/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_spec9_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:41:21,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:41:21,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:41:21,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:41:21,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:41:21,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:41:21,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:41:21,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:41:21,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:41:21,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:41:21,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:41:21,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:41:21,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:41:21,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:41:21,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:41:21,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:41:21,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:41:21,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:41:21,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:41:21,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:41:21,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:41:21,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:41:21,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:41:21,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:41:21,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:41:21,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:41:21,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:41:21,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:41:21,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:41:21,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:41:21,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:41:21,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:41:21,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:41:21,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:41:21,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:41:21,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:41:21,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:41:21,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:41:21,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:41:21,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:41:21,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:41:21,457 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 11:41:21,502 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:41:21,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:41:21,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:41:21,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:41:21,505 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:41:21,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:41:21,506 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:41:21,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:41:21,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:41:21,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:41:21,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:41:21,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:41:21,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:41:21,508 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:41:21,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:41:21,509 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:41:21,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:41:21,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:41:21,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:41:21,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:41:21,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:41:21,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:41:21,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:41:21,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:41:21,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:41:21,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:41:21,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:41:21,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:41:21,511 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:41:21,511 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 11:41:21,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:41:21,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:41:21,809 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:41:21,810 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:41:21,811 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:41:21,811 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product32.cil.c [2020-10-13 11:41:21,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f83a39a3b/93046a71d07445ce897af6f2d4b313f4/FLAG4548edf97 [2020-10-13 11:41:22,454 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:41:22,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec9_product32.cil.c [2020-10-13 11:41:22,493 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f83a39a3b/93046a71d07445ce897af6f2d4b313f4/FLAG4548edf97 [2020-10-13 11:41:22,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f83a39a3b/93046a71d07445ce897af6f2d4b313f4 [2020-10-13 11:41:22,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:41:22,703 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:41:22,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:41:22,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:41:22,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:41:22,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:41:22" (1/1) ... [2020-10-13 11:41:22,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16661b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:22, skipping insertion in model container [2020-10-13 11:41:22,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:41:22" (1/1) ... [2020-10-13 11:41:22,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:41:22,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:41:23,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:41:23,529 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:41:23,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:41:23,702 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:41:23,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:23 WrapperNode [2020-10-13 11:41:23,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:41:23,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:41:23,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:41:23,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:41:23,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:23" (1/1) ... [2020-10-13 11:41:23,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:23" (1/1) ... [2020-10-13 11:41:23,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:23" (1/1) ... [2020-10-13 11:41:23,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:23" (1/1) ... [2020-10-13 11:41:23,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:23" (1/1) ... [2020-10-13 11:41:23,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:23" (1/1) ... [2020-10-13 11:41:23,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:23" (1/1) ... [2020-10-13 11:41:23,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:41:23,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:41:23,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:41:23,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:41:23,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:23" (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 11:41:23,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:41:23,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:41:23,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:41:23,988 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:41:23,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:41:23,988 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:41:23,988 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:41:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:41:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:41:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:41:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:41:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:41:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:41:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2020-10-13 11:41:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2020-10-13 11:41:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2020-10-13 11:41:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2020-10-13 11:41:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:41:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:41:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:41:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:41:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:41:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:41:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-13 11:41:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:41:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:41:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:41:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:41:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:41:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:41:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:41:23,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:41:23,994 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:41:23,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:41:23,994 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-13 11:41:23,994 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-13 11:41:23,994 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:41:23,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:41:23,995 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:41:23,995 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-13 11:41:23,995 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-13 11:41:23,995 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:41:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:41:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:41:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-13 11:41:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:41:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-13 11:41:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:41:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:41:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-13 11:41:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-13 11:41:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:41:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:41:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:41:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:41:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:41:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:41:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:41:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:41:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:41:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:41:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:41:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:41:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:41:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:41:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:41:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:41:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:41:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:41:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:41:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:41:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:41:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:41:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:41:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:41:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:41:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:41:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:41:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:41:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:41:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:41:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:41:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:41:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:41:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:41:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:41:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:41:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:41:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:41:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:41:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:41:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:41:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:41:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:41:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:41:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:41:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:41:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:41:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:41:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:41:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2020-10-13 11:41:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2020-10-13 11:41:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2020-10-13 11:41:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2020-10-13 11:41:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:41:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:41:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:41:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:41:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:41:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:41:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:41:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:41:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:41:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:41:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:41:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:41:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-13 11:41:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-13 11:41:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:41:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:41:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-13 11:41:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:41:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:41:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:41:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:41:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:41:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-13 