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/reducercommutativity/rangesum40.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:20:19,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:20:19,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:20:19,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:20:19,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:20:19,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:20:19,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:20:19,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:20:19,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:20:19,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:20:19,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:20:19,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:20:19,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:20:19,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:20:19,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:20:19,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:20:19,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:20:19,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:20:19,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:20:19,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:20:19,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:20:19,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:20:19,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:20:19,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:20:19,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 23:20:19,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:20:19,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:20:19,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:20:19,768 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 [2019-10-13 23:20:19,800 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:20:19,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:20:19,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:20:19,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:20:19,805 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:20:19,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:20:19,806 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:20:19,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:20:19,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:20:19,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:20:19,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:20:19,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:20:19,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:20:19,807 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:20:19,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:20:19,807 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:20:19,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:20:19,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:20:19,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:20:19,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:20:19,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:20:19,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:20:19,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:20:19,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:20:19,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:20:19,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:20:19,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:20:19,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:20:19,812 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 [2019-10-13 23:20:20,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:20:20,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:20:20,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:20:20,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:20:20,102 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:20:20,103 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/rangesum40.i [2019-10-13 23:20:20,167 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd537a447/a8fefc9773c14e429dea335ebe44fe81/FLAG5121fa0d8 [2019-10-13 23:20:20,683 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:20:20,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/rangesum40.i [2019-10-13 23:20:20,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd537a447/a8fefc9773c14e429dea335ebe44fe81/FLAG5121fa0d8 [2019-10-13 23:20:21,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd537a447/a8fefc9773c14e429dea335ebe44fe81 [2019-10-13 23:20:21,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:20:21,062 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:20:21,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:20:21,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:20:21,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:20:21,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:20:21" (1/1) ... [2019-10-13 23:20:21,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10033d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:21, skipping insertion in model container [2019-10-13 23:20:21,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:20:21" (1/1) ... [2019-10-13 23:20:21,078 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:20:21,097 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:20:21,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:20:21,302 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:20:21,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:20:21,430 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:20:21,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:21 WrapperNode [2019-10-13 23:20:21,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:20:21,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:20:21,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:20:21,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:20:21,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:21" (1/1) ... [2019-10-13 23:20:21,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:21" (1/1) ... [2019-10-13 23:20:21,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:21" (1/1) ... [2019-10-13 23:20:21,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:21" (1/1) ... [2019-10-13 23:20:21,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:21" (1/1) ... [2019-10-13 23:20:21,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:21" (1/1) ... [2019-10-13 23:20:21,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:21" (1/1) ... [2019-10-13 23:20:21,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:20:21,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:20:21,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:20:21,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:20:21,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:21" (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 [2019-10-13 23:20:21,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:20:21,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:20:21,553 INFO L138 BoogieDeclarations]: Found implementation of procedure init_nondet [2019-10-13 23:20:21,553 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2019-10-13 23:20:21,553 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:20:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:20:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:20:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure init_nondet [2019-10-13 23:20:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:20:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2019-10-13 23:20:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:20:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:20:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:20:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:20:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:20:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:20:22,601 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:20:22,602 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-13 23:20:22,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:20:22 BoogieIcfgContainer [2019-10-13 