java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/array-tiling/pnr5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:38:11,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:38:11,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:38:11,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:38:11,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:38:11,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:38:11,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:38:11,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:38:11,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:38:11,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:38:11,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:38:11,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:38:11,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:38:11,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:38:11,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:38:11,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:38:11,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:38:11,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:38:11,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:38:11,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:38:11,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:38:11,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:38:11,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:38:11,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:38:11,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 01:38:11,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:38:11,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:38:11,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:38:11,774 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:38:11,799 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:38:11,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:38:11,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:38:11,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:38:11,801 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:38:11,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:38:11,801 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:38:11,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:38:11,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:38:11,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:38:11,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:38:11,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:38:11,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:38:11,802 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:38:11,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:38:11,803 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:38:11,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:38:11,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:38:11,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:38:11,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:38:11,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:38:11,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:38:11,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:38:11,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:38:11,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:38:11,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:38:11,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:38:11,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:38:11,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 01:38:12,076 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:38:12,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:38:12,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:38:12,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:38:12,103 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:38:12,103 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/pnr5.c [2019-10-15 01:38:12,169 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58990e856/ef49a24218a944f9a27feba0f362db9b/FLAG9c25ac872 [2019-10-15 01:38:12,657 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:38:12,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/pnr5.c [2019-10-15 01:38:12,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58990e856/ef49a24218a944f9a27feba0f362db9b/FLAG9c25ac872 [2019-10-15 01:38:13,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58990e856/ef49a24218a944f9a27feba0f362db9b [2019-10-15 01:38:13,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:38:13,017 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:38:13,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:38:13,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:38:13,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:38:13,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:38:13" (1/1) ... [2019-10-15 01:38:13,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630ab025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:13, skipping insertion in model container [2019-10-15 01:38:13,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:38:13" (1/1) ... [2019-10-15 01:38:13,033 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:38:13,053 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:38:13,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:38:13,247 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:38:13,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:38:13,376 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:38:13,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:13 WrapperNode [2019-10-15 01:38:13,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:38:13,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:38:13,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:38:13,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:38:13,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:13" (1/1) ... [2019-10-15 01:38:13,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:13" (1/1) ... [2019-10-15 01:38:13,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:13" (1/1) ... [2019-10-15 01:38:13,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:13" (1/1) ... [2019-10-15 01:38:13,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:13" (1/1) ... [2019-10-15 01:38:13,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:13" (1/1) ... [2019-10-15 01:38:13,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:13" (1/1) ... [2019-10-15 01:38:13,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:38:13,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:38:13,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:38:13,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:38:13,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:38:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:38:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:38:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 01:38:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2019-10-15 01:38:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:38:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:38:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 01:38:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 01:38:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:38:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:38:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2019-10-15 01:38:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:38:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:38:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:38:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:38:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:38:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:38:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:38:14,015 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:38:14,015 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-15 01:38:14,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:38:14 BoogieIcfgContainer [2019-10-15 01:38:14,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:38:14,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:38:14,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:38:14,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:38:14,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:38:13" (1/3) ... [2019-10-15 01:38:14,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb4850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:38:14, skipping insertion in model container [2019-10-15 01:38:14,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:13" (2/3) ... [2019-10-15 01:38:14,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb4850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:38:14, skipping insertion in model container [2019-10-15 01:38:14,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:38:14" (3/3) ... [2019-10-15 01:38:14,025 INFO L109 eAbstractionObserver]: Analyzing ICFG pnr5.c [2019-10-15 01:38:14,036 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:38:14,045 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:38:14,057 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:38:14,083 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:38:14,084 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:38:14,084 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:38:14,084 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:38:14,084 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:38:14,085 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:38:14,085 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:38:14,085 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:38:14,104 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2019-10-15 01:38:14,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-15 01:38:14,111 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:38:14,112 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:38:14,114 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:38:14,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:38:14,120 INFO L82 PathProgramCache]: Analyzing trace with hash 939756021, now seen corresponding path program 1 times [2019-10-15 01:38:14,128 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:38:14,129 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330807507] [2019-10-15 01:38:14,129 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:38:14,130 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:38:14,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:38:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:38:14,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:38:14,481 