11:41:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-13 11:41:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:41:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:41:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-13 11:41:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-13 11:41:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:41:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:41:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:41:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-13 11:41:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-13 11:41:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:41:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:41:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:41:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:41:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:41:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:41:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:41:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:41:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:41:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:41:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:41:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:41:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:41:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:41:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:41:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:41:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:41:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:41:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:41:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:41:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:41:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:41:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:41:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:41:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:41:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:41:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:41:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:41:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:41:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:41:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:41:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:41:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:41:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:41:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:41:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:41:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:41:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:41:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:41:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:41:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:41:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:41:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:41:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:41:28,270 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:41:28,271 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:41:28,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:41:28 BoogieIcfgContainer [2020-10-13 11:41:28,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:41:28,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:41:28,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:41:28,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:41:28,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:41:22" (1/3) ... [2020-10-13 11:41:28,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479428ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:41:28, skipping insertion in model container [2020-10-13 11:41:28,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:23" (2/3) ... [2020-10-13 11:41:28,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479428ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:41:28, skipping insertion in model container [2020-10-13 11:41:28,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:41:28" (3/3) ... [2020-10-13 11:41:28,290 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product32.cil.c [2020-10-13 11:41:28,305 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:41:28,316 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:41:28,338 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:41:28,372 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:41:28,372 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:41:28,372 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:41:28,373 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:41:28,373 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:41:28,373 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:41:28,373 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:41:28,373 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:41:28,415 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states. [2020-10-13 11:41:28,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-13 11:41:28,431 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:41:28,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:28,433 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:41:28,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:41:28,442 INFO L82 PathProgramCache]: Analyzing trace with hash 165755889, now seen corresponding path program 1 times [2020-10-13 11:41:28,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:41:28,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769152711] [2020-10-13 11:41:28,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:41:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:29,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:29,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:29,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:33,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:34,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:34,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 11:41:34,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:41:34,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5070 [2020-10-13 11:41:34,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:34,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:41:34,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:41:34,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:41:34,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:41:35,193 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:41:35,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:41:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:35,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:35,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:35,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:35,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:35,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 11:41:35,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:35,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:35,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:35,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:35,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:35,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:35,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:35,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:35,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:35,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:35,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:35,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:35,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:35,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:41:35,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:41:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:35,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:35,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:35,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:35,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:35,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:35,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:35,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:35,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:35,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:35,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:35,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:41:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:35,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:35,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:35,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:35,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:35,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:35,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:35,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:35,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:35,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:35,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:35,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:41:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:35,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:35,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:35,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:35,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:35,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:35,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:35,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:35,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:35,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:35,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:35,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:41:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:35,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:35,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:35,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:35,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:35,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:41:35,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:35,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:35,586 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:41:35,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:41:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:35,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:35,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:35,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:35,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:36,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:38,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:40,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:40,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 11:41:40,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:41:40,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:41:40,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:40,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:40,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-13 11:41:40,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:40,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:40,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:41:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:40,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:40,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:40,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:40,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:40,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:41,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:41,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:41:41,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:41:41,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 723 [2020-10-13 11:41:41,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:41,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:41,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:41,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:41:41,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:41,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:41,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:41,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:41,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:41,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:41,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:41:41,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:41,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:41,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:41,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:41,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:41,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:41:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:41,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:41,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:41,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:41,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:41:41,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:41,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 11:41:41,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:41,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:41,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:41,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:41,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:41,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:41:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:41,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:41,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:41,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:41,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:41,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:41,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:41,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:41:41,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:41:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:41,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:41,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:41,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:41,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 11:41:41,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:41,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-13 11:41:41,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:41,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:41,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 