23:20:22,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:20:22,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:20:22,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:20:22,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:20:22,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:20:21" (1/3) ... [2019-10-13 23:20:22,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342521c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:20:22, skipping insertion in model container [2019-10-13 23:20:22,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:21" (2/3) ... [2019-10-13 23:20:22,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342521c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:20:22, skipping insertion in model container [2019-10-13 23:20:22,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:20:22" (3/3) ... [2019-10-13 23:20:22,612 INFO L109 eAbstractionObserver]: Analyzing ICFG rangesum40.i [2019-10-13 23:20:22,622 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:20:22,631 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:20:22,643 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:20:22,667 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:20:22,667 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:20:22,668 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:20:22,668 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:20:22,668 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:20:22,668 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:20:22,668 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:20:22,668 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:20:22,687 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-10-13 23:20:22,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-13 23:20:22,695 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:20:22,696 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:20:22,698 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:20:22,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:20:22,705 INFO L82 PathProgramCache]: Analyzing trace with hash 156737714, now seen corresponding path program 1 times [2019-10-13 23:20:22,713 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:20:22,714 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925054075] [2019-10-13 23:20:22,714 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:20:22,715 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:20:22,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:20:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:20:22,853 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925054075] [2019-10-13 23:20:22,854 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-13 23:20:22,854 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696152396] [2019-10-13 23:20:22,855 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 [2019-10-13 23:20:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:20:22,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-13 23:20:22,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:20:23,044 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 23:20:23,045 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:20:23,104 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 23:20:23,105 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:20:23,106 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-13 23:20:23,107 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266489708] [2019-10-13 23:20:23,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:20:23,117 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:20:23,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:20:23,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:20:23,135 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 4 states. [2019-10-13 23:20:23,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:20:23,188 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2019-10-13 23:20:23,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:20:23,191 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2019-10-13 23:20:23,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:20:23,202 INFO L225 Difference]: With dead ends: 48 [2019-10-13 23:20:23,202 INFO L226 Difference]: Without dead ends: 25 [2019-10-13 23:20:23,208 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:20:23,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-10-13 23:20:23,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-10-13 23:20:23,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-10-13 23:20:23,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2019-10-13 23:20:23,269 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 28 [2019-10-13 23:20:23,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:20:23,270 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2019-10-13 23:20:23,270 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:20:23,270 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2019-10-13 23:20:23,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-13 23:20:23,274 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:20:23,274 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:20:23,480 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:20:23,481 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:20:23,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:20:23,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1219753554, now seen corresponding path program 1 times [2019-10-13 23:20:23,483 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:20:23,483 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070104741] [2019-10-13 23:20:23,483 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:20:23,483 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:20:23,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:20:23,506 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 23:20:23,507 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [417377849] [2019-10-13 23:20:23,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:20:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:20:23,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-13 23:20:23,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:20:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-13 23:20:23,600 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:20:23,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-13 23:20:23,657 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070104741] [2019-10-13 23:20:23,658 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 23:20:23,658 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417377849] [2019-10-13 23:20:23,660 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 23:20:23,661 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2019-10-13 23:20:23,661 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685739332] [2019-10-13 23:20:23,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:20:23,666 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:20:23,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:20:23,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:20:23,667 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 3 states. [2019-10-13 23:20:23,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:20:23,689 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2019-10-13 23:20:23,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:20:23,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-10-13 23:20:23,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:20:23,693 INFO L225 Difference]: With dead ends: 38 [2019-10-13 23:20:23,693 INFO L226 Difference]: Without dead ends: 26 [2019-10-13 23:20:23,697 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:20:23,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-10-13 23:20:23,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-10-13 23:20:23,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-10-13 23:20:23,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2019-10-13 23:20:23,711 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 30 [2019-10-13 23:20:23,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:20:23,713 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2019-10-13 23:20:23,713 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:20:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2019-10-13 