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<div class="title">theory_array.cpp</div> </div>
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<a href="theory__array_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*****************************************************************************/</span><span class="comment"></span>
<a name="l00002"></a>00002 <span class="comment">/*!</span>
<a name="l00003"></a>00003 <span class="comment"> * \file theory_array.cpp</span>
<a name="l00004"></a>00004 <span class="comment"> * </span>
<a name="l00005"></a>00005 <span class="comment"> * Author: Clark Barrett</span>
<a name="l00006"></a>00006 <span class="comment"> * </span>
<a name="l00007"></a>00007 <span class="comment"> * Created: Thu Feb 27 00:38:55 2003</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * <hr></span>
<a name="l00010"></a>00010 <span class="comment"> *</span>
<a name="l00011"></a>00011 <span class="comment"> * License to use, copy, modify, sell and/or distribute this software</span>
<a name="l00012"></a>00012 <span class="comment"> * and its documentation for any purpose is hereby granted without</span>
<a name="l00013"></a>00013 <span class="comment"> * royalty, subject to the terms and conditions defined in the \ref</span>
<a name="l00014"></a>00014 <span class="comment"> * LICENSE file provided with this distribution.</span>
<a name="l00015"></a>00015 <span class="comment"> * </span>
<a name="l00016"></a>00016 <span class="comment"> * <hr></span>
<a name="l00017"></a>00017 <span class="comment"> * </span>
<a name="l00018"></a>00018 <span class="comment"> */</span>
<a name="l00019"></a>00019 <span class="comment">/*****************************************************************************/</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="theory__array_8h.html">theory_array.h</a>"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="theory__bitvector_8h.html">theory_bitvector.h</a>"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="array__proof__rules_8h.html">array_proof_rules.h</a>"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="typecheck__exception_8h.html" title="An exception to be thrown at typecheck error.">typecheck_exception.h</a>"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="parser__exception_8h.html" title="An exception thrown by the parser.">parser_exception.h</a>"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="smtlib__exception_8h.html" title="An exception to be thrown by the smtlib translator.">smtlib_exception.h</a>"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="theory__core_8h.html">theory_core.h</a>"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="command__line__flags_8h.html">command_line_flags.h</a>"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="translator_8h.html" title="An exception to be thrown by the smtlib translator.">translator.h</a>"</span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="keyword">using namespace </span>std;
<a name="l00034"></a>00034 <span class="keyword">using namespace </span>CVC3;
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="comment"></span>
<a name="l00037"></a>00037 <span class="comment">///////////////////////////////////////////////////////////////////////////////</span>
<a name="l00038"></a>00038 <span class="comment"></span><span class="comment">// TheoryArray Public Methods //</span><span class="comment"></span>
<a name="l00039"></a>00039 <span class="comment">///////////////////////////////////////////////////////////////////////////////</span>
<a name="l00040"></a>00040 <span class="comment"></span>
<a name="l00041"></a>00041
<a name="l00042"></a><a class="code" href="classCVC3_1_1TheoryArray.html#a44111caa8fd8cca4ca83df173ceece16">00042</a> TheoryArray::TheoryArray(<a class="code" href="classCVC3_1_1TheoryCore.html" title="This theory handles the built-in logical connectives plus equality. It also handles the registration ...">TheoryCore</a>* core)
<a name="l00043"></a>00043 : <a class="code" href="classCVC3_1_1Theory.html" title="Base class for theories.">Theory</a>(core, <span class="stringliteral">"Arrays"</span>), d_reads(core->getCM()->getCurrentContext()),
<a name="l00044"></a>00044 d_applicationsInModel(core->getFlags()[<span class="stringliteral">"applications"</span>].getBool()),
<a name="l00045"></a>00045 d_liftReadIte(core->getFlags()[<span class="stringliteral">"liftReadIte"</span>].getBool()),
<a name="l00046"></a>00046 d_sharedSubterms(core->getCM()->getCurrentContext()),
<a name="l00047"></a>00047 d_sharedSubtermsList(core->getCM()->getCurrentContext()),
<a name="l00048"></a>00048 d_index(core->getCM()->getCurrentContext(), 0, 0),
<a name="l00049"></a>00049 d_sharedIdx1(core->getCM()->getCurrentContext(), 0, 0),
<a name="l00050"></a>00050 d_sharedIdx2(core->getCM()->getCurrentContext(), 0, 0),
<a name="l00051"></a>00051 d_inCheckSat(0)
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a> = <a class="code" href="classCVC3_1_1TheoryArray.html#a5b53e3f645da3208478edb182e8bcd8e">createProofRules</a>();
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="comment">// Register new local kinds with ExprManager</span>
<a name="l00056"></a>00056 <a class="code" href="classCVC3_1_1Theory.html#abc2e30308c9e1f3cf752cfe8d939df1e" title="Access to ExprManager.">getEM</a>()-><a class="code" href="group__EM__Priv.html#ga2b0c6f8e83135e82ebe084188e390da1" title="Register a new kind.">newKind</a>(<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a8aa48defeac37f699364f71fe54f39ee">ARRAY</a>, <span class="stringliteral">"_ARRAY"</span>, <span class="keyword">true</span>);
<a name="l00057"></a>00057 <a class="code" href="classCVC3_1_1Theory.html#abc2e30308c9e1f3cf752cfe8d939df1e" title="Access to ExprManager.">getEM</a>()-><a class="code" href="group__EM__Priv.html#ga2b0c6f8e83135e82ebe084188e390da1" title="Register a new kind.">newKind</a>(<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781ab012911c4fabb7b8556925a0d61e9c8c">READ</a>, <span class="stringliteral">"_READ"</span>);
<a name="l00058"></a>00058 <a class="code" href="classCVC3_1_1Theory.html#abc2e30308c9e1f3cf752cfe8d939df1e" title="Access to ExprManager.">getEM</a>()-><a class="code" href="group__EM__Priv.html#ga2b0c6f8e83135e82ebe084188e390da1" title="Register a new kind.">newKind</a>(<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a33b0829ff24c1e0d27de00d675267297">WRITE</a>, <span class="stringliteral">"_WRITE"</span>);
<a name="l00059"></a>00059 <a class="code" href="classCVC3_1_1Theory.html#abc2e30308c9e1f3cf752cfe8d939df1e" title="Access to ExprManager.">getEM</a>()-><a class="code" href="group__EM__Priv.html#ga2b0c6f8e83135e82ebe084188e390da1" title="Register a new kind.">newKind</a>(<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a9e6a1f69d18953ab05c21b660abbb0f0">ARRAY_LITERAL</a>, <span class="stringliteral">"_ARRAY_LITERAL"</span>);
<a name="l00060"></a>00060
<a name="l00061"></a>00061 vector<int> kinds;
<a name="l00062"></a>00062 kinds.push_back(<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a8aa48defeac37f699364f71fe54f39ee">ARRAY</a>);
<a name="l00063"></a>00063 kinds.push_back(<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781ab012911c4fabb7b8556925a0d61e9c8c">READ</a>);
<a name="l00064"></a>00064 kinds.push_back(<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a33b0829ff24c1e0d27de00d675267297">WRITE</a>);
<a name="l00065"></a>00065
<a name="l00066"></a>00066 kinds.push_back(<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a9e6a1f69d18953ab05c21b660abbb0f0">ARRAY_LITERAL</a>);
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <a class="code" href="classCVC3_1_1Theory.html#a97a6f8e09f71513da969fa7847346c6f" title="Register a new theory.">registerTheory</a>(<span class="keyword">this</span>, kinds);
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="comment">// Destructor: delete the proof rules class if it's present</span>
<a name="l00073"></a><a class="code" href="classCVC3_1_1TheoryArray.html#a77c7e5234339abec22b66d938624fd96">00073</a> <a class="code" href="classCVC3_1_1TheoryArray.html#a77c7e5234339abec22b66d938624fd96">TheoryArray::~TheoryArray</a>() {
<a name="l00074"></a>00074 <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a> != NULL) <span class="keyword">delete</span> <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>;
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076
<a name="l00077"></a>00077
<a name="l00078"></a><a class="code" href="classCVC3_1_1TheoryArray.html#a7df593d6f121bf88bda064a390d44a7e">00078</a> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1TheoryArray.html#a7df593d6f121bf88bda064a390d44a7e" title="Notify theory of a new shared term.">TheoryArray::addSharedTerm</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e)
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoryArray.html#a8551ccd39df5cbb32ca3911def6f14a2" title="Backtracking database of subterms of shared terms.">d_sharedSubterms</a>.<a class="code" href="classCVC3_1_1CDMap.html#af5f700035db0db798c645e36dd0b31bd">count</a>(e) > 0) <span class="keywordflow">return</span>;
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"arrAddSharedTerm"</span>, <span class="stringliteral">"TheoryArray::addSharedTerm("</span>, e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>(), <span class="stringliteral">")"</span>);
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="comment">// Cache all shared terms</span>
<a name="l00085"></a>00085 <a class="code" href="classCVC3_1_1TheoryArray.html#a8551ccd39df5cbb32ca3911def6f14a2" title="Backtracking database of subterms of shared terms.">d_sharedSubterms</a>[e]=e;
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="comment">// Make sure we get notified if shared term is assigned to something else</span>
<a name="l00088"></a>00088 <span class="comment">// We need this because we only check non-array-normalized (nan) shared terms,</span>
<a name="l00089"></a>00089 <span class="comment">// so if a variable gets set to a nan term, we will need to know about it.</span>
<a name="l00090"></a>00090 e.<a class="code" href="group__ExprPkg.html#ga159d60cb0f32e09df89a395b2680664a" title="Add (e,i) to the notify list of this expression.">addToNotify</a>(<span class="keyword">this</span>, <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>());
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keywordflow">if</span> (<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(e) || (<a class="code" href="namespaceCVC3.html#a970e5543468dfa1fb19e6e256b022370">isRead</a>(e) && <a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(e[0]))) {
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="comment">// Children of shared terms better be shared so we can detect any failure of normalization</span>
<a name="l00095"></a>00095 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>(); ++i) <a class="code" href="classCVC3_1_1TheoryArray.html#a7df593d6f121bf88bda064a390d44a7e" title="Notify theory of a new shared term.">addSharedTerm</a>(e[i]);
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="comment">// Only check writes that are not normalized</span>
<a name="l00098"></a>00098 <span class="keywordflow">if</span> (!<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(e) || e.<a class="code" href="group__ExprPkg.html#gaabb885ae903ae169ed75137653dc2538">notArrayNormalized</a>()) {
<a name="l00099"></a>00099 <span class="comment">// Put in list to check during checkSat</span>
<a name="l00100"></a>00100 <a class="code" href="classCVC3_1_1TheoryArray.html#adf746d89244842c91308cd7fa0c52920" title="Backtracking database of subterms of shared terms.">d_sharedSubtermsList</a>.<a class="code" href="classCVC3_1_1CDList.html#aa1e8d3591c596d1b9c585dec955b519b">push_back</a>(e);
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104
<a name="l00105"></a>00105
<a name="l00106"></a><a class="code" href="classCVC3_1_1TheoryArray.html#a5240f8ce94fcf0baeafaffd1319cc64b">00106</a> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1TheoryArray.html#a5240f8ce94fcf0baeafaffd1319cc64b" title="Assert a new fact to the decision procedure.">TheoryArray::assertFact</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& e)
<a name="l00107"></a>00107 {
<a name="l00108"></a>00108 <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& expr = e.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>();
<a name="l00109"></a>00109 <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"arrAssertFact"</span>, <span class="stringliteral">"TheoryArray::assertFact("</span>, e.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>().<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>(), <span class="stringliteral">")"</span>);
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keywordflow">switch</span> (expr.<a class="code" href="group__ExprPkg.html#gad036a3a3597d590ca6ee694505c6e1cd" title="Get kind of operator (for APPLY Exprs only)">getOpKind</a>()) {
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="keywordflow">case</span> <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba0378ebc895849163b249d0b330257dd6">NOT</a>:
<a name="l00114"></a>00114 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(expr[0].isEq(), <span class="stringliteral">"Unexpected negation"</span>);
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keywordflow">if</span> (<a class="code" href="namespaceCVC3.html#abb990c58eff7370233a56098a732fc46">isArray</a>(<a class="code" href="classCVC3_1_1Theory.html#aa408fe61c3d28f4333b78a3027606bb8" title="Compute (or look up in cache) the base type of e and return the result.">getBaseType</a>(expr[0][0]))) {
<a name="l00117"></a>00117 <span class="comment">// For disequalities between arrays, do the polite thing, and introduce witnesses</span>
<a name="l00118"></a>00118 <a class="code" href="classCVC3_1_1Theory.html#a93856c9af82b2c25c51b3c36bafb71f4" title="Submit a derived fact to the core from a decision procedure.">enqueueFact</a>(<a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#aeae33c2284acb4cdd65e8737afb58227" title="a /= b |- exists i. a[i] /= b[i]">arrayNotEq</a>(e));
<a name="l00119"></a>00119 <span class="keywordflow">break</span>;
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="comment">// We can use the shared term mechanism here:</span>
<a name="l00123"></a>00123 <span class="comment">// In checksat we will ensure that all shared terms are in a normal form</span>
<a name="l00124"></a>00124 <span class="comment">// so if two are known to be equal, we will discover it</span>
<a name="l00125"></a>00125 <a class="code" href="classCVC3_1_1TheoryArray.html#a7df593d6f121bf88bda064a390d44a7e" title="Notify theory of a new shared term.">addSharedTerm</a>(expr[0][0]);
<a name="l00126"></a>00126 <a class="code" href="classCVC3_1_1TheoryArray.html#a7df593d6f121bf88bda064a390d44a7e" title="Notify theory of a new shared term.">addSharedTerm</a>(expr[0][1]);
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keywordflow">break</span>;
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="keywordflow">case</span> <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba9efdc855f3c1477957fb50affec07f8f">EQ</a>:
<a name="l00131"></a>00131 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="classCVC3_1_1Theory.html#a90684d2a97738341c00f8f9c99af7b66" title="Get a pointer to theoryCore.">theoryCore</a>()->inUpdate() ||
<a name="l00132"></a>00132 (<a class="code" href="classCVC3_1_1TheoryArray.html#aa1f0bd2c459e22c2021664c37a6c0491" title="Flag for use in checkSat.">d_inCheckSat</a> > 0) ||
<a name="l00133"></a>00133 !<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(expr[0]), <span class="stringliteral">"Invariant violated"</span>);
<a name="l00134"></a>00134 <span class="keywordflow">break</span>;
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="keywordflow">default</span>:
<a name="l00137"></a>00137 <a class="code" href="debug_8h.html#a2637b2fffa22e3c9fad40cda8fcc3bce" title="If something goes horribly wrong, print a message and abort immediately with exit(1).">FatalAssert</a>(<span class="keyword">false</span>, <span class="stringliteral">"Unexpected case"</span>);
<a name="l00138"></a>00138 <span class="keywordflow">break</span>;
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141
<a name="l00142"></a>00142
<a name="l00143"></a><a class="code" href="theory__array_8cpp.html#ab92ae32ca8e3e1dabe387c0733871f6f">00143</a> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="theory__array_8cpp.html#ab92ae32ca8e3e1dabe387c0733871f6f">findAtom</a>(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> e) {
<a name="l00144"></a>00144 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() != 0, <span class="stringliteral">"Invariant Violated"</span>);
<a name="l00145"></a>00145 <span class="keywordtype">int</span> i;
<a name="l00146"></a>00146 <span class="keywordflow">for</span> (i = 0; i < e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>(); ++i) {
<a name="l00147"></a>00147 <span class="keywordflow">if</span> (!e[i].isAtomic()) <span class="keywordflow">break</span>;
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149 <span class="keywordflow">if</span> (e[i].isAbsAtomicFormula()) <span class="keywordflow">return</span> e[i];
<a name="l00150"></a>00150 <span class="keywordflow">return</span> <a class="code" href="theory__array_8cpp.html#ab92ae32ca8e3e1dabe387c0733871f6f">findAtom</a>(e[i]);
<a name="l00151"></a>00151 }
<a name="l00152"></a>00152
<a name="l00153"></a>00153
<a name="l00154"></a><a class="code" href="classCVC3_1_1TheoryArray.html#a87386ed95b18c84a1736d44fc53f3382">00154</a> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1TheoryArray.html#a87386ed95b18c84a1736d44fc53f3382" title="Check for satisfiability in the theory.">TheoryArray::checkSat</a>(<span class="keywordtype">bool</span> fullEffort)
<a name="l00155"></a>00155 {
<a name="l00156"></a>00156 <span class="keywordflow">if</span> (fullEffort == <span class="keyword">true</span>) {
<a name="l00157"></a>00157 <span class="comment">// Check that all non-array-normalized shared terms are normalized</span>
<a name="l00158"></a>00158 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm;
<a name="l00159"></a>00159 <span class="keywordflow">for</span> (; <a class="code" href="classCVC3_1_1TheoryArray.html#ad98c8d1d57cb54716b9ee4975c50296d" title="Used in checkSat.">d_index</a> < <a class="code" href="classCVC3_1_1TheoryArray.html#adf746d89244842c91308cd7fa0c52920" title="Backtracking database of subterms of shared terms.">d_sharedSubtermsList</a>.<a class="code" href="classCVC3_1_1CDList.html#adf92d0f391d73e7ac70da57db135af27">size</a>(); <a class="code" href="classCVC3_1_1TheoryArray.html#ad98c8d1d57cb54716b9ee4975c50296d" title="Used in checkSat.">d_index</a> = <a class="code" href="classCVC3_1_1TheoryArray.html#ad98c8d1d57cb54716b9ee4975c50296d" title="Used in checkSat.">d_index</a> + 1) {
<a name="l00160"></a>00160 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> e = <a class="code" href="classCVC3_1_1TheoryArray.html#adf746d89244842c91308cd7fa0c52920" title="Backtracking database of subterms of shared terms.">d_sharedSubtermsList</a>[<a class="code" href="classCVC3_1_1TheoryArray.html#ad98c8d1d57cb54716b9ee4975c50296d" title="Used in checkSat.">d_index</a>];
<a name="l00161"></a>00161
<a name="l00162"></a>00162 <span class="keywordflow">if</span> (<a class="code" href="namespaceCVC3.html#a970e5543468dfa1fb19e6e256b022370">isRead</a>(e)) {
<a name="l00163"></a>00163 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(e[0]), <span class="stringliteral">"Expected read(write)"</span>);
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="comment">// This should be a signature without a find</span>
<a name="l00166"></a>00166 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!e.<a class="code" href="group__ExprPkg.html#ga4dc94c33ae308ff8d9d004f49df8f42b">hasFind</a>(), <span class="stringliteral">"Expected no find"</span>);
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="comment">// If this is no longer a valid signature, we can skip it</span>
<a name="l00169"></a>00169 <span class="keywordflow">if</span> (!e.<a class="code" href="group__ExprPkg.html#gae71c95cf1ca998d57b02a136b379172b">hasRep</a>()) <span class="keywordflow">continue</span>;
<a name="l00170"></a>00170
<a name="l00171"></a>00171 <span class="comment">// Check to see if we know whether indices are equal</span>
<a name="l00172"></a>00172 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> ieq = e[0][1].<a class="code" href="group__ExprPkg.html#gacb48495ca445c895f95d0c3c1ae2070b">eqExpr</a>(e[1]);
<a name="l00173"></a>00173 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> ieqSimp = <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(ieq);
<a name="l00174"></a>00174 <span class="keywordflow">if</span> (!ieqSimp.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>().<a class="code" href="group__ExprPkg.html#ga5c2cee598096c66e80d87490d6505bc4">isBoolConst</a>()) {