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330807507] [2019-10-15 01:38:14,483 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:38:14,483 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:38:14,484 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405276858] [2019-10-15 01:38:14,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:38:14,491 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:38:14,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:38:14,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:38:14,510 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 4 states. [2019-10-15 01:38:14,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:38:14,700 INFO L93 Difference]: Finished difference Result 64 states and 79 transitions. [2019-10-15 01:38:14,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:38:14,702 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-10-15 01:38:14,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:38:14,712 INFO L225 Difference]: With dead ends: 64 [2019-10-15 01:38:14,712 INFO L226 Difference]: Without dead ends: 40 [2019-10-15 01:38:14,716 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:38:14,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-10-15 01:38:14,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 30. [2019-10-15 01:38:14,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-15 01:38:14,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2019-10-15 01:38:14,783 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 13 [2019-10-15 01:38:14,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:38:14,783 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2019-10-15 01:38:14,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:38:14,784 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2019-10-15 01:38:14,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-15 01:38:14,786 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:38:14,786 INFO L380 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:38:14,786 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:38:14,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:38:14,787 INFO L82 PathProgramCache]: Analyzing trace with hash 280844891, now seen corresponding path program 1 times [2019-10-15 01:38:14,787 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:38:14,788 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935241142] [2019-10-15 01:38:14,788 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:38:14,788 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:38:14,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:38:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:38:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 01:38:15,488 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935241142] [2019-10-15 01:38:15,488 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850014773] [2019-10-15 01:38:15,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:38:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:38:15,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 22 conjunts are in the unsatisfiable core [2019-10-15 01:38:15,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:38:15,725 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2019-10-15 01:38:15,726 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:38:15,760 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:38:15,774 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2019-10-15 01:38:15,775 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 01:38:15,808 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:38:15,810 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-15 01:38:15,810 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:57, output treesize:46 [2019-10-15 01:38:15,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:15,890 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:15,902 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2019-10-15 01:38:15,903 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:38:15,911 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:15,916 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2019-10-15 01:38:15,918 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 01:38:15,956 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:38:15,957 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-15 01:38:15,958 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:83, output treesize:72 [2019-10-15 01:38:16,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:16,038 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,040 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,042 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,054 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 58 [2019-10-15 01:38:16,055 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:38:16,066 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,068 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,069 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,074 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 54 [2019-10-15 01:38:16,076 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 01:38:16,116 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:38:16,118 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-15 01:38:16,119 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:109, output treesize:98 [2019-10-15 01:38:16,204 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:16,223 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,225 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,230 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,232 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,233 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,253 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 74 [2019-10-15 01:38:16,256 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:38:16,269 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,270 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,274 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,276 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,283 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 70 [2019-10-15 01:38:16,287 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 01:38:16,337 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:38:16,338 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-15 01:38:16,339 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:135, output treesize:124 [2019-10-15 01:38:16,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:16,462 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,464 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,465 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,466 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,468 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,469 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,470 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,472 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,473 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,474 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,500 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 67 [2019-10-15 01:38:16,502 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:38:16,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,521 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:16,529 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 66 [2019-10-15 01:38:16,531 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 01:38:16,572 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:38:16,574 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-15 01:38:16,576 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:118, output treesize:104 [2019-10-15 01:38:16,692 INFO L341 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2019-10-15 01:38:16,692 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 56 treesize of output 24 [2019-10-15 01:38:16,693 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:38:16,697 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:38:16,697 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-15 01:38:16,697 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:59, output treesize:8 [2019-10-15 01:38:16,730 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:16,782 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 01:38:16,782 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:38:16,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:16,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:16,897 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:16,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:16,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:16,987 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2019-10-15 01:38:16,996 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2019-10-15 01:38:16,997 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-10-15 01:38:17,013 INFO L567 ElimStorePlain]: treesize reduction 15, result has 44.4 percent of original size [2019-10-15 01:38:17,014 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-15 01:38:17,021 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:38:17,024 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2019-10-15 01:38:17,030 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2019-10-15 01:38:17,031 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-10-15 01:38:17,047 INFO L567 ElimStorePlain]: treesize reduction 10, result has 56.5 percent of original size [2019-10-15 01:38:17,047 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-10-15 01:38:17,055 INFO L567 ElimStorePlain]: treesize reduction 12, result has 52.0 percent of original size [2019-10-15 01:38:17,056 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-10-15 01:38:17,057 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:37, output treesize:13 [2019-10-15 01:38:17,112 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 01:38:17,113 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1170772700] [2019-10-15 01:38:17,138 INFO L162 IcfgInterpreter]: Started Sifa with 26 locations of interest [2019-10-15 01:38:17,139 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 01:38:17,145 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 01:38:17,152 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 01:38:17,153 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 01:38:17,309 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-15 01:38:17,508 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 01:38:17,590 WARN L225 Elim1Store]: Array PQE input equivalent to false