11:41:41,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:41,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:41:41,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:41,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:41,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:41,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:41,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:41:41,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:41,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 11:41:41,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:41,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:41,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:41,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:41,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:41:41,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:41,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:41,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:41,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:41,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:41,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:41,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:41,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:41,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:41,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:41,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:41,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:41:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:41,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:41,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:41,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:41,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:41:41,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:41,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:41:41,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:41,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:41,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:41,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:41,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:41,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:41,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:41,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:41,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:41,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:41,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:41,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:41,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:41,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:41,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:41,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:41,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:41,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:41,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:41,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:41,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:41,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:41,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:41,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:41,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:41:42,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:41:42,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769152711] [2020-10-13 11:41:42,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:41:42,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 11:41:42,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105324528] [2020-10-13 11:41:42,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 11:41:42,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:41:42,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 11:41:42,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-13 11:41:42,036 INFO L87 Difference]: Start difference. First operand 824 states. Second operand 7 states. [2020-10-13 11:41:44,208 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:42:02,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:42:02,756 INFO L93 Difference]: Finished difference Result 1145 states and 2024 transitions. [2020-10-13 11:42:02,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:42:02,763 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2020-10-13 11:42:02,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:42:02,798 INFO L225 Difference]: With dead ends: 1145 [2020-10-13 11:42:02,798 INFO L226 Difference]: Without dead ends: 1095 [2020-10-13 11:42:02,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:42:02,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2020-10-13 11:42:03,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 657. [2020-10-13 11:42:03,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-10-13 11:42:03,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1038 transitions. [2020-10-13 11:42:03,063 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1038 transitions. Word has length 87 [2020-10-13 11:42:03,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:42:03,064 INFO L479 AbstractCegarLoop]: Abstraction has 657 states and 1038 transitions. [2020-10-13 11:42:03,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 11:42:03,064 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1038 transitions. [2020-10-13 11:42:03,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-13 11:42:03,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:42:03,071 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:42:03,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:42:03,071 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:42:03,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:42:03,072 INFO L82 PathProgramCache]: Analyzing trace with hash -481392352, now seen corresponding path program 1 times [2020-10-13 11:42:03,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:42:03,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [239221955] [2020-10-13 11:42:03,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:42:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:03,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:03,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:03,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:03,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:06,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:07,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:08,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:08,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 11:42:08,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:42:08,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-10-13 11:42:08,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:08,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:08,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:42:08,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:42:08,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:09,010 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:42:09,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:09,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:09,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:09,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:09,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 11:42:09,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:09,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:09,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:09,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:09,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:09,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:09,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:09,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:09,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:09,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:09,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:09,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:09,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:09,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:09,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:09,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:09,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:09,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:09,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:09,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:09,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:09,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:09,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:42:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:09,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:09,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:09,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:09,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:09,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:09,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:09,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:09,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:09,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:09,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:42:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:09,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:09,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:09,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:09,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:09,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:09,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:09,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:09,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:09,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:09,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:42:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:09,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:09,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:09,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:09,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:09,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:09,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:09,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:09,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:09,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:09,315 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:42:09,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:42:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:09,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:14,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-13 11:42:14,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:42:14,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4709 [2020-10-13 11:42:14,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:14,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:14,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:42:14,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:42:14,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:14,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:14,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:14,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:42:14,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:42:14,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 546 [2020-10-13 11:42:14,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:14,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:14,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:42:14,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:42:14,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:14,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:14,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:14,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:14,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:14,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:14,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:42:14,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:42:14,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:14,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:42:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:14,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:14,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:42:14,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:14,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 11:42:14,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:14,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:14,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:42:14,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:14,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:14,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:42:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:14,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:14,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:14,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:14,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:14,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:14,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:14,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:14,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:14,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:14,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:42:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:14,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:14,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 11:42:14,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:14,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-13 11:42:14,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:14,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:14,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-13 11:42:14,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:14,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:14,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:14,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:42:15,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:15,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 11:42:15,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:15,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:15,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:42:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:42:15,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:15,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:42:15,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:15,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:15,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:15,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:15,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:42:15,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [239221955] [2020-10-13 