<a name="l00175"></a>00175 <span class="comment">// if not, split on equality of indices</span>
<a name="l00176"></a>00176 <span class="comment">// TODO: really tricky optimization: maybe we can avoid this split</span>
<a name="l00177"></a>00177 <span class="comment">// if both then and else are unknown terms?</span>
<a name="l00178"></a>00178 <a class="code" href="classCVC3_1_1Theory.html#a605e960d2442b587046c562723b7f03a" title="Suggest a splitter to the SearchEngine.">addSplitter</a>(ieq);
<a name="l00179"></a>00179 <span class="keywordflow">return</span>;
<a name="l00180"></a>00180 }
<a name="l00181"></a>00181
<a name="l00182"></a>00182 <span class="comment">// Get the representative for the signature</span>
<a name="l00183"></a>00183 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> repEqSig = e.<a class="code" href="group__ExprPkg.html#gaa4b5652980861e593ab8a741b5521779">getRep</a>();
<a name="l00184"></a>00184 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!repEqSig.<a class="code" href="classCVC3_1_1Theorem.html#a16f074e60b9e076187efb478889d2c47">isRefl</a>(), <span class="stringliteral">"Expected non-self rep"</span>);
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="comment">// Apply the read over write rule</span>
<a name="l00187"></a>00187 thm = <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#a7cc5971eef4c841bd3b5c2dce8029b53">rewriteReadWrite</a>(e);
<a name="l00188"></a>00188
<a name="l00189"></a>00189 <span class="comment">// Carefully simplify</span>
<a name="l00190"></a>00190 thm = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm,
<a name="l00191"></a>00191 <a class="code" href="classCVC3_1_1Theory.html#a92e2da5223d7fb620cce85b2813e047f" title="(c_1 == d_1) & ... & (c_n == d_n) ==> op(c_1,...,c_n) == op(d_1,...,d_n)">substitutivityRule</a>(thm.getRHS(), 0, ieqSimp));
<a name="l00192"></a>00192 thm = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, <a class="code" href="classCVC3_1_1Theory.html#a0f2e0c6647ff6282ee2f65116a82e13b" title="Derived rule for rewriting ITE.">rewriteIte</a>(thm.getRHS()));
<a name="l00193"></a>00193
<a name="l00194"></a>00194 <span class="comment">// Derive the new equality and simplify</span>
<a name="l00195"></a>00195 thm = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(repEqSig, thm);
<a name="l00196"></a>00196 thm = <a class="code" href="classCVC3_1_1Theory.html#aeda4c57dfbe357a80a348da9ffa71072" title="e1 AND (e1 IFF e2) ==> e2">iffMP</a>(thm, <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(thm.getExpr()));
<a name="l00197"></a>00197 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newExpr = thm.getExpr();
<a name="l00198"></a>00198 <span class="keywordflow">if</span> (newExpr.<a class="code" href="group__ExprPkg.html#gadf8596df73fa69ff8e6a22b9321f5c34">isTrue</a>()) {
<a name="l00199"></a>00199 <span class="comment">// Fact is already known, continue</span>
<a name="l00200"></a>00200 <span class="keywordflow">continue</span>;
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (newExpr.<a class="code" href="group__ExprPkg.html#ga5fe5158aefab64fd8adda48ecebb98f9" title="An abstract atomic formua is an atomic formula or a quantified formula.">isAbsAtomicFormula</a>()) {
<a name="l00203"></a>00203 <a class="code" href="classCVC3_1_1Theory.html#a93856c9af82b2c25c51b3c36bafb71f4" title="Submit a derived fact to the core from a decision procedure.">enqueueFact</a>(thm);
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205 <span class="keywordflow">else</span> {
<a name="l00206"></a>00206 <span class="comment">// expr is not atomic formula, so pick a splitter that will help make it atomic</span>
<a name="l00207"></a>00207 <a class="code" href="classCVC3_1_1Theory.html#a605e960d2442b587046c562723b7f03a" title="Suggest a splitter to the SearchEngine.">addSplitter</a>(<a class="code" href="theory__array_8cpp.html#ab92ae32ca8e3e1dabe387c0733871f6f">findAtom</a>(newExpr));
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209 <span class="keywordflow">return</span>;
<a name="l00210"></a>00210 }
<a name="l00211"></a>00211
<a name="l00212"></a>00212 <span class="comment">// OK, everything else should be a write</span>
<a name="l00213"></a>00213 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(e), <span class="stringliteral">"Expected Write"</span>);
<a name="l00214"></a>00214 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(e.<a class="code" href="group__ExprPkg.html#gaabb885ae903ae169ed75137653dc2538">notArrayNormalized</a>(),
<a name="l00215"></a>00215 <span class="stringliteral">"Only non-normalized writes expected"</span>);
<a name="l00216"></a>00216
<a name="l00217"></a>00217 <span class="comment">// If write is not its own find, this means that the write</span>
<a name="l00218"></a>00218 <span class="comment">// was normalized to something else already, so it's not relevant</span>
<a name="l00219"></a>00219 <span class="comment">// any more</span>
<a name="l00220"></a>00220 <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1Theory.html#ac59f888b3b3f973580e061ffd803b6bb" title="Return the theorem that e is equal to its find.">find</a>(e).<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>() != e) <span class="keywordflow">continue</span>;
<a name="l00221"></a>00221
<a name="l00222"></a>00222 <span class="comment">// First check for violation of redundantWrite1</span>
<a name="l00223"></a>00223 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> store = e[0];
<a name="l00224"></a>00224 <span class="keywordflow">while</span> (<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(store)) store = store[0];
<a name="l00225"></a>00225 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="classCVC3_1_1Theory.html#a08412b310cb743536f7edd9fccd60e46" title="Return the find of e, or e if it has no find.">findExpr</a>(e[2]) == e[2], <span class="stringliteral">"Expected own find"</span>);
<a name="l00226"></a>00226 thm = <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781ab012911c4fabb7b8556925a0d61e9c8c">READ</a>, store, e[1]));
<a name="l00227"></a>00227 <span class="keywordflow">if</span> (thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>() == e[2]) {
<a name="l00228"></a>00228 thm = <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#ad6a2685b58c198964d3e62b0cd9b7536">rewriteRedundantWrite1</a>(thm, e);
<a name="l00229"></a>00229 }
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="comment">// Then check for violation of redundantWrite2</span>
<a name="l00232"></a>00232 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(e[0]) && e[0][1] > e[1]) {
<a name="l00233"></a>00233 thm = <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#adecec86a93de04d1329f64d7426800d9">interchangeIndices</a>(e);
<a name="l00234"></a>00234 }
<a name="l00235"></a>00235
<a name="l00236"></a>00236 <span class="keywordflow">else</span> {
<a name="l00237"></a>00237 <a class="code" href="debug_8h.html#a2637b2fffa22e3c9fad40cda8fcc3bce" title="If something goes horribly wrong, print a message and abort immediately with exit(1).">FatalAssert</a>(<span class="keyword">false</span>, <span class="stringliteral">"Unexpected expr"</span>);
<a name="l00238"></a>00238 <span class="keywordflow">continue</span>;
<a name="l00239"></a>00239 }
<a name="l00240"></a>00240
<a name="l00241"></a>00241 <span class="comment">// Write needs to be normalized, see what its new normal form is:</span>
<a name="l00242"></a>00242 thm = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>()));
<a name="l00243"></a>00243 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> newExpr = thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();
<a name="l00244"></a>00244
<a name="l00245"></a>00245 <span class="keywordflow">if</span> (newExpr.<a class="code" href="group__ExprPkg.html#ga48a9219339b394280550069ac7b0474f" title="Test if e is atomic.">isAtomic</a>()) {
<a name="l00246"></a>00246 <span class="comment">// If the new normal form is atomic, go ahead and update the normal form directly</span>
<a name="l00247"></a>00247 ++<a class="code" href="classCVC3_1_1TheoryArray.html#aa1f0bd2c459e22c2021664c37a6c0491" title="Flag for use in checkSat.">d_inCheckSat</a>;
<a name="l00248"></a>00248 <a class="code" href="classCVC3_1_1Theory.html#a135cfab97004ee025a7840d72b6c4e1d" title="Handle new equalities (usually asserted through addFact)">assertEqualities</a>(thm);
<a name="l00249"></a>00249 <span class="comment">// To ensure updates are processed and checkSat gets called again</span>
<a name="l00250"></a>00250 <a class="code" href="classCVC3_1_1Theory.html#a93856c9af82b2c25c51b3c36bafb71f4" title="Submit a derived fact to the core from a decision procedure.">enqueueFact</a>(thm);
<a name="l00251"></a>00251 --<a class="code" href="classCVC3_1_1TheoryArray.html#aa1f0bd2c459e22c2021664c37a6c0491" title="Flag for use in checkSat.">d_inCheckSat</a>;
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253 <span class="keywordflow">else</span> {
<a name="l00254"></a>00254 <span class="comment">// normal form is not atomic, so pick a splitter that will help make it atomic</span>
<a name="l00255"></a>00255 <a class="code" href="classCVC3_1_1Theory.html#a605e960d2442b587046c562723b7f03a" title="Suggest a splitter to the SearchEngine.">addSplitter</a>(<a class="code" href="theory__array_8cpp.html#ab92ae32ca8e3e1dabe387c0733871f6f">findAtom</a>(newExpr));
<a name="l00256"></a>00256 }
<a name="l00257"></a>00257 <span class="keywordflow">return</span>;
<a name="l00258"></a>00258 }
<a name="l00259"></a>00259
<a name="l00260"></a>00260 <span class="comment">// All the terms should be normalized now... Ok, lets split on the read</span>
<a name="l00261"></a>00261 <span class="comment">// indices.</span>
<a name="l00262"></a>00262 <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"sharing"</span>, <span class="stringliteral">"checking shared terms, size = "</span>, <a class="code" href="namespaceCVC3.html#af69618103f1f0f2eadada0796a2a940c">int2string</a>(<a class="code" href="classCVC3_1_1TheoryArray.html#acda80f8b90c2a1bdf93b21c06657ad5b" title="Backtracking list of array reads, for building concrete models.">d_reads</a>.<a class="code" href="classCVC3_1_1CDList.html#adf92d0f391d73e7ac70da57db135af27">size</a>()), <span class="stringliteral">""</span>);
<a name="l00263"></a>00263 <span class="comment">// Collect all the arrays and indices of interest</span>
<a name="l00264"></a>00264 <a class="code" href="classCVC3_1_1ExprMap.html">ExprMap< hash_set<Expr></a> > reads_by_array;
<a name="l00265"></a>00265 <a class="code" href="classCVC3_1_1ExprMap.html">ExprMap< hash_set<Expr></a> > const_reads_by_array;
<a name="l00266"></a>00266 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < <a class="code" href="classCVC3_1_1TheoryArray.html#acda80f8b90c2a1bdf93b21c06657ad5b" title="Backtracking list of array reads, for building concrete models.">d_reads</a>.<a class="code" href="classCVC3_1_1CDList.html#adf92d0f391d73e7ac70da57db135af27">size</a>(); ++i) {
<a name="l00267"></a>00267 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> read = <a class="code" href="classCVC3_1_1TheoryArray.html#acda80f8b90c2a1bdf93b21c06657ad5b" title="Backtracking list of array reads, for building concrete models.">d_reads</a>[i];
<a name="l00268"></a>00268 <span class="keywordflow">if</span> (read.<a class="code" href="group__ExprPkg.html#gae281b04465cc1bf24b5797c8b5e9cbb4">getSig</a>().<a class="code" href="classCVC3_1_1Theorem.html#afc6fdb0507eb3669e28d9be5ed0bd333">isNull</a>()) <span class="keywordflow">continue</span>;
<a name="l00269"></a>00269 <span class="keywordflow">if</span>( <a class="code" href="classCVC3_1_1TheoryArray.html#a8551ccd39df5cbb32ca3911def6f14a2" title="Backtracking database of subterms of shared terms.">d_sharedSubterms</a>.<a class="code" href="classCVC3_1_1CDMap.html#a1cadecbd2d6fa614a2f2e9419aa43f33">find</a>(read[1]) == <a class="code" href="classCVC3_1_1TheoryArray.html#a8551ccd39df5cbb32ca3911def6f14a2" title="Backtracking database of subterms of shared terms.">d_sharedSubterms</a>.<a class="code" href="classCVC3_1_1CDMap.html#a2a26c7cc4db12cb17d273db5cfa5a890">end</a>() ) <span class="keywordflow">continue</span>;
<a name="l00270"></a>00270 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> read_array = <a class="code" href="classCVC3_1_1TheoryArray.html#a65788bb10c3773a50889d1f992355a4c">getBaseArray</a>(read[0]);
<a name="l00271"></a>00271 <span class="keywordflow">if</span> (read[1].getKind() != <a class="code" href="namespaceCVC3.html#abab5915bdb6d99fb9960e1e5c037b9fcab517c07f8090ef28822598285c61506d">BVCONST</a>) {
<a name="l00272"></a>00272 <a class="code" href="classHash_1_1hash__set.html">hash_set<Expr></a>& reads = reads_by_array[read_array];
<a name="l00273"></a>00273 reads.<a class="code" href="classHash_1_1hash__set.html#a156c40ba629d5aba7f7cacf4eeab1e2d">insert</a>(read);
<a name="l00274"></a>00274 } <span class="keywordflow">else</span> {
<a name="l00275"></a>00275 <a class="code" href="classHash_1_1hash__set.html">hash_set<Expr></a>& reads = const_reads_by_array[read_array];
<a name="l00276"></a>00276 reads.<a class="code" href="classHash_1_1hash__set.html#a156c40ba629d5aba7f7cacf4eeab1e2d">insert</a>(read);
<a name="l00277"></a>00277 }
<a name="l00278"></a>00278 }
<a name="l00279"></a>00279
<a name="l00280"></a>00280 <a class="code" href="classCVC3_1_1ExprMap.html">ExprMap< hash_set<Expr></a> >::iterator it = reads_by_array.<a class="code" href="classCVC3_1_1ExprMap.html#a3db85401f8535daf4054fde531cd46b1">begin</a>();
<a name="l00281"></a>00281 <a class="code" href="classCVC3_1_1ExprMap.html">ExprMap< hash_set<Expr></a> >::iterator it_end = reads_by_array.<a class="code" href="classCVC3_1_1ExprMap.html#a283ae6c44308cbdda0d82da5a16e52c8">end</a>();
<a name="l00282"></a>00282 <span class="keywordflow">for</span>(; it != it_end; ++ it) {
<a name="l00283"></a>00283 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> array = it->first;
<a name="l00284"></a>00284 <a class="code" href="classHash_1_1hash__set.html">hash_set<Expr></a>& reads_single_array = it->second;
<a name="l00285"></a>00285
<a name="l00286"></a>00286 <a class="code" href="classHash_1_1hash__set.html#a87a125f71dd85de65e662559bd5a66dc">hash_set<Expr>::iterator</a> read1_it = reads_single_array.<a class="code" href="classHash_1_1hash__set.html#a69de75543eb1e9fa3510bb5090ad61a6" title="iterators">begin</a>();
<a name="l00287"></a>00287 <a class="code" href="classHash_1_1hash__set.html#a87a125f71dd85de65e662559bd5a66dc">hash_set<Expr>::iterator</a> read1_end = reads_single_array.<a class="code" href="classHash_1_1hash__set.html#ae3ee82665499970f29a93df9948a5757">end</a>();
<a name="l00288"></a>00288 <span class="keywordflow">for</span> (; read1_it != read1_end; ++ read1_it) {
<a name="l00289"></a>00289 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> read1 = (*read1_it);
<a name="l00290"></a>00290 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> x_k = read1[1];
<a name="l00291"></a>00291 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> read1_find = <a class="code" href="classCVC3_1_1Theory.html#ac59f888b3b3f973580e061ffd803b6bb" title="Return the theorem that e is equal to its find.">find</a>(read1).<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();
<a name="l00292"></a>00292 <span class="comment">// The non-const reads arrays</span>
<a name="l00293"></a>00293 <a class="code" href="classHash_1_1hash__set.html#a87a125f71dd85de65e662559bd5a66dc">hash_set<Expr>::iterator</a> read2_it = reads_single_array.<a class="code" href="classHash_1_1hash__set.html#a69de75543eb1e9fa3510bb5090ad61a6" title="iterators">begin</a>();
<a name="l00294"></a>00294 <span class="keywordflow">for</span> (; read2_it != read1_it; ++ read2_it) {
<a name="l00295"></a>00295 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> read2 = (*read2_it);
<a name="l00296"></a>00296 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> read2_find = <a class="code" href="classCVC3_1_1Theory.html#ac59f888b3b3f973580e061ffd803b6bb" title="Return the theorem that e is equal to its find.">find</a>(read2).<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();
<a name="l00297"></a>00297 <span class="keywordflow">if</span> (read1_find != read2_find) {
<a name="l00298"></a>00298 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> simpl = <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(read1.<a class="code" href="group__ExprPkg.html#gacb48495ca445c895f95d0c3c1ae2070b">eqExpr</a>(read2));
<a name="l00299"></a>00299 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> y_k = read2[1];
<a name="l00300"></a>00300 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> eq = x_k.<a class="code" href="group__ExprPkg.html#gacb48495ca445c895f95d0c3c1ae2070b">eqExpr</a>(y_k);
<a name="l00301"></a>00301 <span class="keywordflow">if</span>( !<a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(eq).getRHS().isBoolConst() ) {
<a name="l00302"></a>00302 <span class="keywordflow">if</span> (simpl.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>().<a class="code" href="group__ExprPkg.html#ga6173f64b22cba76472cd0c814bbf6dae">isFalse</a>()) {
<a name="l00303"></a>00303 <a class="code" href="classCVC3_1_1Theory.html#a93856c9af82b2c25c51b3c36bafb71f4" title="Submit a derived fact to the core from a decision procedure.">enqueueFact</a>(<a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#ae9a9b93c9d3eb87eab3d17c007d4578f">propagateIndexDiseq</a>(simpl));
<a name="l00304"></a>00304 } <span class="keywordflow">else</span> {
<a name="l00305"></a>00305 <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"sharing"</span>, <span class="stringliteral">"from "</span> + read2.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>(), <span class="stringliteral">"with find = "</span>, <a class="code" href="classCVC3_1_1Theory.html#ac59f888b3b3f973580e061ffd803b6bb" title="Return the theorem that e is equal to its find.">find</a>(read2).<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>());
<a name="l00306"></a>00306 <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"sharing"</span>, <span class="stringliteral">"from "</span> + read1.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>(), <span class="stringliteral">"with find = "</span>, <a class="code" href="classCVC3_1_1Theory.html#ac59f888b3b3f973580e061ffd803b6bb" title="Return the theorem that e is equal to its find.">find</a>(read1).<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>());
<a name="l00307"></a>00307 <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"sharing"</span>, <span class="stringliteral">"splitting "</span> + y_k.toString(), <span class="stringliteral">" and "</span>, x_k.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l00308"></a>00308 <a class="code" href="classCVC3_1_1Theory.html#a605e960d2442b587046c562723b7f03a" title="Suggest a splitter to the SearchEngine.">addSplitter</a>(eq);
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310 }
<a name="l00311"></a>00311 }
<a name="l00312"></a>00312 }
<a name="l00313"></a>00313 <span class="comment">// The const reads arrays</span>
<a name="l00314"></a>00314 <a class="code" href="classHash_1_1hash__set.html">hash_set<Expr></a>& const_reads_single_array = const_reads_by_array[array];
<a name="l00315"></a>00315 read2_it = const_reads_single_array.<a class="code" href="classHash_1_1hash__set.html#a69de75543eb1e9fa3510bb5090ad61a6" title="iterators">begin</a>();
<a name="l00316"></a>00316 <a class="code" href="classHash_1_1hash__set.html#a87a125f71dd85de65e662559bd5a66dc">hash_set<Expr>::iterator</a> read2_it_end = const_reads_single_array.<a class="code" href="classHash_1_1hash__set.html#ae3ee82665499970f29a93df9948a5757">end</a>();
<a name="l00317"></a>00317 <span class="keywordflow">for</span> (; read2_it != read2_it_end; ++ read2_it) {
<a name="l00318"></a>00318 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> read2 = (*read2_it);
<a name="l00319"></a>00319 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> read2_find = <a class="code" href="classCVC3_1_1Theory.html#ac59f888b3b3f973580e061ffd803b6bb" title="Return the theorem that e is equal to its find.">find</a>(read2).<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();
<a name="l00320"></a>00320 <span class="keywordflow">if</span> (read1_find != read2_find) {
<a name="l00321"></a>00321 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> simpl = <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(read1.<a class="code" href="group__ExprPkg.html#gacb48495ca445c895f95d0c3c1ae2070b">eqExpr</a>(read2));
<a name="l00322"></a>00322 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> y_k = read2[1];
<a name="l00323"></a>00323 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> eq = x_k.<a class="code" href="group__ExprPkg.html#gacb48495ca445c895f95d0c3c1ae2070b">eqExpr</a>(y_k);
<a name="l00324"></a>00324 <span class="keywordflow">if</span>( !<a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(eq).getRHS().isBoolConst() ) {
