/usr/bin/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:38:29,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:38:29,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:38:29,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:38:29,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:38:29,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:38:29,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:38:29,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:38:29,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:38:29,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:38:29,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:38:29,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:38:29,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:38:29,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:38:29,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:38:30,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:38:30,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:38:30,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:38:30,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:38:30,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:38:30,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:38:30,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:38:30,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:38:30,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:38:30,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:38:30,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:38:30,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:38:30,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:38:30,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:38:30,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:38:30,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:38:30,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:38:30,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:38:30,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:38:30,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:38:30,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:38:30,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:38:30,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:38:30,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:38:30,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:38:30,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:38:30,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 11:38:30,048 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:38:30,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:38:30,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:38:30,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:38:30,050 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:38:30,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:38:30,051 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:38:30,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:38:30,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:38:30,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:38:30,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:38:30,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:38:30,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:38:30,052 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:38:30,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:38:30,052 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:38:30,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:38:30,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:38:30,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:38:30,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:38:30,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:38:30,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:38:30,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:38:30,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:38:30,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:38:30,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:38:30,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:38:30,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:38:30,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:38:30,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:38:30,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:38:30,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:38:30,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:38:30,402 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:38:30,403 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:38:30,403 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_productSimulator.cil.c [2020-10-13 11:38:30,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af049f179/c03ddeb3dfc44cfbb24967822c430bac/FLAGcac427335 [2020-10-13 11:38:31,115 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:38:31,116 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_productSimulator.cil.c [2020-10-13 11:38:31,143 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af049f179/c03ddeb3dfc44cfbb24967822c430bac/FLAGcac427335 [2020-10-13 11:38:31,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af049f179/c03ddeb3dfc44cfbb24967822c430bac [2020-10-13 11:38:31,368 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:38:31,370 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:38:31,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:38:31,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:38:31,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:38:31,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:38:31" (1/1) ... [2020-10-13 11:38:31,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60808b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:38:31, skipping insertion in model container [2020-10-13 11:38:31,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:38:31" (1/1) ... [2020-10-13 11:38:31,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:38:31,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:38:32,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:38:32,191 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:38:32,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:38:32,428 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:38:32,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:38:32 WrapperNode [2020-10-13 11:38:32,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:38:32,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:38:32,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:38:32,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:38:32,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:38:32" (1/1) ... [2020-10-13 11:38:32,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:38:32" (1/1) ... [2020-10-13 11:38:32,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:38:32" (1/1) ... [2020-10-13 11:38:32,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:38:32" (1/1) ... [2020-10-13 11:38:32,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:38:32" (1/1) ... [2020-10-13 11:38:32,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:38:32" (1/1) ... [2020-10-13 11:38:32,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:38:32" (1/1) ... [2020-10-13 11:38:32,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:38:32,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:38:32,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:38:32,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:38:32,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:38:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-13 11:38:32,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:38:32,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:38:32,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:38:32,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:38:32,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:38:32,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:38:32,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:38:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:38:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:38:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:38:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:38:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:38:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:38:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:38:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:38:32,748 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:38:32,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:38:32,749 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:38:32,749 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:38:32,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:38:32,749 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:38:32,749 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:38:32,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__before__overloaded [2020-10-13 11:38:32,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__role__overloaded [2020-10-13 11:38:32,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:38:32,751 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__before__weight [2020-10-13 11:38:32,751 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__role__weight [2020-10-13 11:38:32,751 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:38:32,751 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__weight [2020-10-13 11:38:32,752 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__weight [2020-10-13 11:38:32,752 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__empty [2020-10-13 11:38:32,752 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__empty [2020-10-13 11:38:32,752 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:38:32,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:38:32,752 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:38:32,752 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:38:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:38:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:38:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:38:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:38:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:38:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:38:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__twothirdsfull [2020-10-13 11:38:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__twothirdsfull [2020-10-13 11:38:32,755 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__executivefloor [2020-10-13 11:38:32,755 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__executivefloor [2020-10-13 11:38:32,755 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:38:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:38:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:38:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2020-10-13 11:38:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2020-10-13 11:38:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__executivefloor [2020-10-13 11:38:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__executivefloor [2020-10-13 11:38:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:38:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:38:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:38:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__before__overloaded [2020-10-13 11:38:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__role__overloaded [2020-10-13 11:38:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:38:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__before__overloaded [2020-10-13 11:38:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__role__overloaded [2020-10-13 11:38:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:38:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:38:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-13 11:38:32,759 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-13 11:38:32,759 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:38:32,759 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:38:32,759 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:38:32,759 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:38:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:38:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:38:32,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:38:32,761 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:38:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:38:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:38:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:38:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:38:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:38:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:38:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:38:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:38:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:38:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:38:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:38:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:38:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:38:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:38:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:38:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:38:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:38:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-13 11:38:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-13 11:38:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:38:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:38:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:38:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:38:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:38:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:38:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:38:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:38:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:38:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:38:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:38:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:38:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:38:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:38:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:38:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:38:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:38:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:38:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:38:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:38:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:38:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:38:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:38:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:38:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:38:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:38:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:38:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:38:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:38:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:38:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:38:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:38:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:38:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:38:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:38:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:38:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:38:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:38:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:38:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:38:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:38:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:38:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:38:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:38:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:38:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:38:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-13 