23:20:23,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-13 23:20:23,715 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:20:23,715 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:20:23,927 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:20:23,927 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:20:23,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:20:23,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1119206734, now seen corresponding path program 1 times [2019-10-13 23:20:23,928 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:20:23,928 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132581863] [2019-10-13 23:20:23,929 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:20:23,929 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:20:23,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:20:23,950 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 23:20:23,950 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [765760106] [2019-10-13 23:20:23,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:20:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:20:24,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-13 23:20:24,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:20:24,056 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 23:20:24,057 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:20:24,096 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 23:20:24,097 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132581863] [2019-10-13 23:20:24,097 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 23:20:24,098 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765760106] [2019-10-13 23:20:24,098 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:20:24,098 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-13 23:20:24,098 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265306095] [2019-10-13 23:20:24,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:20:24,099 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:20:24,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:20:24,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:20:24,100 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand 4 states. [2019-10-13 23:20:24,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:20:24,122 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2019-10-13 23:20:24,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:20:24,123 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-10-13 23:20:24,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:20:24,124 INFO L225 Difference]: With dead ends: 37 [2019-10-13 23:20:24,124 INFO L226 Difference]: Without dead ends: 28 [2019-10-13 23:20:24,125 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:20:24,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-10-13 23:20:24,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-10-13 23:20:24,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-10-13 23:20:24,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2019-10-13 23:20:24,135 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 33 [2019-10-13 23:20:24,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:20:24,137 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2019-10-13 23:20:24,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:20:24,138 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2019-10-13 23:20:24,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-13 23:20:24,139 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:20:24,139 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:20:24,343 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:20:24,344 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:20:24,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:20:24,344 INFO L82 PathProgramCache]: Analyzing trace with hash -635922546, now seen corresponding path program 1 times [2019-10-13 23:20:24,344 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:20:24,345 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744435914] [2019-10-13 23:20:24,345 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:20:24,345 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:20:24,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:20:24,377 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 23:20:24,378 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1326337374] [2019-10-13 23:20:24,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:20:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:20:24,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 23:20:24,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:20:24,500 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 23:20:24,501 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:20:24,556 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 23:20:24,556 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744435914] [2019-10-13 23:20:24,556 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 23:20:24,557 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326337374] [2019-10-13 23:20:24,557 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [872889366] [2019-10-13 23:20:24,607 INFO L162 IcfgInterpreter]: Started Sifa with 23 locations of interest [2019-10-13 23:20:24,607 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:20:24,615 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:20:24,632 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:20:24,633 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 23:20:24,808 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-13 23:20:26,215 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 23:20:32,367 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |main_~#x~0.offset| 4) 0) [2019-10-13 23:20:34,393 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select |v_#memory_int_61| |main_~#x~0.base|))) (= (select .cse0 |main_~#x~0.offset|) (select .cse0 (+ |main_~#x~0.offset| 4)))) [2019-10-13 23:20:36,396 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_61| |main_~#x~0.base|))) (= (select .cse0 |main_~#x~0.offset|) (select .cse0 (+ |main_~#x~0.offset| 4)))) [2019-10-13 23:20:38,418 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select (select |v_#memory_int_61| |main_~#x~0.base|) |main_~#x~0.offset|) main_~temp~0) [2019-10-13 23:20:40,421 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= main_~temp~0 (select (select |v_#memory_int_61| |main_~#x~0.base|) (+ |main_~#x~0.offset| 4))) [2019-10-13 23:20:42,423 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= main_~temp~0 (select (select |v_#memory_int_61| |main_~#x~0.base|) (+ |main_~#x~0.offset| 4))) [2019-10-13 23:20:44,430 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) |main_~#x~0.offset|)) [2019-10-13 23:20:46,459 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) |main_~#x~0.offset|)) [2019-10-13 23:20:48,464 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 4))) [2019-10-13 23:20:50,466 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 4))) [2019-10-13 23:20:50,586 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 23:20:50,674 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 23:20:56,816 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |main_~#x~0.offset| 4) 0) [2019-10-13 23:20:58,820 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select |v_#memory_int_61| |main_~#x~0.base|))) (= (select .cse0 |main_~#x~0.offset|) (select .cse0 (+ |main_~#x~0.offset| 4)))) [2019-10-13 23:21:00,828 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_61| |main_~#x~0.base|))) (= (select .cse0 |main_~#x~0.offset|) (select .cse0 (+ |main_~#x~0.offset| 4)))) [2019-10-13 23:21:02,921 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select (select |v_#memory_int_61| |main_~#x~0.base|) |main_~#x~0.offset|) main_~temp~0) [2019-10-13 23:21:05,474 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= main_~temp~0 (select (select |v_#memory_int_61| |main_~#x~0.base|) (+ |main_~#x~0.offset| 4))) [2019-10-13 23:21:07,478 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) |main_~#x~0.offset|)) [2019-10-13 23:21:09,482 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) |main_~#x~0.offset|)) [2019-10-13 23:21:11,485 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 4)))