<a name="l00325"></a>00325 <span class="keywordflow">if</span> (simpl.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>().<a class="code" href="group__ExprPkg.html#ga6173f64b22cba76472cd0c814bbf6dae">isFalse</a>()) {
<a name="l00326"></a>00326 <a class="code" href="classCVC3_1_1Theory.html#a93856c9af82b2c25c51b3c36bafb71f4" title="Submit a derived fact to the core from a decision procedure.">enqueueFact</a>(<a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#ae9a9b93c9d3eb87eab3d17c007d4578f">propagateIndexDiseq</a>(simpl));
<a name="l00327"></a>00327 } <span class="keywordflow">else</span> {
<a name="l00328"></a>00328 <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"sharing"</span>, <span class="stringliteral">"from "</span> + read2.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>(), <span class="stringliteral">"with find = "</span>, <a class="code" href="classCVC3_1_1Theory.html#ac59f888b3b3f973580e061ffd803b6bb" title="Return the theorem that e is equal to its find.">find</a>(read2).<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>());
<a name="l00329"></a>00329 <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"sharing"</span>, <span class="stringliteral">"from "</span> + read1.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>(), <span class="stringliteral">"with find = "</span>, <a class="code" href="classCVC3_1_1Theory.html#ac59f888b3b3f973580e061ffd803b6bb" title="Return the theorem that e is equal to its find.">find</a>(read1).<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>());
<a name="l00330"></a>00330 <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"sharing"</span>, <span class="stringliteral">"splitting "</span> + y_k.toString(), <span class="stringliteral">" and "</span>, x_k.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l00331"></a>00331 <a class="code" href="classCVC3_1_1Theory.html#a605e960d2442b587046c562723b7f03a" title="Suggest a splitter to the SearchEngine.">addSplitter</a>(eq);
<a name="l00332"></a>00332 }
<a name="l00333"></a>00333 }
<a name="l00334"></a>00334 }
<a name="l00335"></a>00335 }
<a name="l00336"></a>00336 }
<a name="l00337"></a>00337 }
<a name="l00338"></a>00338 <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"sharing"</span>, <span class="stringliteral">"checking shared terms, done"</span>, <a class="code" href="namespaceCVC3.html#af69618103f1f0f2eadada0796a2a940c">int2string</a>(<a class="code" href="classCVC3_1_1TheoryArray.html#acda80f8b90c2a1bdf93b21c06657ad5b" title="Backtracking list of array reads, for building concrete models.">d_reads</a>.<a class="code" href="classCVC3_1_1CDList.html#adf92d0f391d73e7ac70da57db135af27">size</a>()), <span class="stringliteral">""</span>);
<a name="l00339"></a>00339 }
<a name="l00340"></a>00340 }
<a name="l00341"></a>00341
<a name="l00342"></a>00342
<a name="l00343"></a>00343 <span class="comment">// w(...,i,v1,...,) => w(......,i,v1')</span>
<a name="l00344"></a>00344 <span class="comment">// Returns Null Theorem if index does not appear</span>
<a name="l00345"></a><a class="code" href="classCVC3_1_1TheoryArray.html#ab10760b908e3a9d94324c3aafb28b2f9">00345</a> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> <a class="code" href="classCVC3_1_1TheoryArray.html#ab10760b908e3a9d94324c3aafb28b2f9" title="Derived rule.">TheoryArray::pullIndex</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& index)
<a name="l00346"></a>00346 {
<a name="l00347"></a>00347 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(e), <span class="stringliteral">"Expected write"</span>);
<a name="l00348"></a>00348
<a name="l00349"></a>00349 <span class="keywordflow">if</span> (e[1] == index) <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#af860f5d5e01423628c97c399606916ff" title="==> a == a">reflexivityRule</a>(e);
<a name="l00350"></a>00350
<a name="l00351"></a>00351 <span class="comment">// Index does not appear</span>
<a name="l00352"></a>00352 <span class="keywordflow">if</span> (!<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(e[0])) <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>();
<a name="l00353"></a>00353
<a name="l00354"></a>00354 <span class="comment">// Index is at next nesting level</span>
<a name="l00355"></a>00355 <span class="keywordflow">if</span> (e[0][1] == index) {
<a name="l00356"></a>00356 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#adecec86a93de04d1329f64d7426800d9">interchangeIndices</a>(e);
<a name="l00357"></a>00357 }
<a name="l00358"></a>00358
<a name="l00359"></a>00359 <span class="comment">// Index is (possibly) at deeper nesting level</span>
<a name="l00360"></a>00360 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm = <a class="code" href="classCVC3_1_1TheoryArray.html#ab10760b908e3a9d94324c3aafb28b2f9" title="Derived rule.">pullIndex</a>(e[0], index);
<a name="l00361"></a>00361 <span class="keywordflow">if</span> (thm.<a class="code" href="classCVC3_1_1Theorem.html#afc6fdb0507eb3669e28d9be5ed0bd333">isNull</a>()) <span class="keywordflow">return</span> thm;
<a name="l00362"></a>00362 thm = <a class="code" href="classCVC3_1_1Theory.html#a92e2da5223d7fb620cce85b2813e047f" title="(c_1 == d_1) & ... & (c_n == d_n) ==> op(c_1,...,c_n) == op(d_1,...,d_n)">substitutivityRule</a>(e, 0, thm);
<a name="l00363"></a>00363 thm = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#adecec86a93de04d1329f64d7426800d9">interchangeIndices</a>(thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>()));
<a name="l00364"></a>00364 <span class="keywordflow">return</span> thm;
<a name="l00365"></a>00365 }
<a name="l00366"></a>00366
<a name="l00367"></a>00367
<a name="l00368"></a><a class="code" href="classCVC3_1_1TheoryArray.html#ad26e3958bc32f28030d57c9b8415d69f">00368</a> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> <a class="code" href="classCVC3_1_1TheoryArray.html#ad26e3958bc32f28030d57c9b8415d69f" title="Theory-specific rewrite rules.">TheoryArray::rewrite</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e)
<a name="l00369"></a>00369 {
<a name="l00370"></a>00370 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm;
<a name="l00371"></a>00371 <span class="keywordflow">switch</span> (e.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>()) {
<a name="l00372"></a>00372 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781ab012911c4fabb7b8556925a0d61e9c8c">READ</a>: {
<a name="l00373"></a>00373 <span class="keywordflow">switch</span>(e[0].getKind()) {
<a name="l00374"></a>00374 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a33b0829ff24c1e0d27de00d675267297">WRITE</a>:
<a name="l00375"></a>00375 thm = <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#a7cc5971eef4c841bd3b5c2dce8029b53">rewriteReadWrite</a>(e);
<a name="l00376"></a>00376 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>()));
<a name="l00377"></a>00377 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a9e6a1f69d18953ab05c21b660abbb0f0">ARRAY_LITERAL</a>: {
<a name="l00378"></a>00378 <a class="code" href="debug_8h.html#a600cb2d68efe7cc413cccbb5714c7016">IF_DEBUG</a>(debugger.counter(<span class="stringliteral">"Read array literals"</span>)++;)
<a name="l00379"></a>00379 thm = <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#aa5e52ae0cc9df232b4304421d0ed5e3c" title="Beta reduction of array literal: |- (array x. f(x))[arg] = f(arg)">readArrayLiteral</a>(e);
<a name="l00380"></a>00380 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>()));
<a name="l00381"></a>00381 }
<a name="l00382"></a>00382 <span class="keywordflow">case</span> <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba3a4cfaf3eae8eac1dc2fd27d9f0994dc">ITE</a>: {
<a name="l00383"></a>00383 <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoryArray.html#aed11c0ba6189b14a7fd68b44ff444563" title="Flag to lift ite's over reads.">d_liftReadIte</a>) {
<a name="l00384"></a>00384 thm = <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#a3fbe2484ae8a80bee72b432e26cfed6e" title="Lift ite over read.">liftReadIte</a>(e);
<a name="l00385"></a>00385 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>()));
<a name="l00386"></a>00386 }
<a name="l00387"></a>00387 e.<a class="code" href="group__ExprPkg.html#ga06284723527dbaa4784949f63f586877">setRewriteNormal</a>();
<a name="l00388"></a>00388 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#af860f5d5e01423628c97c399606916ff" title="==> a == a">reflexivityRule</a>(e);
<a name="l00389"></a>00389 }
<a name="l00390"></a>00390 <span class="keywordflow">default</span>: {
<a name="l00391"></a>00391 <span class="keywordflow">break</span>;
<a name="l00392"></a>00392 }
<a name="l00393"></a>00393 }
<a name="l00394"></a>00394 <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& rep = e.<a class="code" href="group__ExprPkg.html#gaa4b5652980861e593ab8a741b5521779">getRep</a>();
<a name="l00395"></a>00395 <span class="keywordflow">if</span> (rep.<a class="code" href="classCVC3_1_1Theorem.html#afc6fdb0507eb3669e28d9be5ed0bd333">isNull</a>()) <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#af860f5d5e01423628c97c399606916ff" title="==> a == a">reflexivityRule</a>(e);
<a name="l00396"></a>00396 <span class="keywordflow">else</span> <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#a7440711981ac1bba2bed7476c0fa4e0b" title="a1 == a2 ==> a2 == a1">symmetryRule</a>(rep);
<a name="l00397"></a>00397 }
<a name="l00398"></a>00398 <span class="keywordflow">case</span> <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba9efdc855f3c1477957fb50affec07f8f">EQ</a>:
<a name="l00399"></a>00399 <span class="comment">// if (e[0].isAtomic() && e[1].isAtomic() && isWrite(e[0])) {</span>
<a name="l00400"></a>00400 <span class="keywordflow">if</span> (<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(e[0])) {
<a name="l00401"></a>00401 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceMiniSat.html#ad93cb56673487974071ed3b75bf4ea83">left</a> = e[0], <a class="code" href="namespaceMiniSat.html#a82558b7a36c52f5d3211d5d14bed99d4">right</a> = e[1];
<a name="l00402"></a>00402 <span class="keywordtype">int</span> leftWrites = 1, rightWrites = 0;
<a name="l00403"></a>00403
<a name="l00404"></a>00404 <span class="comment">// Count nested writes</span>
<a name="l00405"></a>00405 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> e1 = left[0];
<a name="l00406"></a>00406 <span class="keywordflow">while</span> (<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(e1)) { leftWrites++; e1 = e1[0]; }
<a name="l00407"></a>00407
<a name="l00408"></a>00408 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> e2 = <a class="code" href="namespaceMiniSat.html#a82558b7a36c52f5d3211d5d14bed99d4">right</a>;
<a name="l00409"></a>00409 <span class="keywordflow">while</span> (<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(e2)) { rightWrites++; e2 = e2[0]; }
<a name="l00410"></a>00410
<a name="l00411"></a>00411 <span class="keywordflow">if</span> (rightWrites == 0) {
<a name="l00412"></a>00412 <span class="keywordflow">if</span> (e1 == e2) {
<a name="l00413"></a>00413 thm = <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#a972bcffba3fec45e0407b21eb337cc36">rewriteSameStore</a>(e, leftWrites);
<a name="l00414"></a>00414 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>()));
<a name="l00415"></a>00415 }
<a name="l00416"></a>00416 <span class="keywordflow">else</span> {
<a name="l00417"></a>00417 e.<a class="code" href="group__ExprPkg.html#ga06284723527dbaa4784949f63f586877">setRewriteNormal</a>();
<a name="l00418"></a>00418 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#af860f5d5e01423628c97c399606916ff" title="==> a == a">reflexivityRule</a>(e);
<a name="l00419"></a>00419 }
<a name="l00420"></a>00420 }
<a name="l00421"></a>00421 <span class="keywordflow">if</span> (leftWrites > rightWrites) {
<a name="l00422"></a>00422 thm = <a class="code" href="classCVC3_1_1Theory.html#a50802b148e8192178cf790e6c45ddff3" title="Get a pointer to common proof rules.">getCommonRules</a>()-><a class="code" href="classCVC3_1_1CommonProofRules.html#a338cafc978d9b6a447e8d58af42d7e5b">rewriteUsingSymmetry</a>(e);
<a name="l00423"></a>00423 thm = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#a7bd90a2d883b5a0e9de8de61ae495be2">rewriteWriteWrite</a>(thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>()));
<a name="l00424"></a>00424 }
<a name="l00425"></a>00425 <span class="keywordflow">else</span> thm = <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#a7bd90a2d883b5a0e9de8de61ae495be2">rewriteWriteWrite</a>(e);
<a name="l00426"></a>00426 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>()));
<a name="l00427"></a>00427 }
<a name="l00428"></a>00428 e.<a class="code" href="group__ExprPkg.html#ga06284723527dbaa4784949f63f586877">setRewriteNormal</a>();
<a name="l00429"></a>00429 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#af860f5d5e01423628c97c399606916ff" title="==> a == a">reflexivityRule</a>(e);
<a name="l00430"></a>00430 <span class="keywordflow">case</span> <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba0378ebc895849163b249d0b330257dd6">NOT</a>:
<a name="l00431"></a>00431 e.<a class="code" href="group__ExprPkg.html#ga06284723527dbaa4784949f63f586877">setRewriteNormal</a>();
<a name="l00432"></a>00432 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#af860f5d5e01423628c97c399606916ff" title="==> a == a">reflexivityRule</a>(e);
<a name="l00433"></a>00433 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a33b0829ff24c1e0d27de00d675267297">WRITE</a>: {
<a name="l00434"></a>00434 <span class="comment">// if (!e.isAtomic()) {</span>
<a name="l00435"></a>00435 <span class="comment">// e.setRewriteNormal();</span>
<a name="l00436"></a>00436 <span class="comment">// return reflexivityRule(e);</span>
<a name="l00437"></a>00437 <span class="comment">// }</span>
<a name="l00438"></a>00438 <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& store = e[0];
<a name="l00439"></a>00439 <span class="comment">// Enabling this slows stuff down a lot</span>
<a name="l00440"></a>00440 <span class="keywordflow">if</span> (!<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(store)) {
<a name="l00441"></a>00441 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="classCVC3_1_1Theory.html#a08412b310cb743536f7edd9fccd60e46" title="Return the find of e, or e if it has no find.">findExpr</a>(e[2]) == e[2], <span class="stringliteral">"Expected own find"</span>);
<a name="l00442"></a>00442 <span class="keywordflow">if</span> (<a class="code" href="namespaceCVC3.html#a970e5543468dfa1fb19e6e256b022370">isRead</a>(e[2]) && e[2][0] == store && e[2][1] == e[1]) {
<a name="l00443"></a>00443 thm = <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#ad6a2685b58c198964d3e62b0cd9b7536">rewriteRedundantWrite1</a>(<a class="code" href="classCVC3_1_1Theory.html#af860f5d5e01423628c97c399606916ff" title="==> a == a">reflexivityRule</a>(e[2]), e);
<a name="l00444"></a>00444 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>()));
<a name="l00445"></a>00445 }
<a name="l00446"></a>00446 e.<a class="code" href="group__ExprPkg.html#ga06284723527dbaa4784949f63f586877">setRewriteNormal</a>();
<a name="l00447"></a>00447 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#af860f5d5e01423628c97c399606916ff" title="==> a == a">reflexivityRule</a>(e);
<a name="l00448"></a>00448 }
<a name="l00449"></a>00449 <span class="keywordflow">else</span> {
<a name="l00450"></a>00450 <span class="comment">// if (isWrite(store)) {</span>
<a name="l00451"></a>00451 thm = <a class="code" href="classCVC3_1_1TheoryArray.html#ab10760b908e3a9d94324c3aafb28b2f9" title="Derived rule.">pullIndex</a>(store,e[1]);
<a name="l00452"></a>00452 <span class="keywordflow">if</span> (!thm.<a class="code" href="classCVC3_1_1Theorem.html#afc6fdb0507eb3669e28d9be5ed0bd333">isNull</a>()) {
<a name="l00453"></a>00453 <span class="keywordflow">if</span> (thm.<a class="code" href="classCVC3_1_1Theorem.html#a16f074e60b9e076187efb478889d2c47">isRefl</a>()) {
<a name="l00454"></a>00454 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#a528af9ac1b1f4d43bbf14cad57f0cad7">rewriteRedundantWrite2</a>(e);
<a name="l00455"></a>00455 }
<a name="l00456"></a>00456 thm = <a class="code" href="classCVC3_1_1Theory.html#a92e2da5223d7fb620cce85b2813e047f" title="(c_1 == d_1) & ... & (c_n == d_n) ==> op(c_1,...,c_n) == op(d_1,...,d_n)">substitutivityRule</a>(e,0,thm);
<a name="l00457"></a>00457 thm = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm,
<a name="l00458"></a>00458 <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#a528af9ac1b1f4d43bbf14cad57f0cad7">rewriteRedundantWrite2</a>(thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>()));
<a name="l00459"></a>00459 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>()));
<a name="l00460"></a>00460 }
<a name="l00461"></a>00461 <span class="keywordflow">if</span> (store[1] > e[1]) {
<a name="l00462"></a>00462 <span class="comment">// Only do this rewrite if the result is atomic</span>
<a name="l00463"></a>00463 <span class="comment">// (avoid too many ITEs)</span>
<a name="l00464"></a>00464 thm = <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#adecec86a93de04d1329f64d7426800d9">interchangeIndices</a>(e);
<a name="l00465"></a>00465 thm = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>()));
<a name="l00466"></a>00466 <span class="keywordflow">if</span> (thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>().<a class="code" href="group__ExprPkg.html#ga48a9219339b394280550069ac7b0474f" title="Test if e is atomic.">isAtomic</a>()) {
<a name="l00467"></a>00467 <span class="keywordflow">return</span> thm;
<a name="l00468"></a>00468 }
<a name="l00469"></a>00469 <span class="comment">// not normal because might be possible to interchange later</span>
<a name="l00470"></a>00470 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#af860f5d5e01423628c97c399606916ff" title="==> a == a">reflexivityRule</a>(e);
<a name="l00471"></a>00471 }
<a name="l00472"></a>00472 }
<a name="l00473"></a>00473 e.<a class="code" href="group__ExprPkg.html#ga06284723527dbaa4784949f63f586877">setRewriteNormal</a>();
<a name="l00474"></a>00474 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#af860f5d5e01423628c97c399606916ff" title="==> a == a">reflexivityRule</a>(e);
<a name="l00475"></a>00475 }
<a name="l00476"></a>00476 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a9e6a1f69d18953ab05c21b660abbb0f0">ARRAY_LITERAL</a>:
<a name="l00477"></a>00477 e.<a class="code" href="group__ExprPkg.html#ga06284723527dbaa4784949f63f586877">setRewriteNormal</a>();
<a name="l00478"></a>00478 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#af860f5d5e01423628c97c399606916ff" title="==> a == a">reflexivityRule</a>(e);
<a name="l00479"></a>00479 <span class="keywordflow">default</span>:
<a name="l00480"></a>00480 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(e.<a class="code" href="group__ExprPkg.html#ga55b6a203b4375e64598306596851d9ae">isVar</a>() && <a class="code" href="namespaceCVC3.html#abb990c58eff7370233a56098a732fc46">isArray</a>(<a class="code" href="classCVC3_1_1Theory.html#aa408fe61c3d28f4333b78a3027606bb8" title="Compute (or look up in cache) the base type of e and return the result.">getBaseType</a>(e)),
<a name="l00481"></a>00481 <span class="stringliteral">"Unexpected default case"</span>);
<a name="l00482"></a>00482 e.<a class="code" href="group__ExprPkg.html#ga06284723527dbaa4784949f63f586877">setRewriteNormal</a>();
<a name="l00483"></a>00483 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#af860f5d5e01423628c97c399606916ff" title="==> a == a">reflexivityRule</a>(e);
<a name="l00484"></a>00484 }
<a name="l00485"></a>00485 <a class="code" href="debug_8h.html#a2637b2fffa22e3c9fad40cda8fcc3bce" title="If something goes horribly wrong, print a message and abort immediately with exit(1).">FatalAssert</a>(<span class="keyword">false</span>, <span class="stringliteral">"should be unreachable"</span>);
<a name="l00486"></a>00486 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#af860f5d5e01423628c97c399606916ff" title="==> a == a">reflexivityRule</a>(e);
<a name="l00487"></a>00487 }
<a name="l00488"></a>00488
<a name="l00489"></a>00489
<a name="l00490"></a><a class="code" href="classCVC3_1_1TheoryArray.html#a51796298980c0587b567b2af7b36921a">00490</a> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1TheoryArray.html#a51796298980c0587b567b2af7b36921a" title="Set up the term e for call-backs when e or its children change.">TheoryArray::setup</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e)
<a name="l00491"></a>00491 {
<a name="l00492"></a>00492 <span class="keywordflow">if</span> (e.<a class="code" href="group__ExprPkg.html#ga1a898858ccadce833df5a294c7740f11">isNot</a>() || e.<a class="code" href="group__ExprPkg.html#gac4af2026c180da0f18d66ac616f61f3a">isEq</a>()) <span class="keywordflow">return</span>;
<a name="l00493"></a>00493 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(e.<a class="code" href="group__ExprPkg.html#ga48a9219339b394280550069ac7b0474f" title="Test if e is atomic.">isAtomic</a>(), <span class="stringliteral">"e should be atomic"</span>);