11:38:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-13 11:38:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__before__overloaded [2020-10-13 11:38:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__role__overloaded [2020-10-13 11:38:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__before__weight [2020-10-13 11:38:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__role__weight [2020-10-13 11:38:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__weight [2020-10-13 11:38:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__weight [2020-10-13 11:38:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__empty [2020-10-13 11:38:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__empty [2020-10-13 11:38:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:38:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:38:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:38:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:38:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:38:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__twothirdsfull [2020-10-13 11:38:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__twothirdsfull [2020-10-13 11:38:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__executivefloor [2020-10-13 11:38:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__executivefloor [2020-10-13 11:38:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:38:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:38:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2020-10-13 11:38:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2020-10-13 11:38:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__executivefloor [2020-10-13 11:38:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__executivefloor [2020-10-13 11:38:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:38:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:38:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:38:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__before__overloaded [2020-10-13 11:38:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__role__overloaded [2020-10-13 11:38:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-13 11:38:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-13 11:38:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure printState__before__overloaded [2020-10-13 11:38:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure printState__role__overloaded [2020-10-13 11:38:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:38:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:38:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:38:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:38:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:38:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:38:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:38:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:38:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:38:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:38:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:38:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:38:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:38:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:38:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:38:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:38:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:38:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:38:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:38:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:38:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:38:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:38:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:38:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:38:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:38:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:38:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:38:35,384 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:38:35,384 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:38:35,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:38:35 BoogieIcfgContainer [2020-10-13 11:38:35,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:38:35,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:38:35,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:38:35,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:38:35,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:38:31" (1/3) ... [2020-10-13 11:38:35,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617a7690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:38:35, skipping insertion in model container [2020-10-13 11:38:35,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:38:32" (2/3) ... [2020-10-13 11:38:35,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617a7690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:38:35, skipping insertion in model container [2020-10-13 11:38:35,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:38:35" (3/3) ... [2020-10-13 11:38:35,413 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_productSimulator.cil.c [2020-10-13 11:38:35,424 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:38:35,433 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:38:35,443 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:38:35,469 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:38:35,469 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:38:35,469 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:38:35,470 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:38:35,470 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:38:35,470 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:38:35,470 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:38:35,470 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:38:35,509 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states. [2020-10-13 11:38:35,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 11:38:35,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:38:35,527 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 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, 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, 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, 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] [2020-10-13 11:38:35,527 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:38:35,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:38:35,534 INFO L82 PathProgramCache]: Analyzing trace with hash -895643454, now seen corresponding path program 1 times [2020-10-13 11:38:35,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:38:35,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [782757369] [2020-10-13 11:38:35,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:38:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:36,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:36,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:36,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:38,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:41,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:41,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-13 11:38:41,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:38:41,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:38:41,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:41,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:38:41,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-13 11:38:41,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:38:41,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:38:42,146 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:38:42,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:38:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:42,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:42,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:42,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:42,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:42,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-13 11:38:42,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:42,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:42,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:42,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:42,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:42,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:38:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:42,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:42,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:42,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:42,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:42,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:38:42,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:42,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:42,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:38:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:42,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:42,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:42,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:38:42,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:42,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:38:42,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:42,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:42,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:42,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:42,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:42,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:38:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:42,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:42,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:42,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:42,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:42,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:38:42,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:42,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:42,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:42,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:42,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:42,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:38:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:42,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:42,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:42,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:42,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:42,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:38:42,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:42,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:42,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:42,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:42,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:42,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:38:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:42,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:42,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:42,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:42,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:42,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:38:42,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:42,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:42,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:42,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:42,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:42,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 11:38:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:42,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:42,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:42,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:42,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:42,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:38:42,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:42,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:42,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:42,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:42,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:42,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:38:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:42,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:42,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:42,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:42,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:42,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:38:42,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:42,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:42,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:42,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:42,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:42,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:38:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:42,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:42,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:42,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:38:42,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:42,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:38:42,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:42,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:38:42,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:42,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:38:42,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:42,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 11:38:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:42,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:42,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:42,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:38:42,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:42,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:38:42,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:42,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:42,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:38:42,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:42,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:38:42,688 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:38:42,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 11:38:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:42,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:42,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:42,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:38:42,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:42,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 11:38:42,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:38:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:42,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:42,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:38:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:42,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:42,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:42,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:42,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:42,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:38:42,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:42,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:42,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:42,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:42,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:38:42,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 