11:42:15,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:42:15,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:42:15,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927657459] [2020-10-13 11:42:15,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:42:15,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:42:15,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:42:15,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:42:15,160 INFO L87 Difference]: Start difference. First operand 657 states and 1038 transitions. Second operand 9 states. [2020-10-13 11:42:17,135 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-13 11:42:17,896 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-13 11:42:40,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:42:40,502 INFO L93 Difference]: Finished difference Result 1715 states and 2935 transitions. [2020-10-13 11:42:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 11:42:40,503 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-13 11:42:40,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:42:40,514 INFO L225 Difference]: With dead ends: 1715 [2020-10-13 11:42:40,515 INFO L226 Difference]: Without dead ends: 1095 [2020-10-13 11:42:40,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:42:40,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2020-10-13 11:42:40,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 657. [2020-10-13 11:42:40,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-10-13 11:42:40,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1037 transitions. [2020-10-13 11:42:40,691 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1037 transitions. Word has length 89 [2020-10-13 11:42:40,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:42:40,691 INFO L479 AbstractCegarLoop]: Abstraction has 657 states and 1037 transitions. [2020-10-13 11:42:40,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:42:40,692 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1037 transitions. [2020-10-13 11:42:40,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-13 11:42:40,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:42:40,695 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:42:40,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:42:40,696 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:42:40,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:42:40,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1802747224, now seen corresponding path program 1 times [2020-10-13 11:42:40,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:42:40,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [898307175] [2020-10-13 11:42:40,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:42:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:40,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:40,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:40,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:43,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:45,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:45,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-13 11:42:45,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:42:45,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5053 [2020-10-13 11:42:45,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:45,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:45,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:42:45,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:42:45,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:46,607 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:42:46,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:46,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:46,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:46,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:46,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:46,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:42:46,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:46,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:46,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:46,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:46,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:46,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:46,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:46,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:46,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:46,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:46,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:46,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:46,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:46,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:46,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:46,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:46,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:46,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:46,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:46,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:46,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:46,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:46,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:46,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:46,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:46,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:46,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:42:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:46,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:46,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:46,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:46,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:46,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:46,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:46,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:46,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:46,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:46,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:46,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:42:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:46,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:46,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:46,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:46,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:46,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:46,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:46,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:46,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:46,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:46,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:46,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:42:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:46,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:46,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:46,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:46,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:46,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:46,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:46,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:46,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:46,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:46,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:46,909 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:42:46,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:42:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:46,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:46,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:46,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:47,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:47,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:50,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:50,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 11:42:50,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:42:50,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3834 [2020-10-13 11:42:50,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:50,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:50,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:42:50,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:42:50,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:50,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:50,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:50,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:50,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:50,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:51,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:51,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:42:51,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:42:51,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-13 11:42:51,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:51,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:51,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:42:51,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:42:51,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:51,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:51,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:51,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:51,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:51,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:42:51,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:51,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:42:51,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:51,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:51,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:51,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:51,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:51,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:42:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:51,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:51,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:51,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:42:51,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:51,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:42:51,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:51,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:51,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:42:51,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:42:51,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:51,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:42:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:51,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:51,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:51,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:51,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:51,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:42:51,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:51,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:42:51,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:51,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:42:51,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:51,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:42:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:51,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:51,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:51,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:51,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 11:42:51,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:51,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-13 11:42:51,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:51,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:51,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-13 11:42:51,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:51,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:51,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:51,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:51,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:51,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:51,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:42:51,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:51,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 11:42:51,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:51,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:51,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:51,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:51,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:51,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:51,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:51,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:51,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:51,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:51,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:51,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:51,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:51,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:51,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:51,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:51,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:42:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:51,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:51,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:51,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:51,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:42:51,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:51,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:42:51,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:51,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:51,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:51,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:51,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:51,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:51,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:51,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:51,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:51,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:51,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:51,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:51,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:51,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:51,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:51,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:51,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:51,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:51,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:51,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:51,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:51,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:42:51,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [898307175] [2020-10-13 