<a name="l00494"></a>00494 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = 0; k < e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>(); ++k) {
<a name="l00495"></a>00495 e[k].<a class="code" href="group__ExprPkg.html#ga159d60cb0f32e09df89a395b2680664a" title="Add (e,i) to the notify list of this expression.">addToNotify</a>(<span class="keyword">this</span>, e);
<a name="l00496"></a>00496 }
<a name="l00497"></a>00497 <span class="keywordflow">if</span> (<a class="code" href="namespaceCVC3.html#a970e5543468dfa1fb19e6e256b022370">isRead</a>(e)) {
<a name="l00498"></a>00498 <span class="keywordflow">if</span> (e.<a class="code" href="group__ExprPkg.html#ga42929221eb172250697b72c28af6de07" title="Get the type. Recursively compute if necessary.">getType</a>().<a class="code" href="classCVC3_1_1Type.html#a79df1e87774d07af2e0f1e63ef9a5898" title="Return cardinality of type.">card</a>() != <a class="code" href="namespaceCVC3.html#af969e724f8b7016909f5804e8cea3e54ad4a45eb68b0ebb32f0c805f6d2abf6d6">CARD_INFINITE</a>) {
<a name="l00499"></a>00499 <a class="code" href="classCVC3_1_1TheoryArray.html#a7df593d6f121bf88bda064a390d44a7e" title="Notify theory of a new shared term.">addSharedTerm</a>(e);
<a name="l00500"></a>00500 <a class="code" href="classCVC3_1_1Theory.html#a01fa8047ed1f649dc98831cb536187e4" title="Return the theory associated with a kind.">theoryOf</a>(e.<a class="code" href="group__ExprPkg.html#ga42929221eb172250697b72c28af6de07" title="Get the type. Recursively compute if necessary.">getType</a>())-><a class="code" href="classCVC3_1_1TheoryArray.html#a7df593d6f121bf88bda064a390d44a7e" title="Notify theory of a new shared term.">addSharedTerm</a>(e);
<a name="l00501"></a>00501 }
<a name="l00502"></a>00502 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm = <a class="code" href="classCVC3_1_1Theory.html#af860f5d5e01423628c97c399606916ff" title="==> a == a">reflexivityRule</a>(e);
<a name="l00503"></a>00503 e.<a class="code" href="group__ExprPkg.html#gaaaba7ddaccd58bd37e3259fe9b949645">setSig</a>(thm);
<a name="l00504"></a>00504 e.<a class="code" href="group__ExprPkg.html#ga7b85677789c5a03e1a5dc2c93f0b6288">setRep</a>(thm);
<a name="l00505"></a>00505 e.<a class="code" href="group__ExprPkg.html#ga243c5d26015ee1fd946f8ccce5f83568">setUsesCC</a>();
<a name="l00506"></a>00506 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(e[0]), <span class="stringliteral">"expected no read of writes"</span>);
<a name="l00507"></a>00507 <span class="comment">// Record the read operator for concrete models</span>
<a name="l00508"></a>00508 <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"model"</span>, <span class="stringliteral">"TheoryArray: add array read "</span>, e, <span class="stringliteral">""</span>);
<a name="l00509"></a>00509 <a class="code" href="classCVC3_1_1TheoryArray.html#acda80f8b90c2a1bdf93b21c06657ad5b" title="Backtracking list of array reads, for building concrete models.">d_reads</a>.<a class="code" href="classCVC3_1_1CDList.html#aa1e8d3591c596d1b9c585dec955b519b">push_back</a>(e);
<a name="l00510"></a>00510 }
<a name="l00511"></a>00511 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(e)) {
<a name="l00512"></a>00512 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> store = e[0];
<a name="l00513"></a>00513
<a name="l00514"></a>00514 <span class="keywordflow">if</span> (<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(store)) {
<a name="l00515"></a>00515 <span class="comment">// check interchangeIndices invariant</span>
<a name="l00516"></a>00516 <span class="keywordflow">if</span> (store[1] > e[1]) {
<a name="l00517"></a>00517 e.<a class="code" href="group__ExprPkg.html#gaa09f6f3f2938359d472a0c099ff0c634">setNotArrayNormalized</a>();
<a name="l00518"></a>00518 <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoryArray.html#a8551ccd39df5cbb32ca3911def6f14a2" title="Backtracking database of subterms of shared terms.">d_sharedSubterms</a>.<a class="code" href="classCVC3_1_1CDMap.html#af5f700035db0db798c645e36dd0b31bd">count</a>(e) > 0) {
<a name="l00519"></a>00519 <span class="comment">// write was identified as a shared term before it was setup: add it to list to check</span>
<a name="l00520"></a>00520 <a class="code" href="classCVC3_1_1TheoryArray.html#adf746d89244842c91308cd7fa0c52920" title="Backtracking database of subterms of shared terms.">d_sharedSubtermsList</a>.<a class="code" href="classCVC3_1_1CDList.html#aa1e8d3591c596d1b9c585dec955b519b">push_back</a>(e);
<a name="l00521"></a>00521 }
<a name="l00522"></a>00522 }
<a name="l00523"></a>00523 <span class="comment">// redundantWrite2 invariant should hold</span>
<a name="l00524"></a>00524 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="classCVC3_1_1TheoryArray.html#ab10760b908e3a9d94324c3aafb28b2f9" title="Derived rule.">pullIndex</a>(store, e[1]).isNull(),
<a name="l00525"></a>00525 <span class="stringliteral">"Unexpected non-array-normalized term in setup"</span>);
<a name="l00526"></a>00526 }
<a name="l00527"></a>00527
<a name="l00528"></a>00528 <span class="comment">// check redundantWrite1 invariant</span>
<a name="l00529"></a>00529 <span class="comment">// there is a hidden dependency of write(a,i,v) on read(a,i)</span>
<a name="l00530"></a>00530 <span class="keywordflow">while</span> (<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(store)) store = store[0];
<a name="l00531"></a>00531 <span class="comment">// Need to simplify, not just take find: read could be a signature</span>
<a name="l00532"></a>00532 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> r = <a class="code" href="classCVC3_1_1Theory.html#a9d441225b287419426c80a0374d6c6cb" title="Simplify a term e w.r.t. the current context.">simplifyExpr</a>(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781ab012911c4fabb7b8556925a0d61e9c8c">READ</a>, store, e[1]));
<a name="l00533"></a>00533 <a class="code" href="classCVC3_1_1Theory.html#a90684d2a97738341c00f8f9c99af7b66" title="Get a pointer to theoryCore.">theoryCore</a>()-><a class="code" href="classCVC3_1_1TheoryCore.html#afbd6dec08ab7f31031ddc2a97d779bd8" title="Setup additional terms within a theory-specific setup().">setupTerm</a>(r, <span class="keyword">this</span>, <a class="code" href="classCVC3_1_1Theory.html#a90684d2a97738341c00f8f9c99af7b66" title="Get a pointer to theoryCore.">theoryCore</a>()->getTheoremForTerm(e));
<a name="l00534"></a>00534 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(r.<a class="code" href="group__ExprPkg.html#ga48a9219339b394280550069ac7b0474f" title="Test if e is atomic.">isAtomic</a>(), <span class="stringliteral">"Should be atomic"</span>);
<a name="l00535"></a>00535 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="classCVC3_1_1Theory.html#a08412b310cb743536f7edd9fccd60e46" title="Return the find of e, or e if it has no find.">findExpr</a>(e[2]) == e[2], <span class="stringliteral">"Expected own find"</span>);
<a name="l00536"></a>00536 <span class="keywordflow">if</span> (r == e[2] && !e.<a class="code" href="group__ExprPkg.html#gaabb885ae903ae169ed75137653dc2538">notArrayNormalized</a>()) {
<a name="l00537"></a>00537 e.<a class="code" href="group__ExprPkg.html#gaa09f6f3f2938359d472a0c099ff0c634">setNotArrayNormalized</a>();
<a name="l00538"></a>00538 <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoryArray.html#a8551ccd39df5cbb32ca3911def6f14a2" title="Backtracking database of subterms of shared terms.">d_sharedSubterms</a>.<a class="code" href="classCVC3_1_1CDMap.html#af5f700035db0db798c645e36dd0b31bd">count</a>(e) > 0) {
<a name="l00539"></a>00539 <span class="comment">// write was identified as a shared term before it was setup: add it to list to check</span>
<a name="l00540"></a>00540 <a class="code" href="classCVC3_1_1TheoryArray.html#adf746d89244842c91308cd7fa0c52920" title="Backtracking database of subterms of shared terms.">d_sharedSubtermsList</a>.<a class="code" href="classCVC3_1_1CDList.html#aa1e8d3591c596d1b9c585dec955b519b">push_back</a>(e);
<a name="l00541"></a>00541 }
<a name="l00542"></a>00542 }
<a name="l00543"></a>00543 <span class="keywordflow">else</span> {
<a name="l00544"></a>00544 r.<a class="code" href="group__ExprPkg.html#ga159d60cb0f32e09df89a395b2680664a" title="Add (e,i) to the notify list of this expression.">addToNotify</a>(<span class="keyword">this</span>, e);
<a name="l00545"></a>00545 }
<a name="l00546"></a>00546 }
<a name="l00547"></a>00547 }
<a name="l00548"></a>00548
<a name="l00549"></a>00549
<a name="l00550"></a><a class="code" href="classCVC3_1_1TheoryArray.html#a98649fa8384e42c564d2bbae90e45454">00550</a> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1TheoryArray.html#a98649fa8384e42c564d2bbae90e45454" title="Notify a theory of a new equality.">TheoryArray::update</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& e, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& d)
<a name="l00551"></a>00551 {
<a name="l00552"></a>00552 <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1Theory.html#ab85541a91803599b7495f709c72c28c5" title="Check if the current context is inconsistent.">inconsistent</a>()) <span class="keywordflow">return</span>;
<a name="l00553"></a>00553
<a name="l00554"></a>00554 <span class="keywordflow">if</span> (d.<a class="code" href="group__ExprPkg.html#ga0265d1ca42fa59c95aaff3ca675b6504">isNull</a>()) {
<a name="l00555"></a>00555 <span class="comment">// d is a shared term</span>
<a name="l00556"></a>00556 <span class="comment">// we want to mark the new find representative as a shared term too</span>
<a name="l00557"></a>00557 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> lhs = e.<a class="code" href="classCVC3_1_1Theorem.html#a206c04f39fbbcacef2337148675553f4">getLHS</a>();
<a name="l00558"></a>00558 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> rhs = e.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();
<a name="l00559"></a>00559 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="classCVC3_1_1TheoryArray.html#a8551ccd39df5cbb32ca3911def6f14a2" title="Backtracking database of subterms of shared terms.">d_sharedSubterms</a>.<a class="code" href="classCVC3_1_1CDMap.html#a1cadecbd2d6fa614a2f2e9419aa43f33">find</a>(lhs) != <a class="code" href="classCVC3_1_1TheoryArray.html#a8551ccd39df5cbb32ca3911def6f14a2" title="Backtracking database of subterms of shared terms.">d_sharedSubterms</a>.<a class="code" href="classCVC3_1_1CDMap.html#a2a26c7cc4db12cb17d273db5cfa5a890">end</a>(),
<a name="l00560"></a>00560 <span class="stringliteral">"Expected lhs to be shared"</span>);
<a name="l00561"></a>00561 <a class="code" href="classCVC3_1_1CDMap.html">CDMap<Expr,Expr>::iterator</a> it = <a class="code" href="classCVC3_1_1TheoryArray.html#a8551ccd39df5cbb32ca3911def6f14a2" title="Backtracking database of subterms of shared terms.">d_sharedSubterms</a>.<a class="code" href="classCVC3_1_1CDMap.html#a1cadecbd2d6fa614a2f2e9419aa43f33">find</a>(rhs);
<a name="l00562"></a>00562 <span class="keywordflow">if</span> (it == <a class="code" href="classCVC3_1_1TheoryArray.html#a8551ccd39df5cbb32ca3911def6f14a2" title="Backtracking database of subterms of shared terms.">d_sharedSubterms</a>.<a class="code" href="classCVC3_1_1CDMap.html#a2a26c7cc4db12cb17d273db5cfa5a890">end</a>()) {
<a name="l00563"></a>00563 <a class="code" href="classCVC3_1_1TheoryArray.html#a7df593d6f121bf88bda064a390d44a7e" title="Notify theory of a new shared term.">addSharedTerm</a>(rhs);
<a name="l00564"></a>00564 }
<a name="l00565"></a>00565 <span class="keywordflow">return</span>;
<a name="l00566"></a>00566 }
<a name="l00567"></a>00567
<a name="l00568"></a>00568 <span class="keywordtype">int</span> k, ar(d.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>());
<a name="l00569"></a>00569
<a name="l00570"></a>00570 <span class="keywordflow">if</span> (<a class="code" href="namespaceCVC3.html#a970e5543468dfa1fb19e6e256b022370">isRead</a>(d)) {
<a name="l00571"></a>00571 <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& dEQdsig = d.<a class="code" href="group__ExprPkg.html#gae281b04465cc1bf24b5797c8b5e9cbb4">getSig</a>();
<a name="l00572"></a>00572 <span class="keywordflow">if</span> (!dEQdsig.<a class="code" href="classCVC3_1_1Theorem.html#afc6fdb0507eb3669e28d9be5ed0bd333">isNull</a>()) {
<a name="l00573"></a>00573 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> dsig = dEQdsig.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();
<a name="l00574"></a>00574 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm = <a class="code" href="classCVC3_1_1Theory.html#ad6cb45844df7f1b08a53e41e40a362e3" title="Update the children of the term e.">updateHelper</a>(d);
<a name="l00575"></a>00575 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> sigNew = thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();
<a name="l00576"></a>00576 <span class="keywordflow">if</span> (sigNew == dsig) <span class="keywordflow">return</span>;
<a name="l00577"></a>00577 dsig.<a class="code" href="group__ExprPkg.html#ga7b85677789c5a03e1a5dc2c93f0b6288">setRep</a>(<a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>());
<a name="l00578"></a>00578 <span class="keywordflow">if</span> (<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(sigNew[0])) {
<a name="l00579"></a>00579 <span class="comment">// This is the tricky case.</span>
<a name="l00580"></a>00580 <span class="comment">// </span>
<a name="l00581"></a>00581 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm2 = <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#a7cc5971eef4c841bd3b5c2dce8029b53">rewriteReadWrite</a>(sigNew);
<a name="l00582"></a>00582 thm2 = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm2, <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(thm2.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>()));
<a name="l00583"></a>00583 <span class="keywordflow">if</span> (thm2.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>().<a class="code" href="group__ExprPkg.html#ga48a9219339b394280550069ac7b0474f" title="Test if e is atomic.">isAtomic</a>()) {
<a name="l00584"></a>00584 <span class="comment">// If read over write simplifies, go ahead and assert the equality</span>
<a name="l00585"></a>00585 <a class="code" href="classCVC3_1_1Theory.html#a93856c9af82b2c25c51b3c36bafb71f4" title="Submit a derived fact to the core from a decision procedure.">enqueueFact</a>(<a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, thm2));
<a name="l00586"></a>00586 }
<a name="l00587"></a>00587 <span class="keywordflow">else</span> {
<a name="l00588"></a>00588 <span class="comment">// Otherwise, delay processing until checkSat</span>
<a name="l00589"></a>00589 <a class="code" href="classCVC3_1_1TheoryArray.html#a7df593d6f121bf88bda064a390d44a7e" title="Notify theory of a new shared term.">addSharedTerm</a>(sigNew);
<a name="l00590"></a>00590 }
<a name="l00591"></a>00591 <span class="comment">// thm = d_rules->rewriteReadWrite2(sigNew);</span>
<a name="l00592"></a>00592 <span class="comment">// Theorem renameTheorem = renameExpr(d);</span>
<a name="l00593"></a>00593 <span class="comment">// enqueueFact(transitivityRule(symmetryRule(renameTheorem), thm));</span>
<a name="l00594"></a>00594 <span class="comment">// d.setSig(Theorem());</span>
<a name="l00595"></a>00595 <span class="comment">// enqueueFact(thm);</span>
<a name="l00596"></a>00596 <span class="comment">// enqueueFact(renameTheorem);</span>
<a name="l00597"></a>00597 }
<a name="l00598"></a>00598 <span class="comment">// else {</span>
<a name="l00599"></a>00599
<a name="l00600"></a>00600 <span class="comment">// Update the signature in all cases</span>
<a name="l00601"></a>00601 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> repEQsigNew = sigNew.<a class="code" href="group__ExprPkg.html#gaa4b5652980861e593ab8a741b5521779">getRep</a>();
<a name="l00602"></a>00602 <span class="keywordflow">if</span> (!repEQsigNew.<a class="code" href="classCVC3_1_1Theorem.html#afc6fdb0507eb3669e28d9be5ed0bd333">isNull</a>()) {
<a name="l00603"></a>00603 d.<a class="code" href="group__ExprPkg.html#gaaaba7ddaccd58bd37e3259fe9b949645">setSig</a>(<a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>());
<a name="l00604"></a>00604 <a class="code" href="classCVC3_1_1Theory.html#a93856c9af82b2c25c51b3c36bafb71f4" title="Submit a derived fact to the core from a decision procedure.">enqueueFact</a>(<a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(repEQsigNew, <a class="code" href="classCVC3_1_1Theory.html#a7440711981ac1bba2bed7476c0fa4e0b" title="a1 == a2 ==> a2 == a1">symmetryRule</a>(thm)));
<a name="l00605"></a>00605 }
<a name="l00606"></a>00606 <span class="keywordflow">else</span> {
<a name="l00607"></a>00607 <span class="keywordflow">for</span> (k = 0; k < ar; ++k) {
<a name="l00608"></a>00608 <span class="keywordflow">if</span> (sigNew[k] != dsig[k]) {
<a name="l00609"></a>00609 sigNew[k].<a class="code" href="group__ExprPkg.html#ga159d60cb0f32e09df89a395b2680664a" title="Add (e,i) to the notify list of this expression.">addToNotify</a>(<span class="keyword">this</span>, d);
<a name="l00610"></a>00610 }
<a name="l00611"></a>00611 }
<a name="l00612"></a>00612 d.<a class="code" href="group__ExprPkg.html#gaaaba7ddaccd58bd37e3259fe9b949645">setSig</a>(thm);
<a name="l00613"></a>00613 sigNew.<a class="code" href="group__ExprPkg.html#ga7b85677789c5a03e1a5dc2c93f0b6288">setRep</a>(thm);
<a name="l00614"></a>00614 <a class="code" href="classCVC3_1_1Theory.html#abc2e30308c9e1f3cf752cfe8d939df1e" title="Access to ExprManager.">getEM</a>()-><a class="code" href="group__EM__Priv.html#gaba358e1731ad9309e52e64eb9ce60755" title="Invalidate the simplifier's cache tag.">invalidateSimpCache</a>();
<a name="l00615"></a>00615 }
<a name="l00616"></a>00616 <span class="comment">// }</span>
<a name="l00617"></a>00617 }
<a name="l00618"></a>00618 <span class="keywordflow">return</span>;
<a name="l00619"></a>00619 }
<a name="l00620"></a>00620
<a name="l00621"></a>00621 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(d), <span class="stringliteral">"Expected write: d = "</span>+d.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l00622"></a>00622 <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1Theory.html#ac59f888b3b3f973580e061ffd803b6bb" title="Return the theorem that e is equal to its find.">find</a>(d).<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>() != d) <span class="keywordflow">return</span>;
<a name="l00623"></a>00623
<a name="l00624"></a>00624 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm = <a class="code" href="classCVC3_1_1Theory.html#ad6cb45844df7f1b08a53e41e40a362e3" title="Update the children of the term e.">updateHelper</a>(d);
<a name="l00625"></a>00625 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> sigNew = thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();
<a name="l00626"></a>00626
<a name="l00627"></a>00627 <span class="comment">// TODO: better normalization in some cases</span>
<a name="l00628"></a>00628 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> store = sigNew[0];
<a name="l00629"></a>00629 <span class="keywordflow">if</span> (!<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(store)) {
<a name="l00630"></a>00630 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm2 = <a class="code" href="classCVC3_1_1Theory.html#ac59f888b3b3f973580e061ffd803b6bb" title="Return the theorem that e is equal to its find.">find</a>(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781ab012911c4fabb7b8556925a0d61e9c8c">READ</a>, store, sigNew[1]));
<a name="l00631"></a>00631 <span class="keywordflow">if</span> (thm2.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>() == sigNew[2]) {
<a name="l00632"></a>00632 thm = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm,
<a name="l00633"></a>00633 <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#ad6a2685b58c198964d3e62b0cd9b7536">rewriteRedundantWrite1</a>(thm2, sigNew));
<a name="l00634"></a>00634 sigNew = thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();
<a name="l00635"></a>00635 }
<a name="l00636"></a>00636 }
<a name="l00637"></a>00637 <span class="keywordflow">else</span> {
<a name="l00638"></a>00638 <span class="comment">// TODO: this check is expensive, it seems</span>
<a name="l00639"></a>00639 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> thm2 = <a class="code" href="classCVC3_1_1TheoryArray.html#ab10760b908e3a9d94324c3aafb28b2f9" title="Derived rule.">pullIndex</a>(store,sigNew[1]);
<a name="l00640"></a>00640 <span class="keywordflow">if</span> (!thm2.<a class="code" href="classCVC3_1_1Theorem.html#afc6fdb0507eb3669e28d9be5ed0bd333">isNull</a>()) {
<a name="l00641"></a>00641 <span class="keywordflow">if</span> (thm2.<a class="code" href="classCVC3_1_1Theorem.html#a16f074e60b9e076187efb478889d2c47">isRefl</a>()) {
<a name="l00642"></a>00642 thm = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm,
<a name="l00643"></a>00643 <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#a528af9ac1b1f4d43bbf14cad57f0cad7">rewriteRedundantWrite2</a>(sigNew));