11:38:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:42,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:42,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:43,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:43,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:43,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:38:43,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:38:43,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-10-13 11:38:43,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:43,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:43,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:38:43,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:43,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:43,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:38:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:43,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:43,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:43,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:38:43,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:43,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:38:43,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:43,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:43,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:43,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:43,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:38:43,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:38:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:43,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:43,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:43,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:38:43,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:43,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:38:43,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:43,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:43,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:38:43,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:38:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:43,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:43,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:43,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:38:43,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:43,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:38:43,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:43,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:43,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:43,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:43,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:38:43,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 11:38:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:43,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:43,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:43,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:38:43,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:43,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 11:38:43,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:43,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:43,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:38:43,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:43,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:43,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:38:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:43,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:43,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:43,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:43,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:43,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:38:43,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:43,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:43,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:43,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:43,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:43,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:38:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:43,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:43,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:43,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:43,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:43,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:38:43,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:43,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:43,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:43,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:43,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:43,605 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 11:38:43,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:38:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:43,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:43,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:43,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:38:43,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:43,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:38:43,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:38:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:43,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:43,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:38:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:43,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:43,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:43,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:43,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:43,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:38:43,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:43,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:43,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:43,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 11:38:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:43,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:43,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:43,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:43,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:43,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:38:43,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:38:43,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:43,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:43,742 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 11:38:43,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [782757369] [2020-10-13 11:38:43,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:38:43,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-13 11:38:43,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963184112] [2020-10-13 11:38:43,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 11:38:43,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:38:43,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 11:38:43,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-13 11:38:43,769 INFO L87 Difference]: Start difference. First operand 949 states. Second operand 14 states. [2020-10-13 11:38:45,154 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 11:38:45,409 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-13 11:38:45,912 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 11:38:46,764 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2020-10-13 11:38:47,686 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2020-10-13 11:38:47,951 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-13 11:38:48,144 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-13 11:38:48,469 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 11:38:50,299 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 11:38:51,467 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:38:51,879 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:38:57,219 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:39:17,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:39:17,228 INFO L93 Difference]: Finished difference Result 1902 states and 3206 transitions. [2020-10-13 11:39:17,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:39:17,230 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 127 [2020-10-13 11:39:17,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:39:17,269 INFO L225 Difference]: With dead ends: 1902 [2020-10-13 11:39:17,270 INFO L226 Difference]: Without dead ends: 1127 [2020-10-13 11:39:17,283 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=223, Invalid=647, Unknown=0, NotChecked=0, Total=870 [2020-10-13 11:39:17,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2020-10-13 11:39:17,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 776. [2020-10-13 11:39:17,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 776 states. [2020-10-13 11:39:17,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1196 transitions. [2020-10-13 11:39:17,656 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1196 transitions. Word has length 127 [2020-10-13 11:39:17,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:39:17,657 INFO L479 AbstractCegarLoop]: Abstraction has 776 states and 1196 transitions. [2020-10-13 11:39:17,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 11:39:17,657 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1196 transitions. [2020-10-13 11:39:17,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-13 11:39:17,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:39:17,663 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 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, 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, 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, 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] [2020-10-13 11:39:17,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:39:17,663 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:39:17,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:39:17,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1694033836, now seen corresponding path program 1 times [2020-10-13 11:39:17,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:39:17,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285401468] [2020-10-13 11:39:17,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:39:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:17,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:18,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:19,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:19,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:22,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:22,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:22,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-13 11:39:22,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:39:22,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 11:39:22,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:22,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:39:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-13 11:39:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:39:22,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:23,692 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:39:23,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:39:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:23,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:23,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:23,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:23,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 11:39:23,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:23,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:23,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:23,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:23,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:23,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:39:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:23,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:23,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:23,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:23,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:23,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:23,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:23,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:23,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:39:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:23,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:23,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:39:23,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:23,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:39:23,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:23,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:23,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:23,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:23,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:23,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:23,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:23,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:23,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:23,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:23,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:23,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:23,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:39:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:23,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:23,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:23,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:23,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:39:23,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:23,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:23,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:23,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:23,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:23,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:39:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:23,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:23,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:23,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:23,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:23,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:23,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:23,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:23,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:23,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 11:39:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:23,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:23,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:23,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:23,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:23,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:23,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:23,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:39:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:23,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:23,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:23,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:23,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:23,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:23,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:23,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:23,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:23,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:23,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:39:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:23,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:23,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:39:23,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:23,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:39:23,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:23,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:23,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:23,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:23,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:23,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 