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 0.1.24-13a467a-m [2019-10-15 03:24:57,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:24:57,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:24:58,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:24:58,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:24:58,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:24:58,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:24:58,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:24:58,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:24:58,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:24:58,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:24:58,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:24:58,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:24:58,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:24:58,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:24:58,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:24:58,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:24:58,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:24:58,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:24:58,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:24:58,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:24:58,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:24:58,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:24:58,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:24:58,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 03:24:58,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:24:58,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:24:58,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:24:58,080 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 03:24:58,107 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:24:58,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:24:58,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:24:58,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:24:58,109 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:24:58,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:24:58,109 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:24:58,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:24:58,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:24:58,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:24:58,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:24:58,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:24:58,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:24:58,111 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:24:58,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:24:58,111 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:24:58,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:24:58,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:24:58,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:24:58,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:24:58,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:24:58,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:24:58,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:24:58,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:24:58,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:24:58,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:24:58,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:24:58,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:24:58,114 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 03:24:58,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:24:58,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:24:58,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:24:58,428 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:24:58,428 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:24:58,429 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/rangesum40.i [2019-10-15 03:24:58,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217769a65/56b9185d1e5b46ceac4edffbeeba8199/FLAGfd428ed24 [2019-10-15 03:24:58,988 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:24:58,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/rangesum40.i [2019-10-15 03:24:58,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217769a65/56b9185d1e5b46ceac4edffbeeba8199/FLAGfd428ed24 [2019-10-15 03:24:59,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217769a65/56b9185d1e5b46ceac4edffbeeba8199 [2019-10-15 03:24:59,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:24:59,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:24:59,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:24:59,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:24:59,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:24:59,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:24:59" (1/1) ... [2019-10-15 03:24:59,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4264f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:59, skipping insertion in model container [2019-10-15 03:24:59,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:24:59" (1/1) ... [2019-10-15 03:24:59,376 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:24:59,395 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:24:59,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:24:59,600 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:24:59,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:24:59,719 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:24:59,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:59 WrapperNode [2019-10-15 03:24:59,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:24:59,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:24:59,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:24:59,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:24:59,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:59" (1/1) ... [2019-10-15 03:24:59,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:59" (1/1) ... [2019-10-15 03:24:59,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:59" (1/1) ... [2019-10-15 03:24:59,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:59" (1/1) ... [2019-10-15 03:24:59,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:59" (1/1) ... [2019-10-15 03:24:59,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:59" (1/1) ... [2019-10-15 03:24:59,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:59" (1/1) ... [2019-10-15 03:24:59,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:24:59,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:24:59,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:24:59,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:24:59,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:59" (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 03:24:59,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:24:59,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:24:59,845 INFO L138 BoogieDeclarations]: Found implementation of procedure init_nondet [2019-10-15 03:24:59,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2019-10-15 03:24:59,845 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:24:59,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:24:59,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:24:59,845 INFO L130 BoogieDeclarations]: Found specification of procedure init_nondet [2019-10-15 03:24:59,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:24:59,846 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2019-10-15 03:24:59,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:24:59,846 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:24:59,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:24:59,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:24:59,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:24:59,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:25:00,900 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:25:00,902 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-15 03:25:00,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:25:00 BoogieIcfgContainer [2019-10-15 03:25:00,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:25:00,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:25:00,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:25:00,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:25:00,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:24:59" (1/3) ... [2019-10-15 03:25:00,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98af25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:25:00, skipping insertion in model container [2019-10-15 03:25:00,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:24:59" (2/3) ... [2019-10-15 03:25:00,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98af25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:25:00, skipping insertion in model container [2019-10-15 03:25:00,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:25:00" (3/3) ... [2019-10-15 03:25:00,911 INFO L109 eAbstractionObserver]: Analyzing ICFG rangesum40.i [2019-10-15 03:25:00,920 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:25:00,928 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:25:00,940 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:25:00,966 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:25:00,966 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:25:00,966 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:25:00,966 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:25:00,967 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:25:00,967 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:25:00,967 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:25:00,968 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:25:00,986 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-10-15 03:25:00,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-15 03:25:00,992 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:25:00,993 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] [2019-10-15 03:25:00,995 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:25:01,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:25:01,000 INFO L82 PathProgramCache]: Analyzing trace with hash 156737714, now seen corresponding path program 1 times [2019-10-15 03:25:01,008 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:25:01,009 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590123250] [2019-10-15 03:25:01,009 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:25:01,009 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:25:01,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:25:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:25:01,153 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590123250] [2019-10-15 03:25:01,154 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-15 03:25:01,155 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823009798] [2019-10-15 03:25:01,155 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 03:25:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:25:01,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-15 03:25:01,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:25:01,306 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 03:25:01,306 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:25:01,357 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 03:25:01,358 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:25:01,358 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-15 03:25:01,359 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627831031] [2019-10-15 03:25:01,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:25:01,368 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:25:01,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:25:01,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:25:01,388 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 4 states. [2019-10-15 03:25:01,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:25:01,430 