<a name="l00644"></a>00644 }
<a name="l00645"></a>00645 <span class="keywordflow">else</span> {
<a name="l00646"></a>00646 thm2 = <a class="code" href="classCVC3_1_1Theory.html#a92e2da5223d7fb620cce85b2813e047f" title="(c_1 == d_1) & ... & (c_n == d_n) ==> op(c_1,...,c_n) == op(d_1,...,d_n)">substitutivityRule</a>(sigNew,0,thm2);
<a name="l00647"></a>00647 thm2 = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm2,
<a name="l00648"></a>00648 <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#a528af9ac1b1f4d43bbf14cad57f0cad7">rewriteRedundantWrite2</a>(thm2.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>()));
<a name="l00649"></a>00649 thm = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, thm2);
<a name="l00650"></a>00650 }
<a name="l00651"></a>00651 sigNew = thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();
<a name="l00652"></a>00652 store = sigNew[0];
<a name="l00653"></a>00653 }
<a name="l00654"></a>00654
<a name="l00655"></a>00655 <span class="keywordflow">if</span> (<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(store) && (store[1] > sigNew[1])) {
<a name="l00656"></a>00656 thm2 = <a class="code" href="classCVC3_1_1TheoryArray.html#a69da5ce6db78128b8798091fdb5bbcf7">d_rules</a>-><a class="code" href="classCVC3_1_1ArrayProofRules.html#adecec86a93de04d1329f64d7426800d9">interchangeIndices</a>(sigNew);
<a name="l00657"></a>00657 thm2 = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm2, <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(thm2.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>()));
<a name="l00658"></a>00658 <span class="comment">// Only update if result is atomic</span>
<a name="l00659"></a>00659 <span class="keywordflow">if</span> (thm2.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>().<a class="code" href="group__ExprPkg.html#ga48a9219339b394280550069ac7b0474f" title="Test if e is atomic.">isAtomic</a>()) {
<a name="l00660"></a>00660 thm = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, thm2);
<a name="l00661"></a>00661 sigNew = thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();
<a name="l00662"></a>00662 <span class="comment">// no need to update store because d == sigNew</span>
<a name="l00663"></a>00663 <span class="comment">// case only happens if sigNew hasn't changed</span>
<a name="l00664"></a>00664 }
<a name="l00665"></a>00665 }
<a name="l00666"></a>00666 }
<a name="l00667"></a>00667
<a name="l00668"></a>00668 <span class="keywordflow">if</span> (d == sigNew) {
<a name="l00669"></a>00669 <span class="comment">// Hidden dependency must have changed</span>
<a name="l00670"></a>00670 <span class="keywordflow">while</span> (<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(store)) store = store[0];
<a name="l00671"></a>00671 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> r = e.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();
<a name="l00672"></a>00672 <span class="keywordflow">if</span> (r == d[2]) {
<a name="l00673"></a>00673 <span class="comment">// no need to update notify list as we are already on list of d[2]</span>
<a name="l00674"></a>00674 <span class="keywordflow">if</span> (!d.<a class="code" href="group__ExprPkg.html#gaabb885ae903ae169ed75137653dc2538">notArrayNormalized</a>()) {
<a name="l00675"></a>00675 d.<a class="code" href="group__ExprPkg.html#gaa09f6f3f2938359d472a0c099ff0c634">setNotArrayNormalized</a>();
<a name="l00676"></a>00676 <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1TheoryArray.html#a8551ccd39df5cbb32ca3911def6f14a2" title="Backtracking database of subterms of shared terms.">d_sharedSubterms</a>.<a class="code" href="classCVC3_1_1CDMap.html#af5f700035db0db798c645e36dd0b31bd">count</a>(d) > 0) {
<a name="l00677"></a>00677 <span class="comment">// write has become non-normalized: add it to list to check</span>
<a name="l00678"></a>00678 <a class="code" href="classCVC3_1_1TheoryArray.html#adf746d89244842c91308cd7fa0c52920" title="Backtracking database of subterms of shared terms.">d_sharedSubtermsList</a>.<a class="code" href="classCVC3_1_1CDList.html#aa1e8d3591c596d1b9c585dec955b519b">push_back</a>(d);
<a name="l00679"></a>00679 }
<a name="l00680"></a>00680 }
<a name="l00681"></a>00681 }
<a name="l00682"></a>00682 <span class="keywordflow">else</span> {
<a name="l00683"></a>00683 <span class="comment">// update the notify list</span>
<a name="l00684"></a>00684 r.<a class="code" href="group__ExprPkg.html#ga159d60cb0f32e09df89a395b2680664a" title="Add (e,i) to the notify list of this expression.">addToNotify</a>(<span class="keyword">this</span>, d);
<a name="l00685"></a>00685 }
<a name="l00686"></a>00686 <span class="keywordflow">return</span>;
<a name="l00687"></a>00687 }
<a name="l00688"></a>00688
<a name="l00689"></a>00689 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(sigNew.<a class="code" href="group__ExprPkg.html#ga48a9219339b394280550069ac7b0474f" title="Test if e is atomic.">isAtomic</a>(), <span class="stringliteral">"Expected atomic formula"</span>);
<a name="l00690"></a>00690 <span class="comment">// Since we aren't doing a full normalization here, it's possible that sigNew is not normal</span>
<a name="l00691"></a>00691 <span class="comment">// and so it might have a different find. In that case, the find should be the new rhs.</span>
<a name="l00692"></a>00692 <span class="keywordflow">if</span> (sigNew.<a class="code" href="group__ExprPkg.html#ga4dc94c33ae308ff8d9d004f49df8f42b">hasFind</a>()) {
<a name="l00693"></a>00693 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> findThm = <a class="code" href="classCVC3_1_1Theory.html#a89a91d7480d5783fb0c0f67f2fdb7873" title="Return the find as a reference: expr must have a find.">findRef</a>(sigNew);
<a name="l00694"></a>00694 <span class="keywordflow">if</span> (!findThm.<a class="code" href="classCVC3_1_1Theorem.html#a16f074e60b9e076187efb478889d2c47">isRefl</a>()) {
<a name="l00695"></a>00695 thm = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, findThm);
<a name="l00696"></a>00696 }
<a name="l00697"></a>00697 <a class="code" href="classCVC3_1_1Theory.html#a135cfab97004ee025a7840d72b6c4e1d" title="Handle new equalities (usually asserted through addFact)">assertEqualities</a>(thm);
<a name="l00698"></a>00698 <span class="keywordflow">return</span>;
<a name="l00699"></a>00699 }
<a name="l00700"></a>00700
<a name="l00701"></a>00701 <span class="comment">// If it doesn't have a find at all, it needs to be simplified</span>
<a name="l00702"></a>00702 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> simpThm = <a class="code" href="classCVC3_1_1Theory.html#a52158688456f8605b064fbbf7a46039c" title="Simplify a term e and return a Theorem(e==e')">simplify</a>(sigNew);
<a name="l00703"></a>00703 thm = <a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(thm, simpThm);
<a name="l00704"></a>00704 sigNew = thm.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();
<a name="l00705"></a>00705 <span class="keywordflow">if</span> (sigNew.<a class="code" href="group__ExprPkg.html#ga48a9219339b394280550069ac7b0474f" title="Test if e is atomic.">isAtomic</a>()) {
<a name="l00706"></a>00706 <a class="code" href="classCVC3_1_1Theory.html#a135cfab97004ee025a7840d72b6c4e1d" title="Handle new equalities (usually asserted through addFact)">assertEqualities</a>(thm);
<a name="l00707"></a>00707 }
<a name="l00708"></a>00708 <span class="keywordflow">else</span> {
<a name="l00709"></a>00709 <span class="comment">// Simplify could maybe? introduce case splits in the expression. Handle this by renaminig</span>
<a name="l00710"></a>00710 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> renameTheorem = <a class="code" href="classCVC3_1_1Theory.html#a07c2391015494b5f71def510c1fb6e26" title="Derived rule to create a new name for an expression.">renameExpr</a>(d);
<a name="l00711"></a>00711 <a class="code" href="classCVC3_1_1Theory.html#a93856c9af82b2c25c51b3c36bafb71f4" title="Submit a derived fact to the core from a decision procedure.">enqueueFact</a>(<a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(<a class="code" href="classCVC3_1_1Theory.html#a7440711981ac1bba2bed7476c0fa4e0b" title="a1 == a2 ==> a2 == a1">symmetryRule</a>(renameTheorem), thm));
<a name="l00712"></a>00712 <a class="code" href="classCVC3_1_1Theory.html#a135cfab97004ee025a7840d72b6c4e1d" title="Handle new equalities (usually asserted through addFact)">assertEqualities</a>(renameTheorem);
<a name="l00713"></a>00713 }
<a name="l00714"></a>00714
<a name="l00715"></a>00715 }
<a name="l00716"></a>00716
<a name="l00717"></a>00717
<a name="l00718"></a><a class="code" href="classCVC3_1_1TheoryArray.html#a142d21629000a0f7fdf1dfe24bc0b25b">00718</a> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> <a class="code" href="classCVC3_1_1TheoryArray.html#a142d21629000a0f7fdf1dfe24bc0b25b" title="An optional solver.">TheoryArray::solve</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& eThm)
<a name="l00719"></a>00719 {
<a name="l00720"></a>00720 <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e = eThm.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>();
<a name="l00721"></a>00721 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(e.<a class="code" href="group__ExprPkg.html#gac4af2026c180da0f18d66ac616f61f3a">isEq</a>(), <span class="stringliteral">"TheoryArray::solve("</span>+e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>()+<span class="stringliteral">")"</span>);
<a name="l00722"></a>00722 <span class="keywordflow">if</span> (<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(e[0])) {
<a name="l00723"></a>00723 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!<a class="code" href="namespaceCVC3.html#abdc2f55e0df529954fc271499242351c">isWrite</a>(e[1]), <span class="stringliteral">"Should have been rewritten: e = "</span>
<a name="l00724"></a>00724 +e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l00725"></a>00725 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#a7440711981ac1bba2bed7476c0fa4e0b" title="a1 == a2 ==> a2 == a1">symmetryRule</a>(eThm);
<a name="l00726"></a>00726 }
<a name="l00727"></a>00727 <span class="keywordflow">return</span> eThm;
<a name="l00728"></a>00728 }
<a name="l00729"></a>00729
<a name="l00730"></a>00730
<a name="l00731"></a><a class="code" href="classCVC3_1_1TheoryArray.html#ae6eb6ed17276330ab41fe1944a612f03">00731</a> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1TheoryArray.html#ae6eb6ed17276330ab41fe1944a612f03" title="Check that e is a valid Type expr.">TheoryArray::checkType</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e)
<a name="l00732"></a>00732 {
<a name="l00733"></a>00733 <span class="keywordflow">switch</span> (e.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>()) {
<a name="l00734"></a>00734 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a8aa48defeac37f699364f71fe54f39ee">ARRAY</a>: {
<a name="l00735"></a>00735 <span class="keywordflow">if</span> (e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() != 2) <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1Exception.html">Exception</a>
<a name="l00736"></a>00736 (<span class="stringliteral">"ARRAY type should have two arguments"</span>);
<a name="l00737"></a>00737 <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> t1(e[0]);
<a name="l00738"></a>00738 <span class="keywordflow">if</span> (t1.<a class="code" href="classCVC3_1_1Type.html#a38bba404056eadf3c283a67ab2347e02">isBool</a>()) <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1Exception.html">Exception</a>
<a name="l00739"></a>00739 (<span class="stringliteral">"Array index types must be non-Boolean"</span>);
<a name="l00740"></a>00740 <span class="keywordflow">if</span> (t1.<a class="code" href="classCVC3_1_1Type.html#a9c3be568546a63fb424e4cb49391dfa6">isFunction</a>()) <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1Exception.html">Exception</a>
<a name="l00741"></a>00741 (<span class="stringliteral">"Array index types cannot be functions"</span>);
<a name="l00742"></a>00742 <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> t2(e[1]);
<a name="l00743"></a>00743 <span class="keywordflow">if</span> (t2.<a class="code" href="classCVC3_1_1Type.html#a38bba404056eadf3c283a67ab2347e02">isBool</a>()) <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1Exception.html">Exception</a>
<a name="l00744"></a>00744 (<span class="stringliteral">"Array value types must be non-Boolean"</span>);
<a name="l00745"></a>00745 <span class="keywordflow">if</span> (t2.<a class="code" href="classCVC3_1_1Type.html#a9c3be568546a63fb424e4cb49391dfa6">isFunction</a>()) <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1Exception.html">Exception</a>
<a name="l00746"></a>00746 (<span class="stringliteral">"Array value types cannot be functions"</span>);
<a name="l00747"></a>00747 <span class="keywordflow">break</span>;
<a name="l00748"></a>00748 }
<a name="l00749"></a>00749 <span class="keywordflow">default</span>:
<a name="l00750"></a>00750 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<span class="keyword">false</span>, <span class="stringliteral">"Unexpected kind in TheoryArray::checkType"</span>
<a name="l00751"></a>00751 +<a class="code" href="classCVC3_1_1Theory.html#abc2e30308c9e1f3cf752cfe8d939df1e" title="Access to ExprManager.">getEM</a>()->getKindName(e.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>()));
<a name="l00752"></a>00752 }
<a name="l00753"></a>00753
<a name="l00754"></a>00754 }
<a name="l00755"></a>00755
<a name="l00756"></a>00756
<a name="l00757"></a><a class="code" href="classCVC3_1_1TheoryArray.html#acb95878ba64d211ede428600c09ca71e">00757</a> <a class="code" href="namespaceCVC3.html#af969e724f8b7016909f5804e8cea3e54" title="Enum for cardinality of types.">Cardinality</a> <a class="code" href="classCVC3_1_1TheoryArray.html#acb95878ba64d211ede428600c09ca71e" title="Compute information related to finiteness of types.">TheoryArray::finiteTypeInfo</a>(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e, <a class="code" href="classCVC3_1_1Unsigned.html">Unsigned</a>& n,
<a name="l00758"></a>00758 <span class="keywordtype">bool</span> enumerate, <span class="keywordtype">bool</span> computeSize)
<a name="l00759"></a>00759 {
<a name="l00760"></a>00760 <a class="code" href="namespaceCVC3.html#af969e724f8b7016909f5804e8cea3e54" title="Enum for cardinality of types.">Cardinality</a> card = <a class="code" href="namespaceCVC3.html#af969e724f8b7016909f5804e8cea3e54ad4a45eb68b0ebb32f0c805f6d2abf6d6">CARD_INFINITE</a>;
<a name="l00761"></a>00761 <span class="keywordflow">switch</span> (e.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>()) {
<a name="l00762"></a>00762 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a8aa48defeac37f699364f71fe54f39ee">ARRAY</a>: {
<a name="l00763"></a>00763 <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> typeIndex = <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>(e[0]);
<a name="l00764"></a>00764 <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> typeElem = <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>(e[1]);
<a name="l00765"></a>00765 <span class="keywordflow">if</span> (typeElem.<a class="code" href="classCVC3_1_1Type.html#a79df1e87774d07af2e0f1e63ef9a5898" title="Return cardinality of type.">card</a>() == <a class="code" href="namespaceCVC3.html#af969e724f8b7016909f5804e8cea3e54ac1ba3119b0fd85d3e54c69601ec1ccca">CARD_FINITE</a> &&
<a name="l00766"></a>00766 (typeIndex.<a class="code" href="classCVC3_1_1Type.html#a79df1e87774d07af2e0f1e63ef9a5898" title="Return cardinality of type.">card</a>() == <a class="code" href="namespaceCVC3.html#af969e724f8b7016909f5804e8cea3e54ac1ba3119b0fd85d3e54c69601ec1ccca">CARD_FINITE</a> || typeElem.<a class="code" href="classCVC3_1_1Type.html#a139b7b4132051557791bcbaea66bd377" title="Return size of a finite type; returns 0 if size cannot be determined.">sizeFinite</a>() == 1)) {
<a name="l00767"></a>00767
<a name="l00768"></a>00768 card = <a class="code" href="namespaceCVC3.html#af969e724f8b7016909f5804e8cea3e54ac1ba3119b0fd85d3e54c69601ec1ccca">CARD_FINITE</a>;
<a name="l00769"></a>00769
<a name="l00770"></a>00770 <span class="keywordflow">if</span> (enumerate) {
<a name="l00771"></a>00771 <span class="comment">// Right now, we only enumerate the first element for finite arrays</span>
<a name="l00772"></a>00772 <span class="keywordflow">if</span> (n == 0) {
<a name="l00773"></a>00773 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> ind(<a class="code" href="classCVC3_1_1Theory.html#abc2e30308c9e1f3cf752cfe8d939df1e" title="Access to ExprManager.">getEM</a>()->newBoundVarExpr(<a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>(e[0])));
<a name="l00774"></a>00774 e = <a class="code" href="namespaceCVC3.html#a6e5d3ff27d9ac5973d1f9f3ba7fbd5fb">arrayLiteral</a>(ind, typeElem.<a class="code" href="classCVC3_1_1Type.html#aaf312d59704ec785b26661aeba90b7bc" title="Return nth (starting with 0) element in a finite type.">enumerateFinite</a>(0));
<a name="l00775"></a>00775 }
<a name="l00776"></a>00776 <span class="keywordflow">else</span> e = <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>();
<a name="l00777"></a>00777 }
<a name="l00778"></a>00778
<a name="l00779"></a>00779 <span class="keywordflow">if</span> (computeSize) {
<a name="l00780"></a>00780 n = 0;
<a name="l00781"></a>00781 <a class="code" href="classCVC3_1_1Unsigned.html">Unsigned</a> sizeElem = typeElem.<a class="code" href="classCVC3_1_1Type.html#a139b7b4132051557791bcbaea66bd377" title="Return size of a finite type; returns 0 if size cannot be determined.">sizeFinite</a>();
<a name="l00782"></a>00782 <span class="keywordflow">if</span> (sizeElem == 1) {
<a name="l00783"></a>00783 n = 1;
<a name="l00784"></a>00784 }
<a name="l00785"></a>00785 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (sizeElem > 1) {
<a name="l00786"></a>00786 <a class="code" href="classCVC3_1_1Unsigned.html">Unsigned</a> sizeIndex = typeIndex.<a class="code" href="classCVC3_1_1Type.html#a139b7b4132051557791bcbaea66bd377" title="Return size of a finite type; returns 0 if size cannot be determined.">sizeFinite</a>();
<a name="l00787"></a>00787 <span class="keywordflow">if</span> (sizeIndex > 0) {
<a name="l00788"></a>00788 n = sizeElem;
<a name="l00789"></a>00789 <span class="keywordflow">while</span> (--sizeIndex > 0) {
<a name="l00790"></a>00790 n = n * sizeElem;
<a name="l00791"></a>00791 <span class="keywordflow">if</span> (n > 1000000) {
<a name="l00792"></a>00792 <span class="comment">// if it starts getting too big, just return 0</span>
<a name="l00793"></a>00793 n = 0;
<a name="l00794"></a>00794 <span class="keywordflow">break</span>;
<a name="l00795"></a>00795 }
<a name="l00796"></a>00796 }
<a name="l00797"></a>00797 }
<a name="l00798"></a>00798 }
<a name="l00799"></a>00799 }
<a name="l00800"></a>00800 }
<a name="l00801"></a>00801 <span class="keywordflow">break</span>;
<a name="l00802"></a>00802 }
<a name="l00803"></a>00803 <span class="keywordflow">default</span>:
<a name="l00804"></a>00804 <span class="keywordflow">break</span>;
<a name="l00805"></a>00805 }
<a name="l00806"></a>00806 <span class="keywordflow">return</span> card;
<a name="l00807"></a>00807 }
<a name="l00808"></a>00808
<a name="l00809"></a>00809
<a name="l00810"></a><a class="code" href="classCVC3_1_1TheoryArray.html#a877d95364306ead07d3c26cf1a5f4e2d">00810</a> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1TheoryArray.html#a877d95364306ead07d3c26cf1a5f4e2d" title="Compute and store the type of e.">TheoryArray::computeType</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e)
<a name="l00811"></a>00811 {
<a name="l00812"></a>00812 <span class="keywordflow">switch</span> (e.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>()) {
<a name="l00813"></a>00813 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781ab012911c4fabb7b8556925a0d61e9c8c">READ</a>: {
<a name="l00814"></a>00814 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() == 2,<span class="stringliteral">""</span>);
<a name="l00815"></a>00815 <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> arrType = e[0].<a class="code" href="group__ExprPkg.html#ga42929221eb172250697b72c28af6de07" title="Get the type. Recursively compute if necessary.">getType</a>();
<a name="l00816"></a>00816 <span class="keywordflow">if</span> (!<a class="code" href="namespaceCVC3.html#abb990c58eff7370233a56098a732fc46">isArray</a>(arrType)) {
<a name="l00817"></a>00817 arrType = <a class="code" href="classCVC3_1_1Theory.html#aa408fe61c3d28f4333b78a3027606bb8" title="Compute (or look up in cache) the base type of e and return the result.">getBaseType</a>(arrType);
<a name="l00818"></a>00818 }
<a name="l00819"></a>00819 <span class="keywordflow">if</span> (!<a class="code" href="namespaceCVC3.html#abb990c58eff7370233a56098a732fc46">isArray</a>(arrType))
<a name="l00820"></a>00820 <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1TypecheckException.html">TypecheckException</a>
<a name="l00821"></a>00821 (<span class="stringliteral">"Expected an ARRAY type in\n\n "</span>