11:39:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:23,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:23,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:39:23,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:23,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:39:23,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:23,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:23,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:23,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:23,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:24,057 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:39:24,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 11:39:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:24,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:24,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:24,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:39:24,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:24,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:39:24,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:24,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:24,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:24,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:24,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:24,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:24,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:24,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:24,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:24,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:24,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:39:24,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:24,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:24,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:24,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:24,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:24,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 11:39:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:24,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:24,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:24,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:24,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:39:24,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:39:24,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-13 11:39:24,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:24,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:39:24,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:39:24,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:39:24,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:24,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:24,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:24,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:24,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:39:24,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:24,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:39:24,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:24,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:39:24,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:24,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:39:24,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:24,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:39:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:24,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:24,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:24,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:24,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:39:24,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:39:24,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-13 11:39:24,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:24,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:39:24,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:39:24,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:39:24,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:24,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:39:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:24,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:24,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:24,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:39:24,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:24,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:39:24,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:24,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:39:24,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:24,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:39:24,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:24,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 11:39:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:24,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:24,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:24,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:39:24,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:24,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:39:24,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:39:24,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:24,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:24,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:24,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:24,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:24,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:24,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:24,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:39:24,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:24,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:24,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:24,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:24,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:24,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:39:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:24,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:24,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:24,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:24,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:24,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:39:24,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:24,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:24,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:24,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:24,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:24,929 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 11:39:24,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 11:39:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:24,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:24,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:24,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:39:24,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:24,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:39:24,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:24,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:24,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:39:24,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:24,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:24,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:24,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:24,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:24,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:24,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:24,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:24,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:24,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:24,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:24,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:24,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:24,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 11:39:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:24,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:24,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:24,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:24,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:24,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:24,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:24,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:24,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:39:24,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:24,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:25,033 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 11:39:25,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285401468] [2020-10-13 11:39:25,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:39:25,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-13 11:39:25,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245020777] [2020-10-13 11:39:25,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 11:39:25,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:39:25,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 11:39:25,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:39:25,037 INFO L87 Difference]: Start difference. First operand 776 states and 1196 transitions. Second operand 15 states. [2020-10-13 11:39:26,373 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 11:39:26,640 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-13 11:39:27,156 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 11:39:27,583 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 11:39:28,581 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-13 11:39:29,487 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-13 11:39:30,407 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-13 11:39:31,332 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-13 11:39:32,209 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2020-10-13 11:39:33,687 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 11:39:34,829 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:39:35,199 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:39:40,285 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:39:54,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:39:54,956 INFO L93 Difference]: Finished difference Result 1868 states and 3127 transitions. [2020-10-13 11:39:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-13 11:39:54,957 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 128 [2020-10-13 11:39:54,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:39:54,978 INFO L225 Difference]: With dead ends: 1868 [2020-10-13 11:39:54,979 INFO L226 Difference]: Without dead ends: 1145 [2020-10-13 11:39:54,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=349, Invalid=1057, Unknown=0, NotChecked=0, Total=1406 [2020-10-13 11:39:54,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2020-10-13 11:39:55,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 783. [2020-10-13 11:39:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2020-10-13 11:39:55,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1205 transitions. [2020-10-13 11:39:55,230 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1205 transitions. Word has length 128 [2020-10-13 11:39:55,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:39:55,231 INFO L479 AbstractCegarLoop]: Abstraction has 783 states and 1205 transitions. [2020-10-13 11:39:55,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 11:39:55,231 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1205 transitions. [2020-10-13 11:39:55,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-13 11:39:55,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:39:55,234 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 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, 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, 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, 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] [2020-10-13 11:39:55,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:39:55,235 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:39:55,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:39:55,235 INFO L82 PathProgramCache]: Analyzing trace with hash 54665970, now seen corresponding path program 1 times [2020-10-13 11:39:55,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:39:55,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [90152404] [2020-10-13 11:39:55,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:39:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:55,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:55,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:55,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:56,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:00,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:00,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 11:40:00,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:40:00,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-13 11:40:00,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:00,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:00,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-13 11:40:00,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:40:00,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:01,181 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:40:01,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:01,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:01,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:01,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:01,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:01,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 