11:42:51,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:42:51,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:42:51,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164719606] [2020-10-13 11:42:51,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:42:51,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:42:51,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:42:51,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:42:51,733 INFO L87 Difference]: Start difference. First operand 657 states and 1037 transitions. Second operand 9 states. [2020-10-13 11:42:53,506 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-13 11:42:54,496 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:43:11,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:43:11,977 INFO L93 Difference]: Finished difference Result 1669 states and 2850 transitions. [2020-10-13 11:43:11,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 11:43:11,978 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-13 11:43:11,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:43:11,988 INFO L225 Difference]: With dead ends: 1669 [2020-10-13 11:43:11,988 INFO L226 Difference]: Without dead ends: 1095 [2020-10-13 11:43:11,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-13 11:43:11,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2020-10-13 11:43:12,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 657. [2020-10-13 11:43:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-10-13 11:43:12,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1032 transitions. [2020-10-13 11:43:12,190 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1032 transitions. Word has length 90 [2020-10-13 11:43:12,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:43:12,191 INFO L479 AbstractCegarLoop]: Abstraction has 657 states and 1032 transitions. [2020-10-13 11:43:12,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:43:12,191 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1032 transitions. [2020-10-13 11:43:12,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 11:43:12,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:43:12,193 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:43:12,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:43:12,193 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:43:12,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:43:12,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1133454141, now seen corresponding path program 1 times [2020-10-13 11:43:12,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:43:12,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [369897231] [2020-10-13 11:43:12,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:43:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:12,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:12,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:12,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:12,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:13,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:16,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:16,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:17,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:17,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-13 11:43:17,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:43:17,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 11:43:17,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:17,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:43:17,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:43:17,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:43:17,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:18,090 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:43:18,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:43:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:18,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:18,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:18,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:18,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:18,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 11:43:18,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:18,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:18,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:18,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:18,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:18,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:43:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:18,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:18,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:18,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:43:18,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:18,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:18,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:18,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:18,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:43:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:18,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:18,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:18,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:43:18,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:18,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:18,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:18,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:18,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:18,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:18,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:18,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:43:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:18,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:18,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:18,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:18,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:18,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:18,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:18,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:18,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:18,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:18,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:18,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:43:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:18,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:18,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:18,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:43:18,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:18,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:18,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:18,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:18,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:18,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:18,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:43:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:18,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:18,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:18,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:18,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:18,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:43:18,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:18,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:18,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:18,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:18,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:43:18,438 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:43:18,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:43:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:18,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:18,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:18,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:18,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:18,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:21,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:21,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 11:43:21,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:43:21,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3412 [2020-10-13 11:43:21,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:21,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:43:21,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:43:21,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:43:21,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:21,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:43:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:21,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:21,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:22,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:43:22,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:43:22,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-10-13 11:43:22,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:43:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:43:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:43:22,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:22,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:22,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:22,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:43:22,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:22,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:43:22,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:22,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:43:22,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:43:22,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:43:22,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:22,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:43:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:22,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:22,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:43:22,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:43:22,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:43:22,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:22,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:43:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:22,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:22,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:43:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:22,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:22,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:22,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:22,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:22,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:22,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:22,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:22,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:22,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:43:22,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:43:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:22,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:22,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 11:43:22,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:43:22,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-13 11:43:22,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-13 11:43:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:22,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:22,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:22,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:22,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:43:22,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:43:22,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 11:43:22,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:22,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:22,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:22,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:22,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:22,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:22,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:22,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:22,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:22,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:22,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:22,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:22,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:43:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:22,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:22,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:43:22,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:43:22,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:43:22,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:22,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:22,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:22,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:22,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 44 [2020-10-13 11:43:22,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:22,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:22,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:22,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:22,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:43:22,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:22,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:22,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:22,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:22,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:22,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:43:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:22,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:22,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:22,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:22,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:22,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:22,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:22,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:43:22,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:43:22,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [369897231] [2020-10-13 11:43:22,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:43:22,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:43:22,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60227493] [2020-10-13 