<a name="l00822"></a>00822 +e[0].toString()+<span class="stringliteral">"\n\nBut received this:\n\n "</span>
<a name="l00823"></a>00823 +arrType.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>()+<span class="stringliteral">"\n\nIn the expression:\n\n "</span>
<a name="l00824"></a>00824 +e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l00825"></a>00825 <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> idxType = <a class="code" href="classCVC3_1_1Theory.html#aa408fe61c3d28f4333b78a3027606bb8" title="Compute (or look up in cache) the base type of e and return the result.">getBaseType</a>(e[1]);
<a name="l00826"></a>00826 <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1Theory.html#aa408fe61c3d28f4333b78a3027606bb8" title="Compute (or look up in cache) the base type of e and return the result.">getBaseType</a>(arrType[0]) != idxType && idxType != <a class="code" href="classCVC3_1_1Type.html#ae3477d8de1425fc5f278a8fbc76e56a0">Type::anyType</a>(<a class="code" href="classCVC3_1_1Theory.html#abc2e30308c9e1f3cf752cfe8d939df1e" title="Access to ExprManager.">getEM</a>())) {
<a name="l00827"></a>00827 <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1TypecheckException.html">TypecheckException</a>
<a name="l00828"></a>00828 (<span class="stringliteral">"The type of index expression:\n\n "</span>
<a name="l00829"></a>00829 +idxType.toString()
<a name="l00830"></a>00830 +<span class="stringliteral">"\n\nDoes not match the ARRAY index type:\n\n "</span>
<a name="l00831"></a>00831 +arrType[0].toString()
<a name="l00832"></a>00832 +<span class="stringliteral">"\n\nIn the expression: "</span>+e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l00833"></a>00833 }
<a name="l00834"></a>00834 e.<a class="code" href="group__ExprPkg.html#ga07d47f902598e00097086deabf04d9c5" title="Set the cached type.">setType</a>(arrType[1]);
<a name="l00835"></a>00835 <span class="keywordflow">break</span>;
<a name="l00836"></a>00836 }
<a name="l00837"></a>00837 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a33b0829ff24c1e0d27de00d675267297">WRITE</a>: {
<a name="l00838"></a>00838 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() == 3,<span class="stringliteral">""</span>);
<a name="l00839"></a>00839 <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> arrType = e[0].<a class="code" href="group__ExprPkg.html#ga42929221eb172250697b72c28af6de07" title="Get the type. Recursively compute if necessary.">getType</a>();
<a name="l00840"></a>00840 <span class="keywordflow">if</span> (!<a class="code" href="namespaceCVC3.html#abb990c58eff7370233a56098a732fc46">isArray</a>(arrType)) {
<a name="l00841"></a>00841 arrType = <a class="code" href="classCVC3_1_1Theory.html#aa408fe61c3d28f4333b78a3027606bb8" title="Compute (or look up in cache) the base type of e and return the result.">getBaseType</a>(arrType);
<a name="l00842"></a>00842 }
<a name="l00843"></a>00843 <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> idxType = <a class="code" href="classCVC3_1_1Theory.html#aa408fe61c3d28f4333b78a3027606bb8" title="Compute (or look up in cache) the base type of e and return the result.">getBaseType</a>(e[1]);
<a name="l00844"></a>00844 <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> valType = <a class="code" href="classCVC3_1_1Theory.html#aa408fe61c3d28f4333b78a3027606bb8" title="Compute (or look up in cache) the base type of e and return the result.">getBaseType</a>(e[2]);
<a name="l00845"></a>00845 <span class="keywordflow">if</span> (!<a class="code" href="namespaceCVC3.html#abb990c58eff7370233a56098a732fc46">isArray</a>(arrType))
<a name="l00846"></a>00846 <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1TypecheckException.html">TypecheckException</a>
<a name="l00847"></a>00847 (<span class="stringliteral">"Expected an ARRAY type in\n\n "</span>
<a name="l00848"></a>00848 +e[0].toString()+<span class="stringliteral">"\n\nBut received this:\n\n "</span>
<a name="l00849"></a>00849 +arrType.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>()+<span class="stringliteral">"\n\nIn the expression:\n\n "</span>
<a name="l00850"></a>00850 +e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l00851"></a>00851 <span class="keywordtype">bool</span> idxCorrect = <a class="code" href="classCVC3_1_1Theory.html#aa408fe61c3d28f4333b78a3027606bb8" title="Compute (or look up in cache) the base type of e and return the result.">getBaseType</a>(arrType[0]) == idxType || idxType == <a class="code" href="classCVC3_1_1Type.html#ae3477d8de1425fc5f278a8fbc76e56a0">Type::anyType</a>(<a class="code" href="classCVC3_1_1Theory.html#abc2e30308c9e1f3cf752cfe8d939df1e" title="Access to ExprManager.">getEM</a>());
<a name="l00852"></a>00852 <span class="keywordtype">bool</span> valCorrect = <a class="code" href="classCVC3_1_1Theory.html#aa408fe61c3d28f4333b78a3027606bb8" title="Compute (or look up in cache) the base type of e and return the result.">getBaseType</a>(arrType[1]) == valType || valType == <a class="code" href="classCVC3_1_1Type.html#ae3477d8de1425fc5f278a8fbc76e56a0">Type::anyType</a>(<a class="code" href="classCVC3_1_1Theory.html#abc2e30308c9e1f3cf752cfe8d939df1e" title="Access to ExprManager.">getEM</a>());;
<a name="l00853"></a>00853 <span class="keywordflow">if</span>(!idxCorrect) {
<a name="l00854"></a>00854 <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1TypecheckException.html">TypecheckException</a>
<a name="l00855"></a>00855 (<span class="stringliteral">"The type of index expression:\n\n "</span>
<a name="l00856"></a>00856 +idxType.<a class="code" href="classCVC3_1_1Type.html#a2f5ce4b1973ec02b2f2b2eba8ce3cc50">toString</a>()
<a name="l00857"></a>00857 +<span class="stringliteral">"\n\nDoes not match the ARRAY's type index:\n\n "</span>
<a name="l00858"></a>00858 +arrType[0].toString()
<a name="l00859"></a>00859 +<span class="stringliteral">"\n\nIn the expression: "</span>+e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l00860"></a>00860 }
<a name="l00861"></a>00861 <span class="keywordflow">if</span>(!valCorrect) {
<a name="l00862"></a>00862 <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1TypecheckException.html">TypecheckException</a>
<a name="l00863"></a>00863 (<span class="stringliteral">"The type of value expression:\n\n "</span>
<a name="l00864"></a>00864 +valType.<a class="code" href="classCVC3_1_1Type.html#a2f5ce4b1973ec02b2f2b2eba8ce3cc50">toString</a>()
<a name="l00865"></a>00865 +<span class="stringliteral">"\n\nDoes not match the ARRAY's value type:\n\n "</span>
<a name="l00866"></a>00866 +arrType[1].toString()
<a name="l00867"></a>00867 +<span class="stringliteral">"\n\nIn the expression: "</span>+e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l00868"></a>00868 }
<a name="l00869"></a>00869 e.<a class="code" href="group__ExprPkg.html#ga07d47f902598e00097086deabf04d9c5" title="Set the cached type.">setType</a>(arrType);
<a name="l00870"></a>00870 <span class="keywordflow">break</span>;
<a name="l00871"></a>00871 }
<a name="l00872"></a>00872 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a9e6a1f69d18953ab05c21b660abbb0f0">ARRAY_LITERAL</a>: {
<a name="l00873"></a>00873 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(e.<a class="code" href="group__ExprPkg.html#ga3127f52184d5bcb2d4056cb23f3a292b">isClosure</a>(), <span class="stringliteral">"TheoryArray::computeType("</span>+e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>()+<span class="stringliteral">")"</span>);
<a name="l00874"></a>00874 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(e.<a class="code" href="group__ExprPkg.html#gaad22e223d0e273780557aca9d87620cd" title="Get bound variables from a closure Expr.">getVars</a>().size()==1,
<a name="l00875"></a>00875 <span class="stringliteral">"TheoryArray::computeType("</span>+e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>()+<span class="stringliteral">")"</span>);
<a name="l00876"></a>00876 <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> ind(e.<a class="code" href="group__ExprPkg.html#gaad22e223d0e273780557aca9d87620cd" title="Get bound variables from a closure Expr.">getVars</a>()[0].getType());
<a name="l00877"></a>00877 e.<a class="code" href="group__ExprPkg.html#ga07d47f902598e00097086deabf04d9c5" title="Set the cached type.">setType</a>(<a class="code" href="namespaceCVC3.html#a587d33ff63396be21a99bf4d744b2b98">arrayType</a>(ind, e.<a class="code" href="group__ExprPkg.html#ga9060193194020fee3dac69ed1876a940" title="Get the body of the closure Expr.">getBody</a>().<a class="code" href="group__ExprPkg.html#ga42929221eb172250697b72c28af6de07" title="Get the type. Recursively compute if necessary.">getType</a>()));
<a name="l00878"></a>00878 <span class="keywordflow">break</span>;
<a name="l00879"></a>00879 }
<a name="l00880"></a>00880 <span class="keywordflow">default</span>:
<a name="l00881"></a>00881 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<span class="keyword">false</span>,<span class="stringliteral">"Unexpected type"</span>);
<a name="l00882"></a>00882 <span class="keywordflow">break</span>;
<a name="l00883"></a>00883 }
<a name="l00884"></a>00884 }
<a name="l00885"></a>00885
<a name="l00886"></a>00886
<a name="l00887"></a><a class="code" href="classCVC3_1_1TheoryArray.html#a5381a34007ebe59a8869e5c38951bbd2">00887</a> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> <a class="code" href="classCVC3_1_1TheoryArray.html#a5381a34007ebe59a8869e5c38951bbd2" title="Compute the base type of the top-level operator of an arbitrary type.">TheoryArray::computeBaseType</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>& t) {
<a name="l00888"></a>00888 <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e = t.<a class="code" href="classCVC3_1_1Type.html#a0bc1eebf8dbd9d2880e1f18d7804e5c2">getExpr</a>();
<a name="l00889"></a>00889 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(e.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>()==<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a8aa48defeac37f699364f71fe54f39ee">ARRAY</a> && e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() == 2,
<a name="l00890"></a>00890 <span class="stringliteral">"TheoryArray::computeBaseType("</span>+t.<a class="code" href="classCVC3_1_1Type.html#a2f5ce4b1973ec02b2f2b2eba8ce3cc50">toString</a>()+<span class="stringliteral">")"</span>);
<a name="l00891"></a>00891 vector<Expr> kids;
<a name="l00892"></a>00892 <span class="keywordflow">for</span>(<a class="code" href="classCVC3_1_1Expr_1_1iterator.html">Expr::iterator</a> i=e.<a class="code" href="group__ExprPkg.html#gac890e13db184610276fc533fa4b4fe99" title="Begin iterator.">begin</a>(), iend=e.<a class="code" href="group__ExprPkg.html#gaf6048a5030c8fa2511bf5dfee868e653" title="End iterator.">end</a>(); i!=iend; ++i) {
<a name="l00893"></a>00893 kids.push_back(<a class="code" href="classCVC3_1_1Theory.html#aa408fe61c3d28f4333b78a3027606bb8" title="Compute (or look up in cache) the base type of e and return the result.">getBaseType</a>(<a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>(*i)).getExpr());
<a name="l00894"></a>00894 }
<a name="l00895"></a>00895 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a>(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(e.<a class="code" href="group__ExprPkg.html#gace479f04faca399219496195152f7806" title="Get operator from expression.">getOp</a>(), kids));
<a name="l00896"></a>00896 }
<a name="l00897"></a>00897
<a name="l00898"></a>00898
<a name="l00899"></a><a class="code" href="classCVC3_1_1TheoryArray.html#a5005ba3bcd8688e06b1dd9dfd81a1a8f">00899</a> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1TheoryArray.html#a5005ba3bcd8688e06b1dd9dfd81a1a8f" title="Add variables from 'e' to 'v' for constructing a concrete model.">TheoryArray::computeModelTerm</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e, std::vector<Expr>& v) {
<a name="l00900"></a>00900 <span class="keywordflow">switch</span>(e.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>()) {
<a name="l00901"></a>00901 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a33b0829ff24c1e0d27de00d675267297">WRITE</a>:
<a name="l00902"></a>00902 <span class="comment">// a WITH [i] := v -- report a, i and v as the model terms.</span>
<a name="l00903"></a>00903 <span class="comment">// getModelTerm(e[1], v);</span>
<a name="l00904"></a>00904 <span class="comment">// getModelTerm(e[2], v);</span>
<a name="l00905"></a>00905 v.push_back(e[0]);
<a name="l00906"></a>00906 v.push_back(e[1]);
<a name="l00907"></a>00907 v.push_back(e[2]);
<a name="l00908"></a>00908 <span class="keywordflow">break</span>;
<a name="l00909"></a>00909 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781ab012911c4fabb7b8556925a0d61e9c8c">READ</a>:
<a name="l00910"></a>00910 <span class="comment">// For a[i], add the index i</span>
<a name="l00911"></a>00911 <span class="comment">// getModelTerm(e[1], v);</span>
<a name="l00912"></a>00912 v.push_back(e[1]);
<a name="l00913"></a>00913 <span class="comment">// And continue to collect the reads a[i][j] (remember, e is of</span>
<a name="l00914"></a>00914 <span class="comment">// ARRAY type)</span>
<a name="l00915"></a>00915 <span class="keywordflow">default</span>:
<a name="l00916"></a>00916 <span class="comment">// For array terms, find all their reads</span>
<a name="l00917"></a>00917 <span class="keywordflow">if</span>(e.<a class="code" href="group__ExprPkg.html#ga42929221eb172250697b72c28af6de07" title="Get the type. Recursively compute if necessary.">getType</a>().<a class="code" href="classCVC3_1_1Type.html#a0bc1eebf8dbd9d2880e1f18d7804e5c2">getExpr</a>().<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>() == <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a8aa48defeac37f699364f71fe54f39ee">ARRAY</a>) {
<a name="l00918"></a>00918 <span class="keywordflow">for</span>(<a class="code" href="classCVC3_1_1CDList.html">CDList<Expr>::const_iterator</a> i=<a class="code" href="classCVC3_1_1TheoryArray.html#acda80f8b90c2a1bdf93b21c06657ad5b" title="Backtracking list of array reads, for building concrete models.">d_reads</a>.<a class="code" href="classCVC3_1_1CDList.html#ae2cf006604b1ab88139332a5e2c08568">begin</a>(), iend=<a class="code" href="classCVC3_1_1TheoryArray.html#acda80f8b90c2a1bdf93b21c06657ad5b" title="Backtracking list of array reads, for building concrete models.">d_reads</a>.<a class="code" href="classCVC3_1_1CDList.html#a96313ff2924c89a93d7fe6c618c837af">end</a>();
<a name="l00919"></a>00919 i!=iend; ++i) {
<a name="l00920"></a>00920 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="namespaceCVC3.html#a970e5543468dfa1fb19e6e256b022370">isRead</a>(*i) && (*i).arity()==2, <span class="stringliteral">"Bad array read: "</span>
<a name="l00921"></a>00921 +(*i).toString());
<a name="l00922"></a>00922 <span class="keywordflow">if</span>((*i)[0] == e) {
<a name="l00923"></a>00923 <span class="comment">// Add both the read operator a[i]</span>
<a name="l00924"></a>00924 <span class="comment">// getModelTerm(*i, v);</span>
<a name="l00925"></a>00925 v.push_back(*i);
<a name="l00926"></a>00926 <span class="comment">// and the index 'i' to the model terms. Reason: the index to</span>
<a name="l00927"></a>00927 <span class="comment">// the array should better be a concrete value, and it might not</span>
<a name="l00928"></a>00928 <span class="comment">// necessarily be in the current list of model terms.</span>
<a name="l00929"></a>00929 <span class="comment">// getModelTerm((*i)[1], v);</span>
<a name="l00930"></a>00930 v.push_back((*i)[1]);
<a name="l00931"></a>00931 }
<a name="l00932"></a>00932 }
<a name="l00933"></a>00933 }
<a name="l00934"></a>00934 <span class="keywordflow">break</span>;
<a name="l00935"></a>00935 }
<a name="l00936"></a>00936 }
<a name="l00937"></a>00937
<a name="l00938"></a>00938
<a name="l00939"></a><a class="code" href="classCVC3_1_1TheoryArray.html#ac3d4027dec5817e812ce81ff46c2998b">00939</a> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1TheoryArray.html#ac3d4027dec5817e812ce81ff46c2998b" title="Compute the value of a compound variable from the more primitive ones.">TheoryArray::computeModel</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e, std::vector<Expr>& v) {
<a name="l00940"></a>00940 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> count(0); <span class="comment">// For bound vars</span>
<a name="l00941"></a>00941
<a name="l00942"></a>00942 <span class="keywordflow">switch</span>(e.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>()) {
<a name="l00943"></a>00943 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a33b0829ff24c1e0d27de00d675267297">WRITE</a>: {
<a name="l00944"></a>00944 <span class="comment">// We should already have a value for the original array</span>
<a name="l00945"></a>00945 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> res(<a class="code" href="classCVC3_1_1Theory.html#a4867f332c809f6efe8f01ffa45c32db3" title="Fetch the concrete assignment to the variable during model generation.">getModelValue</a>(e[0]).getRHS());
<a name="l00946"></a>00946 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> ind(<a class="code" href="classCVC3_1_1Theory.html#abc2e30308c9e1f3cf752cfe8d939df1e" title="Access to ExprManager.">getEM</a>()->newBoundVarExpr(<span class="stringliteral">"arr_var"</span>, <a class="code" href="namespaceCVC3.html#af69618103f1f0f2eadada0796a2a940c">int2string</a>(count++)));
<a name="l00947"></a>00947 <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> tp(e.<a class="code" href="group__ExprPkg.html#ga42929221eb172250697b72c28af6de07" title="Get the type. Recursively compute if necessary.">getType</a>());
<a name="l00948"></a>00948 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="namespaceCVC3.html#abb990c58eff7370233a56098a732fc46">isArray</a>(tp) && tp.arity()==2,
<a name="l00949"></a>00949 <span class="stringliteral">"TheoryArray::computeModel(WRITE)"</span>);
<a name="l00950"></a>00950 ind.<a class="code" href="group__ExprPkg.html#ga07d47f902598e00097086deabf04d9c5" title="Set the cached type.">setType</a>(tp[0]);
<a name="l00951"></a>00951 res = <a class="code" href="classCVC3_1_1TheoryArray.html#ad26e3958bc32f28030d57c9b8415d69f" title="Theory-specific rewrite rules.">rewrite</a>(<a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781ab012911c4fabb7b8556925a0d61e9c8c">READ</a>, res, ind)).<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();
<a name="l00952"></a>00952 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> indVal(<a class="code" href="classCVC3_1_1Theory.html#a4867f332c809f6efe8f01ffa45c32db3" title="Fetch the concrete assignment to the variable during model generation.">getModelValue</a>(e[1]).getRHS());
<a name="l00953"></a>00953 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> updVal(<a class="code" href="classCVC3_1_1Theory.html#a4867f332c809f6efe8f01ffa45c32db3" title="Fetch the concrete assignment to the variable during model generation.">getModelValue</a>(e[2]).getRHS());
<a name="l00954"></a>00954 res = (ind.<a class="code" href="group__ExprPkg.html#gacb48495ca445c895f95d0c3c1ae2070b">eqExpr</a>(indVal)).iteExpr(updVal, res);
<a name="l00955"></a>00955 res = <a class="code" href="namespaceCVC3.html#a6e5d3ff27d9ac5973d1f9f3ba7fbd5fb">arrayLiteral</a>(ind, res);
<a name="l00956"></a>00956 <a class="code" href="classCVC3_1_1Theory.html#a917b117d28514f486b296568fcd1cfd1" title="Assigns t a concrete value val. Used in model generation.">assignValue</a>(e, res);
<a name="l00957"></a>00957 v.push_back(e);
<a name="l00958"></a>00958 <span class="keywordflow">break</span>;
<a name="l00959"></a>00959 }
<a name="l00960"></a>00960 <span class="comment">// case READ: {</span>
<a name="l00961"></a>00961 <span class="comment">// // Get the assignment for the index</span>
<a name="l00962"></a>00962 <span class="comment">// Expr idx(getModelValue(e[1]).getRHS());</span>
<a name="l00963"></a>00963 <span class="comment">// // And the assignment for the </span>
<a name="l00964"></a>00964 <span class="comment">// var = read(idxThm.getRHS(), e[0]);</span>
<a name="l00965"></a>00965 <span class="comment">// }</span>
<a name="l00966"></a>00966 <span class="comment">// And continue to collect the reads a[i][j] (remember, e is of</span>
<a name="l00967"></a>00967 <span class="comment">// ARRAY type)</span>
<a name="l00968"></a>00968 <span class="keywordflow">default</span>: {
<a name="l00969"></a>00969 <span class="comment">// Assign 'e' a value later.</span>
<a name="l00970"></a>00970 v.push_back(e);
<a name="l00971"></a>00971 <span class="comment">// Map of e[i] to val for concrete values of i and val</span>
<a name="l00972"></a>00972 <a class="code" href="classCVC3_1_1ExprHashMap.html">ExprHashMap<Expr></a> reads;
<a name="l00973"></a>00973 <span class="comment">// For array terms, find all their reads</span>
<a name="l00974"></a>00974 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="classCVC3_1_1Theory.html#aa408fe61c3d28f4333b78a3027606bb8" title="Compute (or look up in cache) the base type of e and return the result.">getBaseType</a>(e).getExpr().getKind() == <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a8aa48defeac37f699364f71fe54f39ee">ARRAY</a>, <span class="stringliteral">""</span>);
<a name="l00975"></a>00975
<a name="l00976"></a>00976 <span class="keywordflow">for</span>(<a class="code" href="classCVC3_1_1CDList.html">CDList<Expr>::const_iterator</a> i=<a class="code" href="classCVC3_1_1TheoryArray.html#acda80f8b90c2a1bdf93b21c06657ad5b" title="Backtracking list of array reads, for building concrete models.">d_reads</a>.<a class="code" href="classCVC3_1_1CDList.html#ae2cf006604b1ab88139332a5e2c08568">begin</a>(), iend=<a class="code" href="classCVC3_1_1TheoryArray.html#acda80f8b90c2a1bdf93b21c06657ad5b" title="Backtracking list of array reads, for building concrete models.">d_reads</a>.<a class="code" href="classCVC3_1_1CDList.html#a96313ff2924c89a93d7fe6c618c837af">end</a>();
<a name="l00977"></a>00977 i!=iend; ++i) {
<a name="l00978"></a>00978 <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"model"</span>, <span class="stringliteral">"TheoryArray::computeModel: read = "</span>, *i, <span class="stringliteral">""</span>);
<a name="l00979"></a>00979 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="namespaceCVC3.html#a970e5543468dfa1fb19e6e256b022370">isRead</a>(*i) && (*i).arity()==2, <span class="stringliteral">"Bad array read: "</span>
<a name="l00980"></a>00980 +(*i).toString());
<a name="l00981"></a>00981 <span class="keywordflow">if</span>((*i)[0] == e) {
<a name="l00982"></a>00982 <span class="comment">// Get the value of the index</span>
<a name="l00983"></a>00983 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> asst(<a class="code" href="classCVC3_1_1Theory.html#a4867f332c809f6efe8f01ffa45c32db3" title="Fetch the concrete assignment to the variable during model generation.">getModelValue</a>((*i)[1]));
<a name="l00984"></a>00984 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> var;
<a name="l00985"></a>00985 <span class="keywordflow">if</span>(asst.<a class="code" href="classCVC3_1_1Theorem.html#a206c04f39fbbcacef2337148675553f4">getLHS</a>()!=asst.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>()) {
<a name="l00986"></a>00986 vector<Theorem> thms;
<a name="l00987"></a>00987 vector<unsigned> changed;
<a name="l00988"></a>00988 thms.push_back(asst);
<a name="l00989"></a>00989 changed.push_back(1);
<a name="l00990"></a>00990 <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> subst(<a class="code" href="classCVC3_1_1Theory.html#a92e2da5223d7fb620cce85b2813e047f" title="(c_1 == d_1) & ... & (c_n == d_n) ==> op(c_1,...,c_n) == op(d_1,...,d_n)">substitutivityRule</a>(*i, changed, thms));
<a name="l00991"></a>00991 <a class="code" href="classCVC3_1_1Theory.html#a917b117d28514f486b296568fcd1cfd1" title="Assigns t a concrete value val. Used in model generation.">assignValue</a>(<a class="code" href="classCVC3_1_1Theory.html#a76f6507116e36f46dab074781fb9bf2d" title="(a1 == a2) & (a2 == a3) ==> (a1 == a3)">transitivityRule</a>(<a class="code" href="classCVC3_1_1Theory.html#a7440711981ac1bba2bed7476c0fa4e0b" title="a1 == a2 ==> a2 == a1">symmetryRule</a>(subst),
<a name="l00992"></a>00992 <a class="code" href="classCVC3_1_1Theory.html#a4867f332c809f6efe8f01ffa45c32db3" title="Fetch the concrete assignment to the variable during model generation.">getModelValue</a>(*i)));
<a name="l00993"></a>00993 var = subst.<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();
<a name="l00994"></a>00994 } <span class="keywordflow">else</span>
<a name="l00995"></a>00995 var = *i;
<a name="l00996"></a>00996 <span class="keywordflow">if</span>(<a class="code" href="classCVC3_1_1TheoryArray.html#a9a8372869f9d200564cf5eb971296f80" title="Flag to include array reads to the concrete model.">d_applicationsInModel</a>) v.push_back(var);
<a name="l00997"></a>00997 <span class="comment">// Record it in the map</span>
<a name="l00998"></a>00998 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> val(<a class="code" href="classCVC3_1_1Theory.html#a4867f332c809f6efe8f01ffa45c32db3" title="Fetch the concrete assignment to the variable during model generation.">getModelValue</a>(var).getRHS());
<a name="l00999"></a>00999 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!val.<a class="code" href="group__ExprPkg.html#ga0265d1ca42fa59c95aaff3ca675b6504">isNull</a>(), <span class="stringliteral">"TheoryArray::computeModel(): Variable "</span>
<a name="l01000"></a>01000 +var.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>()+<span class="stringliteral">" has a Null value"</span>);
<a name="l01001"></a>01001 reads[var] = val;
<a name="l01002"></a>01002 }
<a name="l01003"></a>01003 }
<a name="l01004"></a>01004 <span class="comment">// Create an array literal</span>
<a name="l01005"></a>01005 <span class="keywordflow">if</span>(reads.<a class="code" href="classCVC3_1_1ExprHashMap.html#a9d792cf5282604c376d329ae325c983e">size</a>()==0) { <span class="comment">// Leave the array uninterpreted</span>
<a name="l01006"></a>01006 <a class="code" href="classCVC3_1_1Theory.html#a917b117d28514f486b296568fcd1cfd1" title="Assigns t a concrete value val. Used in model generation.">assignValue</a>(<a class="code" href="classCVC3_1_1Theory.html#af860f5d5e01423628c97c399606916ff" title="==> a == a">reflexivityRule</a>(e));
<a name="l01007"></a>01007 } <span class="keywordflow">else</span> {
<a name="l01008"></a>01008 <span class="comment">// Bound var for the index</span>
<a name="l01009"></a>01009 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> ind(<a class="code" href="classCVC3_1_1Theory.html#abc2e30308c9e1f3cf752cfe8d939df1e" title="Access to ExprManager.">getEM</a>()->newBoundVarExpr(<span class="stringliteral">"arr_var"</span>, <a class="code" href="namespaceCVC3.html#af69618103f1f0f2eadada0796a2a940c">int2string</a>(count++)));
<a name="l01010"></a>01010 <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> tp(e.<a class="code" href="group__ExprPkg.html#ga42929221eb172250697b72c28af6de07" title="Get the type. Recursively compute if necessary.">getType</a>());
<a name="l01011"></a>01011 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="namespaceCVC3.html#abb990c58eff7370233a56098a732fc46">isArray</a>(tp) && tp.arity()==2,
<a name="l01012"></a>01012 <span class="stringliteral">"TheoryArray::computeModel(WRITE)"</span>);
<a name="l01013"></a>01013 ind.<a class="code" href="group__ExprPkg.html#ga07d47f902598e00097086deabf04d9c5" title="Set the cached type.">setType</a>(tp[0]);
<a name="l01014"></a>01014 <a class="code" href="classCVC3_1_1ExprHashMap.html">ExprHashMap<Expr>::iterator</a> i=reads.<a class="code" href="classCVC3_1_1ExprHashMap.html#a1a0ea7ed7eb73e3f08ccce9f29e90c71">begin</a>(), iend=reads.<a class="code" href="classCVC3_1_1ExprHashMap.html#a0ea2aa250fd1431c311d83f32862bba7">end</a>();
<a name="l01015"></a>01015 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(i!=iend,
<a name="l01016"></a>01016 <span class="stringliteral">"TheoryArray::computeModel(): expected the reads "</span>
<a name="l01017"></a>01017 <span class="stringliteral">"table be non-empty"</span>);
<a name="l01018"></a>01018 <span class="comment">// Use one of the concrete values as a default</span>
<a name="l01019"></a>01019 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> res((*i).second);
<a name="l01020"></a>01020 ++i;
<a name="l01021"></a>01021 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!res.<a class="code" href="group__ExprPkg.html#ga0265d1ca42fa59c95aaff3ca675b6504">isNull</a>(), <span class="stringliteral">"TheoryArray::computeModel()"</span>);
<a name="l01022"></a>01022 <span class="keywordflow">for</span>(; i!=iend; ++i) {
<a name="l01023"></a>01023 <span class="comment">// Optimization: if the current value is the same as that of the</span>
<a name="l01024"></a>01024 <span class="comment">// next application, skip this case; i.e. keep 'res' instead of</span>
<a name="l01025"></a>01025 <span class="comment">// building ite(cond, res, res).</span>
<a name="l01026"></a>01026 <span class="keywordflow">if</span>((*i).second == res) <span class="keywordflow">continue</span>;
<a name="l01027"></a>01027 <span class="comment">// ITE condition</span>
<a name="l01028"></a>01028 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> cond = ind.<a class="code" href="group__ExprPkg.html#gacb48495ca445c895f95d0c3c1ae2070b">eqExpr</a>((*i).first[1]);
<a name="l01029"></a>01029 res = cond.<a class="code" href="group__ExprPkg.html#ga5532cabad6f699c57da32a8db65a38da">iteExpr</a>((*i).second, res);
<a name="l01030"></a>01030 }
<a name="l01031"></a>01031 <span class="comment">// Construct the array literal</span>
<a name="l01032"></a>01032 res = <a class="code" href="namespaceCVC3.html#a6e5d3ff27d9ac5973d1f9f3ba7fbd5fb">arrayLiteral</a>(ind, res);
<a name="l01033"></a>01033 <a class="code" href="classCVC3_1_1Theory.html#a917b117d28514f486b296568fcd1cfd1" title="Assigns t a concrete value val. Used in model generation.">assignValue</a>(e, res);
<a name="l01034"></a>01034 }
<a name="l01035"></a>01035 <span class="keywordflow">break</span>;
<a name="l01036"></a>01036 }
<a name="l01037"></a>01037 }
<a name="l01038"></a>01038 }
<a name="l01039"></a>01039
<a name="l01040"></a>01040
<a name="l01041"></a><a class="code" href="classCVC3_1_1TheoryArray.html#a12999bb5404a778250daae90a72df6d1">01041</a> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="classCVC3_1_1TheoryArray.html#a12999bb5404a778250daae90a72df6d1" title="Compute and cache the TCC of e.">TheoryArray::computeTCC</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e)
<a name="l01042"></a>01042 {
<a name="l01043"></a>01043 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> tcc(<a class="code" href="group__Theory__API.html#ga9278ad3a6eb8351865a71acd7bb7f968" title="Compute and cache the TCC of e.">Theory::computeTCC</a>(e));
<a name="l01044"></a>01044 <span class="keywordflow">switch</span> (e.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>()) {
<a name="l01045"></a>01045 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781ab012911c4fabb7b8556925a0d61e9c8c">READ</a>:
<a name="l01046"></a>01046 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() == 2,<span class="stringliteral">""</span>);
<a name="l01047"></a>01047 <span class="keywordflow">return</span> tcc.<a class="code" href="group__ExprPkg.html#ga6c3651465ce69ed5f4e6fd461b9acf3c">andExpr</a>(<a class="code" href="classCVC3_1_1Theory.html#a39539e895f8aade88ae5bc05bbcc9302" title="Calls the correct theory to compute a type predicate.">getTypePred</a>(e[0].getType()[0], e[1]));
<a name="l01048"></a>01048 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a33b0829ff24c1e0d27de00d675267297">WRITE</a>: {
<a name="l01049"></a>01049 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() == 3,<span class="stringliteral">""</span>);
<a name="l01050"></a>01050 <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> arrType = e[0].<a class="code" href="group__ExprPkg.html#ga42929221eb172250697b72c28af6de07" title="Get the type. Recursively compute if necessary.">getType</a>();
<a name="l01051"></a>01051 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#aba1822f2d985b50f6405c290c3814c1a" title="==> AND(e1,e2) IFF [simplified expr]">rewriteAnd</a>(<a class="code" href="classCVC3_1_1Theory.html#a39539e895f8aade88ae5bc05bbcc9302" title="Calls the correct theory to compute a type predicate.">getTypePred</a>(arrType[0], e[1]).<a class="code" href="namespaceCVC3.html#ad4258158bba138eb54b9080af7f8223a">andExpr</a>
<a name="l01052"></a>01052 (<a class="code" href="classCVC3_1_1Theory.html#a39539e895f8aade88ae5bc05bbcc9302" title="Calls the correct theory to compute a type predicate.">getTypePred</a>(arrType[1], e[2])).<a class="code" href="namespaceCVC3.html#ad4258158bba138eb54b9080af7f8223a">andExpr</a>(tcc)).<a class="code" href="classCVC3_1_1Theorem.html#a97d957fcbf9094480851b1d2e5d3729f">getRHS</a>();
<a name="l01053"></a>01053 }
<a name="l01054"></a>01054 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a9e6a1f69d18953ab05c21b660abbb0f0">ARRAY_LITERAL</a>: {
<a name="l01055"></a>01055 <span class="keywordflow">return</span> tcc;
<a name="l01056"></a>01056 }
<a name="l01057"></a>01057 <span class="keywordflow">default</span>:
<a name="l01058"></a>01058 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<span class="keyword">false</span>,<span class="stringliteral">"TheoryArray::computeTCC: Unexpected expression: "</span>
<a name="l01059"></a>01059 +e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l01060"></a>01060 <span class="keywordflow">return</span> tcc;
<a name="l01061"></a>01061 }
<a name="l01062"></a>01062 }
<a name="l01063"></a>01063
<a name="l01064"></a>01064 <span class="comment"></span>
<a name="l01065"></a>01065 <span class="comment">///////////////////////////////////////////////////////////////////////////////</span>
<a name="l01066"></a>01066 <span class="comment"></span><span class="comment">// Pretty-printing //</span><span class="comment"></span>
<a name="l01067"></a>01067 <span class="comment">///////////////////////////////////////////////////////////////////////////////</span>
<a name="l01068"></a>01068 <span class="comment"></span>
<a name="l01069"></a>01069
<a name="l01070"></a><a class="code" href="theory__array_8cpp.html#a346b224a31a146e7e4a6e67010cedc99">01070</a> <span class="keywordtype">bool</span> <a class="code" href="theory__array_8cpp.html#a346b224a31a146e7e4a6e67010cedc99">debug_write</a> = <span class="keyword">false</span>;
<a name="l01071"></a>01071
<a name="l01072"></a><a class="code" href="classCVC3_1_1TheoryArray.html#adf21a7b23c771ff5b9a9da1b84810127">01072</a> <a class="code" href="classCVC3_1_1ExprStream.html" title="Pretty-printing output stream for Expr. READ THE DOCS BEFORE USING!">ExprStream</a>& <a class="code" href="classCVC3_1_1TheoryArray.html#adf21a7b23c771ff5b9a9da1b84810127" title="Theory-specific pretty-printing.">TheoryArray::print</a>(<a class="code" href="classCVC3_1_1ExprStream.html" title="Pretty-printing output stream for Expr. READ THE DOCS BEFORE USING!">ExprStream</a>& os, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e)
<a name="l01073"></a>01073 {
<a name="l01074"></a>01074 <a class="code" href="classCVC3_1_1Theory.html#a262fdc338527489b376ec181ecc38ddc">d_theoryUsed</a> = <span class="keyword">true</span>;
<a name="l01075"></a>01075 <span class="keywordflow">if</span> (<a class="code" href="classCVC3_1_1Theory.html#a90684d2a97738341c00f8f9c99af7b66" title="Get a pointer to theoryCore.">theoryCore</a>()->getTranslator()->printArrayExpr(os, e)) <span class="keywordflow">return</span> os;
<a name="l01076"></a>01076 <span class="keywordflow">switch</span>(os.<a class="code" href="classCVC3_1_1ExprStream.html#ac2b2872228aff3fd5d08bbd69c672543" title="Get the current output language.">lang</a>()) {
<a name="l01077"></a>01077 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a3aaaf7bc1fc47a4860ef6e59ddb0db0eaa315c228d5c3290ce37df81524ed8e9a" title="Nice SAL-like language for manually written specs.">PRESENTATION_LANG</a>:
<a name="l01078"></a>01078 <span class="keywordflow">switch</span>(e.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>()) {
<a name="l01079"></a>01079 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781ab012911c4fabb7b8556925a0d61e9c8c">READ</a>:
<a name="l01080"></a>01080 <span class="keywordflow">if</span>(e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() == 1)
<a name="l01081"></a>01081 os << <span class="stringliteral">"["</span> << <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a> << e[0] << <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a> << <span class="stringliteral">"]"</span>;
<a name="l01082"></a>01082 <span class="keywordflow">else</span>
<a name="l01083"></a>01083 os << e[0] << <span class="stringliteral">"["</span> << <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a> << e[1] << <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a> << <span class="stringliteral">"]"</span>;
<a name="l01084"></a>01084 <span class="keywordflow">break</span>;
<a name="l01085"></a>01085 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a33b0829ff24c1e0d27de00d675267297">WRITE</a>:
<a name="l01086"></a>01086 <a class="code" href="debug_8h.html#a600cb2d68efe7cc413cccbb5714c7016">IF_DEBUG</a>(
<a name="l01087"></a>01087 <span class="keywordflow">if</span> (<a class="code" href="theory__array_8cpp.html#a346b224a31a146e7e4a6e67010cedc99">debug_write</a>) {
<a name="l01088"></a>01088 os << <span class="stringliteral">"w("</span> << push << e[0] << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << <span class="stringliteral">", "</span>
<a name="l01089"></a>01089 << push << e[1] << <span class="stringliteral">", "</span> << push << e[2] << push << <span class="stringliteral">")"</span>;
<a name="l01090"></a>01090 <span class="keywordflow">break</span>;
<a name="l01091"></a>01091 }
<a name="l01092"></a>01092 )
<a name="l01093"></a>01093 os << <span class="stringliteral">"("</span> << push << e[0] << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << <span class="stringliteral">"WITH ["</span>
<a name="l01094"></a>01094 << push << e[1] << <span class="stringliteral">"] := "</span> << push << e[2] << push << <span class="stringliteral">")"</span>;
<a name="l01095"></a>01095 <span class="keywordflow">break</span>;
<a name="l01096"></a>01096 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a8aa48defeac37f699364f71fe54f39ee">ARRAY</a>:
<a name="l01097"></a>01097 os << <span class="stringliteral">"(ARRAY"</span> << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << e[0] << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << <span class="stringliteral">"OF"</span> << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << e[1] << <span class="stringliteral">")"</span>;
<a name="l01098"></a>01098 <span class="keywordflow">break</span>;
<a name="l01099"></a>01099 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a9e6a1f69d18953ab05c21b660abbb0f0">ARRAY_LITERAL</a>:
<a name="l01100"></a>01100 <span class="keywordflow">if</span>(e.isClosure()) {
<a name="l01101"></a>01101 <span class="keyword">const</span> vector<Expr>& vars = e.getVars();
<a name="l01102"></a>01102 <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& body = e.<a class="code" href="group__ExprPkg.html#ga9060193194020fee3dac69ed1876a940" title="Get the body of the closure Expr.">getBody</a>();
<a name="l01103"></a>01103 os << <span class="stringliteral">"("</span> << push << <span class="stringliteral">"ARRAY"</span> << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << <span class="stringliteral">"("</span> << <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a>;
<a name="l01104"></a>01104 <span class="keywordtype">bool</span> first(<span class="keyword">true</span>);
<a name="l01105"></a>01105 <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i=0; i<vars.size(); ++i) {
<a name="l01106"></a>01106 <span class="keywordflow">if</span>(first) first=<span class="keyword">false</span>;
<a name="l01107"></a>01107 <span class="keywordflow">else</span> os << push << <span class="stringliteral">","</span> << <a class="code" href="group__ExprStream__Manip.html#gaddb050a787be87116afc51791293d3be" title="Restore the indentation.">pop</a> << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a>;
<a name="l01108"></a>01108 os << vars[i];
<a name="l01109"></a>01109 <span class="keywordflow">if</span>(vars[i].isVar())
<a name="l01110"></a>01110 os << <span class="stringliteral">":"</span> << space << <a class="code" href="group__ExprStream__Manip.html#ga1475185296de10fdbe07f0b498e8ed36">pushdag</a> << vars[i].getType() << <a class="code" href="group__ExprStream__Manip.html#ga07ae0c39b4082065891134536f2fa91c">popdag</a>;
<a name="l01111"></a>01111 }
<a name="l01112"></a>01112 os << push << <span class="stringliteral">"):"</span> << <a class="code" href="group__ExprStream__Manip.html#gaddb050a787be87116afc51791293d3be" title="Restore the indentation.">pop</a> << <a class="code" href="group__ExprStream__Manip.html#gaddb050a787be87116afc51791293d3be" title="Restore the indentation.">pop</a> << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << body << push << <span class="stringliteral">")"</span>;
<a name="l01113"></a>01113 } <span class="keywordflow">else</span>
<a name="l01114"></a>01114 e.<a class="code" href="group__ExprPkg.html#ga092308b0a88e12a5c7ff2fc0a2eca818" title="Print the top node and then recurse through the children */.">printAST</a>(os);
<a name="l01115"></a>01115 <span class="keywordflow">break</span>;
<a name="l01116"></a>01116 <span class="keywordflow">default</span>:
<a name="l01117"></a>01117 <span class="comment">// Print the top node in the default LISP format, continue with</span>
<a name="l01118"></a>01118 <span class="comment">// pretty-printing for children.</span>
<a name="l01119"></a>01119 e.printAST(os);
<a name="l01120"></a>01120 }
<a name="l01121"></a>01121 <span class="keywordflow">break</span>; <span class="comment">// end of case PRESENTATION_LANGUAGE</span>
<a name="l01122"></a>01122 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a3aaaf7bc1fc47a4860ef6e59ddb0db0ea548619427a4d459d859ccd041ced9bfa" title="SMT-LIB format.">SMTLIB_LANG</a>:
<a name="l01123"></a>01123 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a3aaaf7bc1fc47a4860ef6e59ddb0db0eaed2643c62e36b9b222804a1ab5b4809e" title="SMT-LIB v2 format.">SMTLIB_V2_LANG</a>:
<a name="l01124"></a>01124 <span class="keywordflow">switch</span>(e.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>()) {
<a name="l01125"></a>01125 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781ab012911c4fabb7b8556925a0d61e9c8c">READ</a>:
<a name="l01126"></a>01126 <span class="keywordflow">if</span>(e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() == 2)
<a name="l01127"></a>01127 os << <span class="stringliteral">"("</span> << <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a> << <span class="stringliteral">"select"</span> << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << e[0]
<a name="l01128"></a>01128 << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << e[1] << <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a> << <span class="stringliteral">")"</span>;
<a name="l01129"></a>01129 <span class="keywordflow">else</span>
<a name="l01130"></a>01130 e.<a class="code" href="group__ExprPkg.html#ga092308b0a88e12a5c7ff2fc0a2eca818" title="Print the top node and then recurse through the children */.">printAST</a>(os);
<a name="l01131"></a>01131 <span class="keywordflow">break</span>;
<a name="l01132"></a>01132 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a33b0829ff24c1e0d27de00d675267297">WRITE</a>:
<a name="l01133"></a>01133 <span class="keywordflow">if</span>(e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() == 3)
<a name="l01134"></a>01134 os << <span class="stringliteral">"("</span> << <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a> << <span class="stringliteral">"store"</span> << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << e[0]
<a name="l01135"></a>01135 << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << e[1] << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << e[2] << <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a> << <span class="stringliteral">")"</span>;
<a name="l01136"></a>01136 <span class="keywordflow">else</span>
<a name="l01137"></a>01137 e.<a class="code" href="group__ExprPkg.html#ga092308b0a88e12a5c7ff2fc0a2eca818" title="Print the top node and then recurse through the children */.">printAST</a>(os);
<a name="l01138"></a>01138 <span class="keywordflow">break</span>;
<a name="l01139"></a>01139 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a8aa48defeac37f699364f71fe54f39ee">ARRAY</a>:
<a name="l01140"></a>01140 <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1SmtlibException.html">SmtlibException</a>(<span class="stringliteral">"ARRAY should be handled by printArrayExpr"</span>);
<a name="l01141"></a>01141 <span class="keywordflow">break</span>;
<a name="l01142"></a>01142 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a9e6a1f69d18953ab05c21b660abbb0f0">ARRAY_LITERAL</a>:
<a name="l01143"></a>01143 <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1SmtlibException.html">SmtlibException</a>(<span class="stringliteral">"SMT-LIB does not support ARRAY literals.\n"</span>
<a name="l01144"></a>01144 <span class="stringliteral">"Suggestion: use command-line flag:\n"</span>
<a name="l01145"></a>01145 <span class="stringliteral">" -output-lang presentation"</span>);
<a name="l01146"></a>01146 e.<a class="code" href="group__ExprPkg.html#ga092308b0a88e12a5c7ff2fc0a2eca818" title="Print the top node and then recurse through the children */.">printAST</a>(os);
<a name="l01147"></a>01147 <span class="keywordflow">default</span>:
<a name="l01148"></a>01148 <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1SmtlibException.html">SmtlibException</a>(<span class="stringliteral">"TheoryArray::print: default not supported"</span>);
<a name="l01149"></a>01149 <span class="comment">// Print the top node in the default LISP format, continue with</span>
<a name="l01150"></a>01150 <span class="comment">// pretty-printing for children.</span>
<a name="l01151"></a>01151 e.<a class="code" href="group__ExprPkg.html#ga092308b0a88e12a5c7ff2fc0a2eca818" title="Print the top node and then recurse through the children */.">printAST</a>(os);
<a name="l01152"></a>01152 }
<a name="l01153"></a>01153 <span class="keywordflow">break</span>; <span class="comment">// end of case LISP_LANGUAGE</span>
<a name="l01154"></a>01154 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a3aaaf7bc1fc47a4860ef6e59ddb0db0ea00df691ed79361b36910e60b49824c35" title="Lisp-like format for automatically generated specs.">LISP_LANG</a>:
<a name="l01155"></a>01155 <span class="keywordflow">switch</span>(e.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>()) {
<a name="l01156"></a>01156 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781ab012911c4fabb7b8556925a0d61e9c8c">READ</a>:
<a name="l01157"></a>01157 <span class="keywordflow">if</span>(e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() == 2)
<a name="l01158"></a>01158 os << <span class="stringliteral">"("</span> << <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a> << <span class="stringliteral">"READ"</span> << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << e[0]
<a name="l01159"></a>01159 << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << e[1] << <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a> << <span class="stringliteral">")"</span>;
<a name="l01160"></a>01160 <span class="keywordflow">else</span>
<a name="l01161"></a>01161 e.<a class="code" href="group__ExprPkg.html#ga092308b0a88e12a5c7ff2fc0a2eca818" title="Print the top node and then recurse through the children */.">printAST</a>(os);
<a name="l01162"></a>01162 <span class="keywordflow">break</span>;
<a name="l01163"></a>01163 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a33b0829ff24c1e0d27de00d675267297">WRITE</a>:
<a name="l01164"></a>01164 <span class="keywordflow">if</span>(e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() == 3)
<a name="l01165"></a>01165 os << <span class="stringliteral">"("</span> << <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a> << <span class="stringliteral">"WRITE"</span> << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << e[0]
<a name="l01166"></a>01166 << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << e[1] << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << e[2] << <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a> << <span class="stringliteral">")"</span>;
<a name="l01167"></a>01167 <span class="keywordflow">else</span>
<a name="l01168"></a>01168 e.<a class="code" href="group__ExprPkg.html#ga092308b0a88e12a5c7ff2fc0a2eca818" title="Print the top node and then recurse through the children */.">printAST</a>(os);
<a name="l01169"></a>01169 <span class="keywordflow">break</span>;
<a name="l01170"></a>01170 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a8aa48defeac37f699364f71fe54f39ee">ARRAY</a>:
<a name="l01171"></a>01171 os << <span class="stringliteral">"("</span> << <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a> << <span class="stringliteral">"ARRAY"</span> << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << e[0]
<a name="l01172"></a>01172 << <a class="code" href="group__ExprStream__Manip.html#ga02670eb229648e9e2d888f21f91b6810" title="Insert a single white space separator.">space</a> << e[1] << <a class="code" href="group__ExprStream__Manip.html#ga2a0348c6d3f94f2f8febc6dd0a9c3218" title="Set the indentation to the current position.">push</a> << <span class="stringliteral">")"</span>;
<a name="l01173"></a>01173 <span class="keywordflow">break</span>;
<a name="l01174"></a>01174 <span class="keywordflow">default</span>:
<a name="l01175"></a>01175 <span class="comment">// Print the top node in the default LISP format, continue with</span>
<a name="l01176"></a>01176 <span class="comment">// pretty-printing for children.</span>
<a name="l01177"></a>01177 e.<a class="code" href="group__ExprPkg.html#ga092308b0a88e12a5c7ff2fc0a2eca818" title="Print the top node and then recurse through the children */.">printAST</a>(os);
<a name="l01178"></a>01178 }
<a name="l01179"></a>01179 <span class="keywordflow">break</span>; <span class="comment">// end of case LISP_LANGUAGE</span>
<a name="l01180"></a>01180 <span class="keywordflow">default</span>:
<a name="l01181"></a>01181 <span class="comment">// Print the top node in the default LISP format, continue with</span>
<a name="l01182"></a>01182 <span class="comment">// pretty-printing for children.</span>
<a name="l01183"></a>01183 e.<a class="code" href="group__ExprPkg.html#ga092308b0a88e12a5c7ff2fc0a2eca818" title="Print the top node and then recurse through the children */.">printAST</a>(os);
<a name="l01184"></a>01184 }
<a name="l01185"></a>01185 <span class="keywordflow">return</span> os;
<a name="l01186"></a>01186 }
<a name="l01187"></a>01187 <span class="comment"></span>
<a name="l01188"></a>01188 <span class="comment">//////////////////////////////////////////////////////////////////////////////</span>
<a name="l01189"></a>01189 <span class="comment"></span><span class="comment">//parseExprOp:</span>
<a name="l01190"></a>01190 <span class="comment">//translating special Exprs to regular EXPR??</span><span class="comment"></span>
<a name="l01191"></a>01191 <span class="comment">///////////////////////////////////////////////////////////////////////////////</span>
<a name="l01192"></a>01192 <span class="comment"></span><a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>
<a name="l01193"></a><a class="code" href="classCVC3_1_1TheoryArray.html#ad034351d6763b4cdc9bf87f52a97e98c">01193</a> <a class="code" href="classCVC3_1_1TheoryArray.html#ad034351d6763b4cdc9bf87f52a97e98c" title="Theory-specific parsing implemented by the DP.">TheoryArray::parseExprOp</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e) {
<a name="l01194"></a>01194 <span class="comment">// TRACE("parser", "TheoryArray::parseExprOp(", e, ")");</span>
<a name="l01195"></a>01195 <span class="comment">// If the expression is not a list, it must have been already</span>
<a name="l01196"></a>01196 <span class="comment">// parsed, so just return it as is.</span>
<a name="l01197"></a>01197 <span class="keywordflow">if</span>(<a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba60238049e233c8d68fc58e4d5ceb55e2">RAW_LIST</a> != e.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>()) <span class="keywordflow">return</span> e;
<a name="l01198"></a>01198
<a name="l01199"></a>01199 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() > 0,
<a name="l01200"></a>01200 <span class="stringliteral">"TheoryArray::parseExprOp:\n e = "</span>+e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l01201"></a>01201
<a name="l01202"></a>01202 <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& c1 = e[0][0];
<a name="l01203"></a>01203 <span class="keywordtype">int</span> kind = <a class="code" href="classCVC3_1_1Theory.html#abc2e30308c9e1f3cf752cfe8d939df1e" title="Access to ExprManager.">getEM</a>()-><a class="code" href="group__EM__Priv.html#ga9e7929fab9329724812e74b066a3c90a" title="Return a kind associated with a name. Returns NULL_KIND if not found.">getKind</a>(c1.getString());
<a name="l01204"></a>01204 <span class="keywordflow">switch</span>(kind) {
<a name="l01205"></a>01205 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781ab012911c4fabb7b8556925a0d61e9c8c">READ</a>:
<a name="l01206"></a>01206 <span class="keywordflow">if</span>(!(e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() == 3))
<a name="l01207"></a>01207 <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1ParserException.html">ParserException</a>(<span class="stringliteral">"Bad array access expression: "</span>+e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l01208"></a>01208 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>(<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781ab012911c4fabb7b8556925a0d61e9c8c">READ</a>, <a class="code" href="classCVC3_1_1Theory.html#abd5a64ee867dda0c216a04e9fc7fbd6c" title="Parse the generic expression.">parseExpr</a>(e[1]), <a class="code" href="classCVC3_1_1Theory.html#abd5a64ee867dda0c216a04e9fc7fbd6c" title="Parse the generic expression.">parseExpr</a>(e[2]));
<a name="l01209"></a>01209 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a33b0829ff24c1e0d27de00d675267297">WRITE</a>:
<a name="l01210"></a>01210 <span class="keywordflow">if</span>(!(e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() == 4))
<a name="l01211"></a>01211 <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1ParserException.html">ParserException</a>(<span class="stringliteral">"Bad array update expression: "</span>+e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l01212"></a>01212 <span class="keywordflow">return</span> Expr(<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a33b0829ff24c1e0d27de00d675267297">WRITE</a>, <a class="code" href="classCVC3_1_1Theory.html#abd5a64ee867dda0c216a04e9fc7fbd6c" title="Parse the generic expression.">parseExpr</a>(e[1]), <a class="code" href="classCVC3_1_1Theory.html#abd5a64ee867dda0c216a04e9fc7fbd6c" title="Parse the generic expression.">parseExpr</a>(e[2]), <a class="code" href="classCVC3_1_1Theory.html#abd5a64ee867dda0c216a04e9fc7fbd6c" title="Parse the generic expression.">parseExpr</a>(e[3]));
<a name="l01213"></a>01213 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a8aa48defeac37f699364f71fe54f39ee">ARRAY</a>: {
<a name="l01214"></a>01214 vector<Expr> k;
<a name="l01215"></a>01215 <a class="code" href="classCVC3_1_1Expr_1_1iterator.html">Expr::iterator</a> i = e.<a class="code" href="group__ExprPkg.html#gac890e13db184610276fc533fa4b4fe99" title="Begin iterator.">begin</a>(), iend=e.<a class="code" href="group__ExprPkg.html#gaf6048a5030c8fa2511bf5dfee868e653" title="End iterator.">end</a>();
<a name="l01216"></a>01216 <span class="comment">// Skip first element of the vector of kids in 'e'.</span>
<a name="l01217"></a>01217 <span class="comment">// The first element is the operator.</span>
<a name="l01218"></a>01218 ++i;
<a name="l01219"></a>01219 <span class="comment">// Parse the kids of e and push them into the vector 'k'</span>
<a name="l01220"></a>01220 <span class="keywordflow">for</span>(; i!=iend; ++i)
<a name="l01221"></a>01221 k.push_back(<a class="code" href="classCVC3_1_1Theory.html#abd5a64ee867dda0c216a04e9fc7fbd6c" title="Parse the generic expression.">parseExpr</a>(*i));
<a name="l01222"></a>01222 <span class="keywordflow">return</span> Expr(kind, k, e.<a class="code" href="group__ExprPkg.html#gab57ce3dfa78947a906241d090c7cf34d">getEM</a>());
<a name="l01223"></a>01223 <span class="keywordflow">break</span>;
<a name="l01224"></a>01224 }
<a name="l01225"></a>01225 <span class="keywordflow">case</span> <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a9e6a1f69d18953ab05c21b660abbb0f0">ARRAY_LITERAL</a>: { <span class="comment">// (ARRAY (v tp1) body)</span>
<a name="l01226"></a>01226 <span class="keywordflow">if</span>(!(e.<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() == 3 && e[1].<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>() == <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba60238049e233c8d68fc58e4d5ceb55e2">RAW_LIST</a> && e[1].<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>() == 2))
<a name="l01227"></a>01227 <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1ParserException.html">ParserException</a>(<span class="stringliteral">"Bad ARRAY literal expression: "</span>+e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l01228"></a>01228 <span class="keyword">const</span> Expr& varPair = e[1];
<a name="l01229"></a>01229 <span class="keywordflow">if</span>(varPair.getKind() != <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba60238049e233c8d68fc58e4d5ceb55e2">RAW_LIST</a>)
<a name="l01230"></a>01230 <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1ParserException.html">ParserException</a>(<span class="stringliteral">"Bad variable declaration block in ARRAY "</span>
<a name="l01231"></a>01231 <span class="stringliteral">"literal expression: "</span>+varPair.toString()+
<a name="l01232"></a>01232 <span class="stringliteral">"\n e = "</span>+e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l01233"></a>01233 <span class="keywordflow">if</span>(varPair[0].getKind() != <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba001479a58fb44c39a29b20d565081a68" title="Identifier is (ID (STRING_EXPR "name"))">ID</a>)
<a name="l01234"></a>01234 <span class="keywordflow">throw</span> <a class="code" href="classCVC3_1_1ParserException.html">ParserException</a>(<span class="stringliteral">"Bad variable declaration in ARRAY"</span>
<a name="l01235"></a>01235 <span class="stringliteral">"literal expression: "</span>+varPair.toString()+
<a name="l01236"></a>01236 <span class="stringliteral">"\n e = "</span>+e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l01237"></a>01237 <a class="code" href="classCVC3_1_1Type.html" title="MS C++ specific settings.">Type</a> varTp(<a class="code" href="classCVC3_1_1Theory.html#abd5a64ee867dda0c216a04e9fc7fbd6c" title="Parse the generic expression.">parseExpr</a>(varPair[1]));
<a name="l01238"></a>01238 vector<Expr> var;
<a name="l01239"></a>01239 var.push_back(<a class="code" href="classCVC3_1_1Theory.html#a13ba9024a22362cc96760519a84f2316" title="Create and add a new bound variable to the stack, for parseExprOp().">addBoundVar</a>(varPair[0][0].getString(), varTp));
<a name="l01240"></a>01240 Expr body(<a class="code" href="classCVC3_1_1Theory.html#abd5a64ee867dda0c216a04e9fc7fbd6c" title="Parse the generic expression.">parseExpr</a>(e[2]));
<a name="l01241"></a>01241 <span class="comment">// Build the resulting Expr as (LAMBDA (vars) body)</span>
<a name="l01242"></a>01242 <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Theory.html#abc2e30308c9e1f3cf752cfe8d939df1e" title="Access to ExprManager.">getEM</a>()-><a class="code" href="group__EM__Priv.html#ga0d2ff7603a249b30b2df4e549607ad6e">newClosureExpr</a>(<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a9e6a1f69d18953ab05c21b660abbb0f0">ARRAY_LITERAL</a>, var, body);
<a name="l01243"></a>01243 <span class="keywordflow">break</span>;
<a name="l01244"></a>01244 }
<a name="l01245"></a>01245 <span class="keywordflow">default</span>:
<a name="l01246"></a>01246 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<span class="keyword">false</span>,
<a name="l01247"></a>01247 <span class="stringliteral">"TheoryArray::parseExprOp: wrong type: "</span>
<a name="l01248"></a>01248 + e.<a class="code" href="group__ExprPkg.html#gaf3028bb1619f8cc69b66ec712e1adb54" title="Print the expression to a string.">toString</a>());
<a name="l01249"></a>01249 <span class="keywordflow">break</span>;
<a name="l01250"></a>01250 }
<a name="l01251"></a>01251 <span class="keywordflow">return</span> e;
<a name="l01252"></a>01252 }
<a name="l01253"></a>01253
<a name="l01254"></a><a class="code" href="classCVC3_1_1TheoryArray.html#a65788bb10c3773a50889d1f992355a4c">01254</a> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="classCVC3_1_1TheoryArray.html#a65788bb10c3773a50889d1f992355a4c">TheoryArray::getBaseArray</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e)<span class="keyword"> const </span>{
<a name="l01255"></a>01255 <span class="keywordflow">if</span> (e.<a class="code" href="group__ExprPkg.html#ga7814e4f55f65c7ca860c637413df5f4d">getKind</a>() == <a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a33b0829ff24c1e0d27de00d675267297">WRITE</a>) <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1TheoryArray.html#a65788bb10c3773a50889d1f992355a4c">getBaseArray</a>(e[0]);
<a name="l01256"></a>01256 <span class="keywordflow">return</span> e;
<a name="l01257"></a>01257 }
<a name="l01258"></a>01258
<a name="l01259"></a>01259 <span class="keyword">namespace </span>CVC3 {
<a name="l01260"></a>01260
<a name="l01261"></a><a class="code" href="namespaceCVC3.html#a6e5d3ff27d9ac5973d1f9f3ba7fbd5fb">01261</a> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="namespaceCVC3.html#a6e5d3ff27d9ac5973d1f9f3ba7fbd5fb">arrayLiteral</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& ind, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& body) {
<a name="l01262"></a>01262 vector<Expr> vars;
<a name="l01263"></a>01263 vars.push_back(ind);
<a name="l01264"></a>01264 <span class="keywordflow">return</span> body.<a class="code" href="group__ExprPkg.html#gab57ce3dfa78947a906241d090c7cf34d">getEM</a>()-><a class="code" href="group__EM__Priv.html#ga0d2ff7603a249b30b2df4e549607ad6e">newClosureExpr</a>(<a class="code" href="namespaceCVC3.html#a83fde65f6cf7f65c3e5c02c9a108d781a9e6a1f69d18953ab05c21b660abbb0f0">ARRAY_LITERAL</a>, vars, body);
<a name="l01265"></a>01265 }
<a name="l01266"></a>01266
<a name="l01267"></a>01267 } <span class="comment">// end of namespace CVC3</span>
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