11:40:01,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:01,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:01,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:01,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:01,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:01,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:01,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:01,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:01,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:01,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:01,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:01,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:01,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:01,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:01,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:01,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:01,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:40:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:01,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:01,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:01,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:40:01,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:01,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:40:01,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:01,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:01,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:01,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:01,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:01,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:01,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:01,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:01,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:01,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:01,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:01,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:01,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:01,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:01,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:01,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:01,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:01,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:01,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:01,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:01,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:01,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:01,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:01,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:01,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:40:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:01,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:01,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:01,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:01,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:01,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:01,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:01,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:01,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:01,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:01,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:01,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 11:40:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:01,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:01,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:01,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:01,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:01,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:01,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:01,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:01,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:01,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:01,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:01,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:40:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:01,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:01,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:01,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:01,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:01,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:01,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:01,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:01,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:01,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:01,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:01,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:40:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:01,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:01,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:01,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:40:01,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:01,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:01,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:01,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:01,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 11:40:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:01,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:01,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:01,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:01,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:01,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:01,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:01,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:01,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:01,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:01,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:01,476 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:40:01,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 11:40:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:01,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:01,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:01,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:40:01,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:01,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:40:01,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:01,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:01,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:01,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:01,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:01,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:01,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:01,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:01,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:01,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:01,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:40:01,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:01,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:01,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 11:40:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:01,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:01,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:01,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:01,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:02,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:40:02,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:40:02,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 650 [2020-10-13 11:40:02,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:02,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:02,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:40:02,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:40:02,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:02,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:02,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:02,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:40:02,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:02,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 11:40:02,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:02,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:02,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:40:02,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:40:02,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:02,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:40:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:02,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:02,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:40:02,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:02,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:40:02,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:40:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:02,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:02,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:40:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:02,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:02,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:02,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:02,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:02,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:02,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:02,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 11:40:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:02,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:02,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:40:02,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:02,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:40:02,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:02,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:02,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:40:02,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:02,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:02,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:02,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:02,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:02,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:02,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:02,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:02,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:02,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:02,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:02,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:02,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:02,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:02,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:02,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:02,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:02,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:02,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:02,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:02,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:02,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:02,680 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 11:40:02,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 11:40:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:02,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:02,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:40:02,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:02,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:40:02,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:02,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:02,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:40:02,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:02,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:02,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:02,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:02,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:02,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:02,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:02,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:02,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:02,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:02,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:02,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:02,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 11:40:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:02,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:02,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:02,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:02,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:40:02,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:02,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:02,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:40:02,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:02,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:02,778 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 11:40:02,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [90152404] [2020-10-13 11:40:02,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:40:02,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:40:02,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523959210] [2020-10-13 11:40:02,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:40:02,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:40:02,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:40:02,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:40:02,782 INFO L87 Difference]: Start difference. First operand 783 states and 1205 transitions. Second operand 12 states. [2020-10-13 11:40:03,831 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 11:40:04,053 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-13 11:40:04,493 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 11:40:04,818 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 11:40:05,736 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-13 11:40:06,571 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2020-10-13 11:40:07,698 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 11:40:08,501 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:40:08,838 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:40:13,314 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:40:29,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:40:29,010 INFO L93 Difference]: Finished difference Result 1867 states and 3116 transitions. [2020-10-13 11:40:29,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 11:40:29,011 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 129 [2020-10-13 11:40:29,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:40:29,022 INFO L225 Difference]: With dead ends: 1867 [2020-10-13 11:40:29,022 INFO L226 Difference]: Without dead ends: 1116 [2020-10-13 11:40:29,027 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=201, Invalid=449, Unknown=0, NotChecked=0, Total=650 [2020-10-13 11:40:29,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-13 11:40:29,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 765. [2020-10-13 11:40:29,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2020-10-13 11:40:29,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1172 transitions. [2020-10-13 11:40:29,236 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1172 transitions. Word has length 129 [2020-10-13 11:40:29,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:40:29,237 INFO L479 AbstractCegarLoop]: Abstraction has 765 states and 1172 transitions. [2020-10-13 11:40:29,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:40:29,237 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1172 transitions. [2020-10-13 11:40:29,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-13 11:40:29,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:40:29,239 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 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, 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, 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, 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] [2020-10-13 11:40:29,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:40:29,240 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:40:29,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:40:29,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1943043330, now seen corresponding path program 1 times [2020-10-13 11:40:29,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:40:29,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1580586799] [2020-10-13 11:40:29,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:40:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:29,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:29,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:29,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:30,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:34,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:34,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 11:40:34,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:40:34,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-13 11:40:34,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:34,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:40:34,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-13 11:40:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:40:34,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:35,534 