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2019-10-15 03:25:01,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:25:01,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2019-10-15 03:25:01,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:25:01,444 INFO L225 Difference]: With dead ends: 48 [2019-10-15 03:25:01,444 INFO L226 Difference]: Without dead ends: 25 [2019-10-15 03:25:01,448 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 [2019-10-15 03:25:01,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-10-15 03:25:01,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-10-15 03:25:01,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-10-15 03:25:01,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2019-10-15 03:25:01,494 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 28 [2019-10-15 03:25:01,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:25:01,495 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2019-10-15 03:25:01,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:25:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2019-10-15 03:25:01,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-15 03:25:01,498 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:25:01,498 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] [2019-10-15 03:25:01,702 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:25:01,702 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:25:01,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:25:01,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1219753554, now seen corresponding path program 1 times [2019-10-15 03:25:01,705 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:25:01,705 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705093128] [2019-10-15 03:25:01,706 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:25:01,706 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:25:01,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:25:01,733 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-15 03:25:01,734 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [708941102] [2019-10-15 03:25:01,734 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 [2019-10-15 03:25:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:25:01,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-15 03:25:01,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:25:01,832 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-15 03:25:01,833 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:25:01,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-15 03:25:01,883 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705093128] [2019-10-15 03:25:01,884 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-15 03:25:01,884 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708941102] [2019-10-15 03:25:01,884 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-15 03:25:01,884 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2019-10-15 03:25:01,885 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177495850] [2019-10-15 03:25:01,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:25:01,886 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:25:01,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:25:01,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:25:01,887 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 3 states. [2019-10-15 03:25:01,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:25:01,902 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2019-10-15 03:25:01,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:25:01,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-10-15 03:25:01,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:25:01,904 INFO L225 Difference]: With dead ends: 38 [2019-10-15 03:25:01,904 INFO L226 Difference]: Without dead ends: 26 [2019-10-15 03:25:01,906 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 [2019-10-15 03:25:01,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-10-15 03:25:01,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-10-15 03:25:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-10-15 03:25:01,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2019-10-15 03:25:01,914 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 30 [2019-10-15 03:25:01,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:25:01,915 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2019-10-15 03:25:01,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:25:01,915 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2019-10-15 03:25:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-15 03:25:01,917 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:25:01,917 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] [2019-10-15 03:25:02,120 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:25:02,126 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:25:02,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:25:02,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1119206734, now seen corresponding path program 1 times [2019-10-15 03:25:02,126 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:25:02,127 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091287284] [2019-10-15 03:25:02,127 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:25:02,128 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:25:02,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:25:02,191 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-15 03:25:02,192 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1999125267] [2019-10-15 03:25:02,192 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 [2019-10-15 03:25:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:25:02,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-15 03:25:02,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:25:02,286 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-15 03:25:02,287 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:25:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-15 03:25:02,324 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091287284] [2019-10-15 03:25:02,325 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-15 03:25:02,325 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999125267] [2019-10-15 03:25:02,325 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:25:02,325 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-15 03:25:02,326 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046782966] [2019-10-15 03:25:02,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:25:02,327 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:25:02,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:25:02,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:25:02,328 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand 4 states. [2019-10-15 03:25:02,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:25:02,346 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2019-10-15 03:25:02,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:25:02,348 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-10-15 03:25:02,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:25:02,349 INFO L225 Difference]: With dead ends: 37 [2019-10-15 03:25:02,349 INFO L226 Difference]: Without dead ends: 28 [2019-10-15 03:25:02,350 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 [2019-10-15 03:25:02,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-10-15 03:25:02,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-10-15 03:25:02,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-10-15 03:25:02,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2019-10-15 03:25:02,362 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 33 [2019-10-15 03:25:02,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:25:02,375 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2019-10-15 03:25:02,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:25:02,375 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2019-10-15 03:25:02,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-15 03:25:02,377 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:25:02,377 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] [2019-10-15 03:25:02,582 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:25:02,586 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:25:02,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:25:02,586 INFO L82 PathProgramCache]: Analyzing trace with hash -635922546, now seen corresponding path program 1 times [2019-10-15 03:25:02,586 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:25:02,587 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10614228] [2019-10-15 03:25:02,587 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:25:02,587 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:25:02,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:25:02,612 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-15 03:25:02,612 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [716182376] [2019-10-15 03:25:02,612 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 [2019-10-15 03:25:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:25:02,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 03:25:02,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:25:02,711 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-15 03:25:02,711 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:25:02,829 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-15 03:25:02,830 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10614228] [2019-10-15 03:25:02,830 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-15 03:25:02,830 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716182376] [2019-10-15 03:25:02,831 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1397192164] [2019-10-15 03:25:02,858 INFO L162 IcfgInterpreter]: Started Sifa with 23 locations of interest [2019-10-15 03:25:02,858 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:25:02,864 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:25:02,870 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:25:02,870 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 03:25:03,021 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-15 03:25:04,288 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:25:10,467 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |main_~#x~0.offset| 4) 0) [2019-10-15 03:25:12,490 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)))) [2019-10-15 03:25:14,496 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)))) [2019-10-15 03:25:16,509 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) [2019-10-15 03:25:18,512 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))) [2019-10-15 03:25:20,515 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))) [2019-10-15 03:25:22,519 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|)) [2019-10-15 03:25:24,522 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|)) [2019-10-15 03:25:26,528 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))) [2019-10-15 03:25:28,532 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))) [2019-10-15 03:25:28,633 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:25:28,726 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 03:25:34,868 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |main_~#x~0.offset| 4) 0) [2019-10-15 03:25:36,872 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)))) [2019-10-15 03:25:38,874 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)))) [2019-10-15 03:25:40,884 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) [2019-10-15 03:25:42,889 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))) [2019-10-15 03:25:44,893 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))) [2019-10-15 03:25:46,898 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|)) [2019-10-15 03:25:48,901 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|))