11:43:22,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:43:22,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:43:22,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:43:22,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:43:22,711 INFO L87 Difference]: Start difference. First operand 657 states and 1032 transitions. Second operand 9 states. [2020-10-13 11:43:24,600 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-13 11:43:25,349 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-13 11:43:26,400 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:43:43,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:43:43,577 INFO L93 Difference]: Finished difference Result 1715 states and 2924 transitions. [2020-10-13 11:43:43,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 11:43:43,578 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-10-13 11:43:43,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:43:43,586 INFO L225 Difference]: With dead ends: 1715 [2020-10-13 11:43:43,586 INFO L226 Difference]: Without dead ends: 1095 [2020-10-13 11:43:43,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:43:43,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2020-10-13 11:43:43,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 657. [2020-10-13 11:43:43,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-10-13 11:43:43,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1031 transitions. [2020-10-13 11:43:43,757 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1031 transitions. Word has length 91 [2020-10-13 11:43:43,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:43:43,758 INFO L479 AbstractCegarLoop]: Abstraction has 657 states and 1031 transitions. [2020-10-13 11:43:43,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:43:43,758 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1031 transitions. [2020-10-13 11:43:43,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-13 11:43:43,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:43:43,760 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:43:43,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:43:43,761 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:43:43,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:43:43,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1710269319, now seen corresponding path program 1 times [2020-10-13 11:43:43,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:43:43,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1288001099] [2020-10-13 11:43:43,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:43:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:43,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:43,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:44,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:44,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:45,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:48,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:48,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-13 11:43:48,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:43:48,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:43:48,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:48,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:43:48,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:43:48,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:43:48,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:49,633 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:43:49,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:43:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:49,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:49,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:49,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:49,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:49,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:43:49,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:49,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:49,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:49,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:49,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:49,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:43:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:49,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:49,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:49,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:43:49,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:49,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:49,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:49,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:49,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:49,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:49,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:49,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:43:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:49,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:49,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:49,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:43:49,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:49,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:49,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:49,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:49,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:49,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:49,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:49,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:43:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:49,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:49,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:49,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:49,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:49,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:49,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:49,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:49,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:49,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:49,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:49,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:43:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:49,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:49,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:49,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:43:49,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:49,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:49,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:49,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:49,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:49,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:49,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:49,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:43:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:49,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:49,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:49,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:49,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:49,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:49,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:49,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:49,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:49,929 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:43:49,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:43:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:49,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:49,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:49,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:50,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:50,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 11:43:52,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:43:52,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2930 [2020-10-13 11:43:52,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:43:52,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-13 11:43:52,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:43:52,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:43:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:53,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:53,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:53,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:53,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:53,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:53,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:53,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:43:53,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:43:53,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329 [2020-10-13 11:43:53,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:53,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:53,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:53,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:53,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:53,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:53,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:53,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:53,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:53,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:43:53,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:43:53,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:43:53,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:53,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:53,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:43:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:53,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:53,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:53,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:53,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:43:53,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:43:53,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:43:53,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:53,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:53,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:53,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:53,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:53,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:43:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:53,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:53,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:53,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:53,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:53,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:53,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:53,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:53,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:53,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:53,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:53,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 11:43:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:53,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:53,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:53,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 11:43:53,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:53,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 11:43:53,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:53,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:43:53,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 11:43:53,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:43:53,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:53,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:53,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:53,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:53,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:43:53,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:53,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 11:43:53,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:53,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:43:53,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-13 11:43:53,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:43:53,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:53,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:53,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:53,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:53,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:53,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:53,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:53,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:53,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:53,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:53,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:53,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:53,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:43:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:53,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:53,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:53,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:43:53,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:53,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:43:53,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:43:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:43:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:43:53,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:53,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:53,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:53,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:53,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:53,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:53,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:53,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:53,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:53,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:53,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:53,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:53,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:43:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:53,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:53,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:53,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:53,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:53,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:43:53,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:53,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:43:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:43:53,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:53,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:43:53,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1288001099] [2020-10-13 11:43:53,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:43:53,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:43:53,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985514420] [2020-10-13 11:43:53,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:43:53,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:43:53,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:43:53,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:43:53,684 INFO L87 Difference]: Start difference. First operand 657 states and 1031 transitions. Second operand 10 states. [2020-10-13 11:43:56,250 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:43:57,303 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-13 11:43:58,170 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-13 11:43:58,989 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-13 11:44:14,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:44:14,722 INFO L93 Difference]: Finished difference Result 1665 states and 2859 transitions. [2020-10-13 11:44:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 11:44:14,723 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 92 [2020-10-13 11:44:14,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:44:14,732 INFO L225 Difference]: With dead ends: 1665 [2020-10-13 11:44:14,732 INFO L226 Difference]: Without dead ends: 1101 [2020-10-13 11:44:14,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-13 11:44:14,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2020-10-13 11:44:14,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 661. [2020-10-13 11:44:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-10-13 11:44:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 1036 transitions. [2020-10-13 11:44:14,888 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 1036 transitions. Word has length 92 [2020-10-13 11:44:14,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:44:14,889 INFO L479 AbstractCegarLoop]: Abstraction has 661 states and 1036 transitions. [2020-10-13 11:44:14,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:44:14,889 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1036 transitions. [2020-10-13 11:44:14,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-13 11:44:14,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:44:14,891 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 11:44:14,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:44:14,892 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:44:14,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:44:14,892 INFO L82 PathProgramCache]: Analyzing trace with hash 802563996, now seen corresponding path program 1 times [2020-10-13 11:44:14,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:44:14,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [928884321] [2020-10-13 11:44:14,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:44:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:15,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:15,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:15,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:16,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:19,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:20,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:20,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-13 11:44:20,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:44:20,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5199 [2020-10-13 11:44:20,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:20,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:44:20,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:44:20,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:44:20,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:44:21,002 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:44:21,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:44:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:21,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:21,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:21,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:21,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:21,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:44:21,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:21,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:21,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:21,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:21,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:21,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:44:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:21,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:21,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:21,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:44:21,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:21,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:21,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:21,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:21,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:21,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:21,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:21,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:44:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:21,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:21,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:21,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:44:21,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:21,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:21,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:21,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:21,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:21,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:21,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:21,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:44:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:21,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:21,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:21,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:21,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:21,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:21,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:21,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:21,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:21,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:44:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:21,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:21,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:21,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:44:21,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:21,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:21,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:21,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:21,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:21,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:21,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:21,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:44:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:21,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:21,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:21,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:21,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:21,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:21,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:21,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:21,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:21,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:21,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:21,270 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:44:21,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:44:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:21,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:21,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:21,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:21,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:21,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:26,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-13 11:44:26,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:44:26,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4860 [2020-10-13 11:44:26,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:26,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:44:26,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:44:26,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:44:26,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:26,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:44:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:26,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:26,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:44:26,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:44:26,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-13 11:44:26,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:26,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:44:26,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:44:26,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:44:26,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:26,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:26,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:26,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:44:26,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:26,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:44:26,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:44:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:44:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:44:26,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:26,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:44:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:26,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:26,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:44:26,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:44:26,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:44:26,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:26,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:26,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:44:26,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:26,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:26,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:44:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:26,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:26,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:26,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:26,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:26,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:26,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:26,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 11:44:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:26,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:26,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 11:44:26,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:44:26,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-13 11:44:26,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 11:44:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:26,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:26,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:26,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:26,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 11:44:26,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:44:26,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 11:44:26,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:26,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:26,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:26,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:26,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:26,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:26,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:26,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:26,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:26,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:26,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:26,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:26,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:26,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:26,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:26,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:44:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:26,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:26,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:44:26,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:26,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:44:26,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:26,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:26,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:26,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:26,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:26,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:26,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:26,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:26,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:26,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:26,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:26,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:26,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:26,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:26,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:26,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:44:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:26,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:26,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:26,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:26,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:26,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:26,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:26,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:26,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:26,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:26,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:44:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:26,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:26,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:26,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:26,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:26,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:26,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:26,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:26,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:26,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:26,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:26,810 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:44:26,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [928884321] [2020-10-13 11:44:26,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:44:26,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:44:26,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980090622] [2020-10-13 11:44:26,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:44:26,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:44:26,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:44:26,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:44:26,812 INFO L87 Difference]: Start difference. First operand 661 states and 1036 transitions. Second operand 9 states. [2020-10-13 11:44:28,248 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-13 11:44:29,031 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-13 11:44:30,099 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:44:49,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:44:49,637 INFO L93 Difference]: Finished difference Result 1723 states and 2933 transitions. [2020-10-13 11:44:49,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 11:44:49,638 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-10-13 11:44:49,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:44:49,647 INFO L225 Difference]: With dead ends: 1723 [2020-10-13 11:44:49,647 INFO L226 Difference]: Without dead ends: 1099 [2020-10-13 11:44:49,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:44:49,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2020-10-13 11:44:49,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 661. [2020-10-13 11:44:49,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-10-13 11:44:49,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 1035 transitions. [2020-10-13 11:44:49,773 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 1035 transitions. Word has length 98 [2020-10-13 11:44:49,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:44:49,774 INFO L479 AbstractCegarLoop]: Abstraction has 661 states and 1035 transitions. [2020-10-13 11:44:49,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:44:49,774 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1035 transitions. [2020-10-13 11:44:49,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-13 11:44:49,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:44:49,776 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 11:44:49,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:44:49,776 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:44:49,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:44:49,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1008218852, now seen corresponding path program 1 times [2020-10-13 11:44:49,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:44:49,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1651470122] [2020-10-13 11:44:49,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:44:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:49,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:49,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:49,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:50,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:51,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:52,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:52,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:53,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:54,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:54,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 11:44:54,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:44:54,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 11:44:54,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:54,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:44:54,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 11:44:54,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:44:54,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,635 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:44:55,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:44:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:55,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 11:44:55,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:55,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:44:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:44:55,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:55,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:55,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:44:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:44:55,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:55,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:55,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:44:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:55,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:55,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:55,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:44:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:44:55,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:55,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:55,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:44:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:55,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:55,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:55,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,939 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:44:55,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:44:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:56,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:56,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:56,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:00,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:00,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 11:45:00,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:45:00,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4816 [2020-10-13 11:45:00,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:45:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 11:45:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:45:00,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:45:00,920 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 11:45:00,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:45:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:00,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:00,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:00,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:00,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:01,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:01,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:45:01,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:45:01,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-10-13 11:45:01,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:45:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:45:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:45:01,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:01,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:45:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:01,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:01,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:01,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:01,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:45:01,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:45:01,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:45:01,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:01,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:01,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:01,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:01,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:01,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:45:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:01,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:01,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:01,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:45:01,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:01,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:45:01,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:01,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:45:01,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:45:01,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 11:45:01,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:01,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:45:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:01,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:01,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:01,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:01,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:01,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:45:01,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:45:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:45:01,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:01,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 11:45:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:01,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:01,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:01,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:01,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 11:45:01,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:45:01,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-13 11:45:01,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:01,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:01,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 11:45:01,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:01,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:01,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:45:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:01,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:01,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:01,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:01,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 11:45:01,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:45:01,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 11:45:01,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:01,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:01,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:01,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:01,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:01,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:45:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:01,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:01,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:01,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:45:01,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:01,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:01,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:01,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:01,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:01,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:01,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:01,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:45:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:01,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:01,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:01,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:45:01,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:01,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:45:01,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:01,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:01,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:01,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:01,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:01,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:45:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:01,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:01,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:01,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:45:01,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:01,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:01,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:01,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:01,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:01,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:01,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:01,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:45:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:01,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:01,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:01,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:01,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:01,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:01,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:01,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:01,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:01,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:01,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:01,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:45:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:01,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:01,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:01,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:45:01,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:01,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:01,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:01,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:01,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:45:01,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1651470122] [2020-10-13 11:45:01,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:45:01,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:45:01,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550955297] [2020-10-13 11:45:01,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:45:01,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:45:01,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:45:01,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:45:01,554 INFO L87 Difference]: Start difference. First operand 661 states and 1035 transitions. Second operand 9 states.