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:40:35,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:35,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:35,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:35,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:35,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:35,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 11:40:35,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:35,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:35,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:35,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:35,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:35,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:35,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:35,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:35,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:35,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:35,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:35,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:35,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:35,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:35,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:40:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:35,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:35,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:35,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:40:35,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:35,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:40:35,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:35,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:35,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:35,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:35,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:35,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:35,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:35,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:35,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:35,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:35,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:35,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:35,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:35,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:35,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:35,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:35,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:35,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:35,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:35,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:35,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:35,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:35,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:35,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:35,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:40:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:35,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:35,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:35,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:35,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:35,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:35,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:35,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:35,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:35,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:35,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:35,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 11:40:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:35,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:35,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:35,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:35,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:35,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:35,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:35,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:35,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:35,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:35,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:35,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:40:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:35,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:35,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:35,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:35,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:35,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:35,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:35,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:35,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:35,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:35,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:35,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:40:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:35,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:35,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:35,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:40:35,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:35,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:35,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:35,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:35,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:35,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:35,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:35,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 11:40:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:35,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:35,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:35,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:35,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:35,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:35,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:35,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:35,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:35,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:35,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:35,883 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:40:35,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 11:40:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:35,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:35,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:35,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:40:35,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:35,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:40:35,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:35,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:35,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:35,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:36,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:36,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:36,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:36,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:36,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:40:36,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:36,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:36,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:36,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:36,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:36,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 11:40:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:36,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:36,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:40:36,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:40:36,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-13 11:40:36,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:40:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:40:36,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:40:36,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:36,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:36,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:36,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:36,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:36,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:36,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:36,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:36,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:36,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:36,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:36,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:40:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:36,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:36,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:40:36,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:36,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 11:40:36,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:36,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:40:36,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:40:36,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:40:36,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:36,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:40:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:36,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:36,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:36,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:36,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:40:36,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:36,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:40:36,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:40:36,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:40:36,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:36,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 11:40:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:36,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:36,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:40:36,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:36,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:40:36,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:36,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:36,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:40:36,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:36,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:36,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:36,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:36,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:36,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:36,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:36,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:36,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:36,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:36,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:36,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:36,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:36,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:36,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:36,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:36,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:36,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:36,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:36,712 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 11:40:36,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 11:40:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:36,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:36,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:40:36,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:36,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 11:40:36,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:36,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:36,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:40:36,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:36,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:36,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:36,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:36,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:36,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:36,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:36,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:36,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:36,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:36,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:36,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:36,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 11:40:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:36,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:36,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:36,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:36,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:36,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:36,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:36,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:40:36,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:36,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:36,797 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 11:40:36,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1580586799] [2020-10-13 11:40:36,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:40:36,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 11:40:36,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429445037] [2020-10-13 11:40:36,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:40:36,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:40:36,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:40:36,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:40:36,800 INFO L87 Difference]: Start difference. First operand 765 states and 1172 transitions. Second operand 13 states. [2020-10-13 11:40:37,548 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 11:40:37,771 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-13 11:40:38,217 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 11:40:38,548 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 11:40:39,536 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-13 11:40:40,520 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-13 11:40:41,615 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 11:40:42,477 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:40:42,812 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:40:47,227 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:41:01,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:41:01,968 INFO L93 Difference]: Finished difference Result 1838 states and 3066 transitions. [2020-10-13 11:41:01,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:41:01,969 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 129 [2020-10-13 11:41:01,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:41:01,983 INFO L225 Difference]: With dead ends: 1838 [2020-10-13 11:41:01,983 INFO L226 Difference]: Without dead ends: 1126 [2020-10-13 11:41:01,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=242, Invalid=688, Unknown=0, NotChecked=0, Total=930 [2020-10-13 11:41:01,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2020-10-13 11:41:02,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 768. [2020-10-13 11:41:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 768 states. [2020-10-13 11:41:02,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1176 transitions. [2020-10-13 11:41:02,283 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1176 transitions. Word has length 129 [2020-10-13 11:41:02,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:41:02,283 INFO L479 AbstractCegarLoop]: Abstraction has 768 states and 1176 transitions. [2020-10-13 11:41:02,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:41:02,283 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1176 transitions. [2020-10-13 11:41:02,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-13 11:41:02,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:41:02,286 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 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, 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, 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, 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] [2020-10-13 11:41:02,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:41:02,286 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:41:02,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:41:02,287 INFO L82 PathProgramCache]: Analyzing trace with hash -694362224, now seen corresponding path program 1 times [2020-10-13 11:41:02,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:41:02,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [938128027] [2020-10-13 11:41:02,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:41:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:02,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:02,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:03,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:03,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:07,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:07,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-13 11:41:07,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:41:07,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 11:41:07,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:41:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-13 11:41:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:41:07,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:08,216 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:41:08,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:41:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:08,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:08,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:08,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:08,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 11:41:08,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:08,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:08,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:08,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:08,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:08,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:08,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:08,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:08,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:08,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:08,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:08,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:08,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:08,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:41:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:08,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:08,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:41:08,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:08,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:41:08,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:08,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:08,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:08,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:08,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:08,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:08,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:08,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:08,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:08,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:08,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:08,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:08,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:08,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:08,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:08,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:08,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:08,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:08,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:08,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:08,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:08,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:08,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:08,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:08,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:08,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:41:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:08,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:08,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:08,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:08,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:08,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:08,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:08,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:08,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:08,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:08,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 11:41:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:08,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:08,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:08,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:08,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:08,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:08,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:08,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:08,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:41:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:08,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:08,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:08,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:08,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:08,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:08,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:08,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:41:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:08,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:08,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:41:08,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:08,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:08,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:08,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:08,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 11:41:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:08,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:08,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:08,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:08,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:08,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:08,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:08,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:08,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:08,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:08,570 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:41:08,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 11:41:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:08,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:08,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:41:08,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:08,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:41:08,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:08,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:08,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:08,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:08,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:08,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:08,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:08,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:41:08,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:08,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:08,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:08,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:08,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:08,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 11:41:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:08,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:08,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:41:08,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:08,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-13 11:41:08,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:08,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:41:08,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:41:08,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:41:08,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:08,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:08,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:08,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:08,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:08,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:41:08,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:08,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:41:08,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:08,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:08,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:08,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:41:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:08,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:08,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:08,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:41:08,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:08,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 11:41:08,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:41:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 11:41:08,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:09,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:41:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:09,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:09,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:09,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:41:09,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:09,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:41:09,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:41:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:41:09,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:09,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 11:41:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:09,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:09,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:09,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:41:09,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:09,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:41:09,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:09,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:09,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:41:09,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:09,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:09,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:09,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:09,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:09,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:09,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:09,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:09,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:09,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:09,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:09,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:09,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:09,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:09,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:09,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:09,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:09,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:09,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:09,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:09,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:09,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:09,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:09,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:09,293 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 11:41:09,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 11:41:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:09,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:09,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:09,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:41:09,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:09,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:41:09,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:09,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:09,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:41:09,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:09,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:09,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:09,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:09,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:09,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:09,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:09,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:09,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:09,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:09,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 11:41:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:09,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:09,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:09,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:09,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:09,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:09,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:41:09,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:09,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:09,356 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 11:41:09,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [938128027] [2020-10-13 11:41:09,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:41:09,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-13 11:41:09,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560185246] [2020-10-13 11:41:09,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 11:41:09,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:41:09,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 11:41:09,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:41:09,359 INFO L87 Difference]: Start difference. First operand 768 states and 1176 transitions. Second operand 15 states. [2020-10-13 11:41:10,214 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 11:41:10,469 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-13 11:41:10,973 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 11:41:11,343 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 11:41:12,323 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-13 11:41:13,145 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2020-10-13 11:41:13,977 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2020-10-13 11:41:14,772 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-13 11:41:15,585 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2020-10-13 11:41:16,665 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 11:41:17,595 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:41:17,947 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:41:22,870 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:41:36,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:41:36,960 INFO L93 Difference]: Finished difference Result 1841 states and 3067 transitions. [2020-10-13 11:41:36,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-13 11:41:36,961 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 130 [2020-10-13 11:41:36,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:41:36,971 INFO L225 Difference]: With dead ends: 1841 [2020-10-13 11:41:36,971 INFO L226 Difference]: Without dead ends: 1112 [2020-10-13 11:41:36,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=349, Invalid=1057, Unknown=0, NotChecked=0, Total=1406 [2020-10-13 11:41:36,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2020-10-13 11:41:37,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 759. [2020-10-13 11:41:37,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2020-10-13 11:41:37,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1159 transitions. [2020-10-13 11:41:37,196 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1159 transitions. Word has length 130 [2020-10-13 11:41:37,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:41:37,196 INFO L479 AbstractCegarLoop]: Abstraction has 759 states and 1159 transitions. [2020-10-13 11:41:37,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 11:41:37,197 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1159 transitions. [2020-10-13 11:41:37,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-13 11:41:37,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:41:37,199 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 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, 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, 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, 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] [2020-10-13 11:41:37,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:41:37,200 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:41:37,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:41:37,200 INFO L82 PathProgramCache]: Analyzing trace with hash 264736656, now seen corresponding path program 1 times [2020-10-13 11:41:37,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:41:37,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221025707] [2020-10-13 11:41:37,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:41:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:37,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:37,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:37,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:38,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:39,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:39,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:42,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:42,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-13 11:41:42,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:41:42,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 11:41:42,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:42,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:42,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-13 11:41:42,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:41:42,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,088 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-13 11:41:43,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:41:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:43,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 11:41:43,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:43,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:43,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:43,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:43,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:43,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:43,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:41:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:41:43,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:41:43,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:43,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:43,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:43,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:43,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:43,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:43,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:43,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:43,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:43,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:43,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:43,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:41:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:43,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:43,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:43,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:43,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:43,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 11:41:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:43,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:43,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:43,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:43,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:43,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:41:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:43,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:43,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:43,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:41:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:41:43,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:43,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:43,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:43,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:43,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 11:41:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:43,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:43,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:43,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,378 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:41:43,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 11:41:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:41:43,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:41:43,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:43,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:43,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:43,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:43,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:41:43,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:43,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:43,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 11:41:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:41:43,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:41:43,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-13 11:41:43,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:43,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:41:43,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:41:43,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:43,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:43,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:43,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:43,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:43,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:41:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:41:43,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:43,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:41:43,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:43,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:41:43,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:41:43,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:41:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:43,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:41:43,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:43,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:41:43,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:41:43,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 11:41:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:41:43,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:41:43,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:43,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:41:43,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:43,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:43,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:43,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:43,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:43,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:43,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:43,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:43,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:43,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:43,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:43,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:43,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:43,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:43,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:43,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:43,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:43,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:44,092 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 11:41:44,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 11:41:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:44,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:44,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:44,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:41:44,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:44,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:41:44,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:44,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:44,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:41:44,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:44,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:44,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:44,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:44,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:44,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:44,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:44,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:44,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:44,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:44,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:44,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:44,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:44,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 11:41:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:44,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:44,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:44,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:44,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:44,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:44,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:41:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:44,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:44,150 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 11:41:44,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221025707] [2020-10-13 11:41:44,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:41:44,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 11:41:44,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134634068] [2020-10-13 11:41:44,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:41:44,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:41:44,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:41:44,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:41:44,153 INFO L87 Difference]: Start difference. First operand 759 states and 1159 transitions. Second operand 13 states. [2020-10-13 11:41:44,993 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 11:41:45,221 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-13 11:41:45,681 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 11:41:46,040 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 11:41:47,091 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-13 11:41:48,086 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-13 11:41:49,006 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 11:41:49,934 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:41:50,299 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:41:55,268 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:42:11,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:42:11,812 INFO L93 Difference]: Finished difference Result 1823 states and 3034 transitions. [2020-10-13 11:42:11,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:42:11,813 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 130 [2020-10-13 11:42:11,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:42:11,821 INFO L225 Difference]: With dead ends: 1823 [2020-10-13 11:42:11,822 INFO L226 Difference]: Without dead ends: 1117 [2020-10-13 11:42:11,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=242, Invalid=688, Unknown=0, NotChecked=0, Total=930 [2020-10-13 11:42:11,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-10-13 11:42:12,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 762. [2020-10-13 11:42:12,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2020-10-13 11:42:12,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1163 transitions. [2020-10-13 11:42:12,033 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1163 transitions. Word has length 130 [2020-10-13 11:42:12,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:42:12,034 INFO L479 AbstractCegarLoop]: Abstraction has 762 states and 1163 transitions. [2020-10-13 11:42:12,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:42:12,034 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1163 transitions. [2020-10-13 11:42:12,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-13 11:42:12,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:42:12,037 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 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, 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, 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, 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, 1] [2020-10-13 11:42:12,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:42:12,037 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:42:12,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:42:12,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1182261566, now seen corresponding path program 1 times [2020-10-13 11:42:12,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:42:12,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150685311] [2020-10-13 11:42:12,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:42:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:12,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:12,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:12,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:13,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking...