/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_spec2_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 05:59:40,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 05:59:40,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 05:59:40,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 05:59:40,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 05:59:40,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 05:59:40,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 05:59:40,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 05:59:40,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 05:59:40,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 05:59:40,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 05:59:40,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 05:59:40,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 05:59:40,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 05:59:40,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 05:59:40,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 05:59:40,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 05:59:40,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 05:59:40,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 05:59:40,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 05:59:40,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 05:59:40,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 05:59:40,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 05:59:40,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 05:59:40,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 05:59:40,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 05:59:40,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 05:59:40,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 05:59:40,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 05:59:40,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 05:59:40,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 05:59:40,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 05:59:40,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 05:59:40,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 05:59:40,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 05:59:40,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 05:59:40,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 05:59:40,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 05:59:40,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 05:59:40,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 05:59:40,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 05:59:40,762 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 [2020-10-14 05:59:40,783 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 05:59:40,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 05:59:40,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 05:59:40,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 05:59:40,785 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 05:59:40,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 05:59:40,785 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 05:59:40,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 05:59:40,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 05:59:40,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 05:59:40,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 05:59:40,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 05:59:40,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 05:59:40,787 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 05:59:40,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 05:59:40,787 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 05:59:40,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 05:59:40,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 05:59:40,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 05:59:40,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 05:59:40,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 05:59:40,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:59:40,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 05:59:40,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 05:59:40,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 05:59:40,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 05:59:40,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 05:59:40,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 05:59:40,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 05:59:40,790 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 05:59:41,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 05:59:41,150 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 05:59:41,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 05:59:41,157 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 05:59:41,157 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 05:59:41,158 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product28.cil.c [2020-10-14 05:59:41,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de6c4dcc6/b748d77abeeb471184360a4fd2354dbb/FLAG96df5965c [2020-10-14 05:59:41,791 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 05:59:41,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product28.cil.c [2020-10-14 05:59:41,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de6c4dcc6/b748d77abeeb471184360a4fd2354dbb/FLAG96df5965c [2020-10-14 05:59:42,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de6c4dcc6/b748d77abeeb471184360a4fd2354dbb [2020-10-14 05:59:42,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 05:59:42,065 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 05:59:42,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 05:59:42,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 05:59:42,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 05:59:42,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:59:42" (1/1) ... [2020-10-14 05:59:42,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235570cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:59:42, skipping insertion in model container [2020-10-14 05:59:42,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:59:42" (1/1) ... [2020-10-14 05:59:42,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 05:59:42,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 05:59:42,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:59:42,974 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 05:59:43,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:59:43,207 INFO L208 MainTranslator]: Completed translation [2020-10-14 05:59:43,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:59:43 WrapperNode [2020-10-14 05:59:43,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 05:59:43,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 05:59:43,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 05:59:43,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 05:59:43,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:59:43" (1/1) ... [2020-10-14 05:59:43,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:59:43" (1/1) ... [2020-10-14 05:59:43,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:59:43" (1/1) ... [2020-10-14 05:59:43,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:59:43" (1/1) ... [2020-10-14 05:59:43,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:59:43" (1/1) ... [2020-10-14 05:59:43,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:59:43" (1/1) ... [2020-10-14 05:59:43,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:59:43" (1/1) ... [2020-10-14 05:59:43,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 05:59:43,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 05:59:43,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 05:59:43,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 05:59:43,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:59:43" (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 [2020-10-14 05:59:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 05:59:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 05:59:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 05:59:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-14 05:59:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-14 05:59:43,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-14 05:59:43,484 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-14 05:59:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-14 05:59:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-14 05:59:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-14 05:59:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-14 05:59:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-14 05:59:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-14 05:59:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-14 05:59:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-14 05:59:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-14 05:59:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-14 05:59:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-14 05:59:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-14 05:59:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-14 05:59:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-14 05:59:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-14 05:59:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-14 05:59:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-14 05:59:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-14 05:59:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-14 05:59:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-14 05:59:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-14 05:59:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-14 05:59:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 05:59:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-14 05:59:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-14 05:59:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-14 05:59:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-14 05:59:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-14 05:59:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 05:59:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 05:59:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 05:59:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 05:59:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 05:59:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-14 05:59:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-14 05:59:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-14 05:59:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-14 05:59:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-14 05:59:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-14 05:59:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-14 05:59:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-14 05:59:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 05:59:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-14 05:59:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-14 05:59:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-14 05:59:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-14 05:59:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-14 05:59:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-14 05:59:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-14 05:59:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-14 05:59:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-14 05:59:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-14 05:59:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-14 05:59:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 05:59:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-14 05:59:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-14 05:59:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-14 05:59:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 05:59:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-14 05:59:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 05:59:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 05:59:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 05:59:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 05:59:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 05:59:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 05:59:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 05:59:43,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 05:59:43,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 05:59:43,503 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-14 05:59:43,503 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-14 05:59:43,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-14 05:59:43,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-14 05:59:43,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-14 05:59:43,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-14 05:59:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 05:59:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 05:59:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 05:59:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-14 05:59:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-14 05:59:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-14 05:59:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-14 05:59:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-14 05:59:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-14 05:59:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-14 05:59:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-14 05:59:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-14 05:59:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 05:59:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-14 05:59:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-14 05:59:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-14 05:59:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-14 05:59:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-14 05:59:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-14 05:59:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-14 05:59:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-14 05:59:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-14 05:59:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-14 05:59:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-14 05:59:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-14 05:59:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-14 05:59:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-14 05:59:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-14 05:59:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-14 05:59:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-14 05:59:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-14 05:59:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-14 05:59:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-14 05:59:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-14 05:59:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-14 05:59:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-14 05:59:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-14 05:59:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-14 05:59:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-14 05:59:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-14 05:59:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-14 05:59:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-14 05:59:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-14 05:59:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-14 05:59:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 05:59:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-14 05:59:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 05:59:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 05:59:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 05:59:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 05:59:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 05:59:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-14 05:59:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-14 05:59:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-14 05:59:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 05:59:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 05:59:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-14 05:59:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 05:59:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-14 05:59:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-14 05:59:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-14 05:59:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-14 05:59:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-14 05:59:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-14 05:59:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-14 05:59:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-14 05:59:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-14 05:59:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-14 05:59:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 05:59:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-14 05:59:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 05:59:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-14 05:59:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-14 05:59:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 05:59:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 05:59:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 05:59:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 05:59:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 05:59:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 05:59:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 05:59:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 05:59:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 05:59:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 05:59:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 05:59:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 05:59:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 05:59:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 05:59:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 05:59:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 05:59:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 05:59:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 05:59:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-14 05:59:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-14 05:59:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 05:59:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 05:59:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 05:59:45,993 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 05:59:45,993 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-14 05:59:46,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:59:46 BoogieIcfgContainer [2020-10-14 05:59:46,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 05:59:46,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 05:59:46,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 05:59:46,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 05:59:46,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:59:42" (1/3) ... [2020-10-14 05:59:46,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae747f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:59:46, skipping insertion in model container [2020-10-14 05:59:46,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:59:43" (2/3) ... [2020-10-14 05:59:46,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae747f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:59:46, skipping insertion in model container [2020-10-14 05:59:46,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:59:46" (3/3) ... [2020-10-14 05:59:46,019 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product28.cil.c [2020-10-14 05:59:46,029 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 05:59:46,040 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 05:59:46,054 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 05:59:46,088 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 05:59:46,088 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 05:59:46,088 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 05:59:46,088 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 05:59:46,088 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 05:59:46,088 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 05:59:46,089 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 05:59:46,089 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 05:59:46,136 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states. [2020-10-14 05:59:46,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-14 05:59:46,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:59:46,158 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] [2020-10-14 05:59:46,158 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:59:46,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:59:46,164 INFO L82 PathProgramCache]: Analyzing trace with hash -247911758, now seen corresponding path program 1 times [2020-10-14 05:59:46,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:59:46,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796387719] [2020-10-14 05:59:46,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:59:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:46,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:47,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:47,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:47,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:51,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:51,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 05:59:51,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:59:51,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5072 [2020-10-14 05:59:51,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:51,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:51,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-14 05:59:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:51,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 05:59:52,957 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:59:52,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:59:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:52,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:53,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:53,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:53,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:53,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 05:59:53,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:53,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:53,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:53,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:53,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:53,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:53,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:59:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:53,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:53,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:53,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:59:53,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:53,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:59:53,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:53,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:53,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:53,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:53,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:53,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:53,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:59:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:53,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:53,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:53,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:59:53,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:53,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:59:53,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:53,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:53,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:53,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:53,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:53,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:53,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:59:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:53,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:53,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:53,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:53,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:53,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:59:53,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:53,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:53,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:53,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:53,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:53,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:53,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:59:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:53,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:53,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:53,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:59:53,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:53,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:59:53,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:53,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:53,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:53,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:53,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:53,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 43 [2020-10-14 05:59:53,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:59:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:53,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:53,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:53,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:53,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:53,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:59:53,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:53,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:53,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:53,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:53,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:53,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:53,413 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:59:53,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:59:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:53,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:53,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:53,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:53,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:53,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:55,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:55,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 05:59:55,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:59:55,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1986 [2020-10-14 05:59:55,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:55,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:55,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:55,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-14 05:59:55,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:55,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:55,591 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 05:59:55,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:59:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:55,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:55,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:55,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:55,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:55,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:56,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:56,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:59:56,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:59:56,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 663 [2020-10-14 05:59:56,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:56,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:56,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:56,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:56,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:56,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:56,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:56,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:56,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:56,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:56,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:59:56,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:59:56,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:59:56,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:56,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:56,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:56,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:56,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:56,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:56,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:59:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:56,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:56,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:56,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:56,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:59:56,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:59:56,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 05:59:56,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:56,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:56,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:56,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:56,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:56,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:56,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:59:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:56,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:56,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:56,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:59:56,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:56,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:59:56,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:56,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:56,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:56,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:56,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:59:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:56,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:56,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:56,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 05:59:56,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:56,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 05:59:56,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:56,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:56,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:56,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:59:56,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:56,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:56,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:56,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:56,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:56,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:59:56,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:56,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 05:59:56,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:56,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:56,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:56,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:56,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:56,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:56,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:56,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:56,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:59:56,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:56,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:56,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:56,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:59:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:56,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:56,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:56,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:59:56,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:56,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:59:56,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:56,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:56,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:56,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:56,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:56,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:56,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:56,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:56,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:56,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:56,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:56,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:59:56,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:56,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:56,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:56,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:56,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:56,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:56,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:59:56,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [796387719] [2020-10-14 05:59:56,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:59:56,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 05:59:56,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946914954] [2020-10-14 05:59:56,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 05:59:56,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:59:56,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 05:59:56,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-14 05:59:56,590 INFO L87 Difference]: Start difference. First operand 802 states. Second operand 7 states. [2020-10-14 05:59:58,124 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 06:00:11,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:00:11,069 INFO L93 Difference]: Finished difference Result 1123 states and 1996 transitions. [2020-10-14 06:00:11,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 06:00:11,072 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2020-10-14 06:00:11,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:00:11,104 INFO L225 Difference]: With dead ends: 1123 [2020-10-14 06:00:11,104 INFO L226 Difference]: Without dead ends: 1073 [2020-10-14 06:00:11,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2020-10-14 06:00:11,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2020-10-14 06:00:11,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 635. [2020-10-14 06:00:11,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-10-14 06:00:11,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 1010 transitions. [2020-10-14 06:00:11,383 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 1010 transitions. Word has length 85 [2020-10-14 06:00:11,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:00:11,384 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 1010 transitions. [2020-10-14 06:00:11,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 06:00:11,384 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1010 transitions. [2020-10-14 06:00:11,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-14 06:00:11,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:00:11,389 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] [2020-10-14 06:00:11,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 06:00:11,390 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:00:11,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:00:11,390 INFO L82 PathProgramCache]: Analyzing trace with hash 422179813, now seen corresponding path program 1 times [2020-10-14 06:00:11,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:00:11,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1395967856] [2020-10-14 06:00:11,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:00:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:11,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:11,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:11,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:11,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:12,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:16,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:16,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 06:00:16,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:00:16,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-14 06:00:16,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:16,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:16,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:00:16,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 06:00:16,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:00:16,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:17,348 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 06:00:17,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:00:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:17,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:17,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:17,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:17,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:17,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 06:00:17,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:17,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:17,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:17,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:00:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:17,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:17,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:17,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:00:17,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:17,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:00:17,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:17,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:17,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:17,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:17,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:17,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:17,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:00:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:17,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:17,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:17,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:00:17,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:17,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:17,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:17,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:17,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:17,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:00:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:17,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:17,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:17,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:17,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:17,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:17,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:17,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:17,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:17,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:17,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:17,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:00:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:17,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:17,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:17,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:00:17,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:17,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:17,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:17,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:17,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:17,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:17,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:17,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:00:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:17,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:17,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:17,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:17,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:17,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:00:17,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:17,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:17,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:17,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:17,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:17,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:17,669 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:00:17,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:00:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:17,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:17,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:17,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:17,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:18,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:18,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 06:00:18,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:00:18,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1248 [2020-10-14 06:00:18,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:18,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:18,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:00:18,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:00:18,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:00:18,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:19,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:00:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:19,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:19,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:19,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:19,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:19,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:19,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 06:00:19,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:00:19,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-10-14 06:00:19,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:19,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:19,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:00:19,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 06:00:19,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:00:19,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:19,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:00:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:19,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:19,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:19,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:19,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:00:19,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:00:19,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:00:19,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:19,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:19,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:19,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:19,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:19,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:00:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:19,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:19,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:19,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:00:19,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:19,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 06:00:19,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:19,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:19,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:00:19,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:00:19,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 06:00:19,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:19,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 06:00:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:19,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:19,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:19,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:00:19,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:19,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:00:19,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:19,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:19,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:00:19,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:19,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:00:19,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:19,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 06:00:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:19,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:19,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:19,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 06:00:19,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:19,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 06:00:19,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:19,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:19,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:19,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 06:00:19,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:19,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:19,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:00:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:19,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:19,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:19,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:00:19,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:19,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 06:00:19,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:19,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:19,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:19,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:19,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:19,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:19,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:00:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:19,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:19,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:19,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:19,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:19,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:19,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:19,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:19,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:19,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:19,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:19,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:19,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 06:00:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:19,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:19,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:19,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:00:19,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:19,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:00:19,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:19,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:19,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:19,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:00:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:19,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:19,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:19,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:19,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:19,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:19,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:19,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:19,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:19,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:19,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:19,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 06:00:19,725 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1395967856] [2020-10-14 06:00:19,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:00:19,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 06:00:19,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920529672] [2020-10-14 06:00:19,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 06:00:19,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:00:19,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 06:00:19,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 06:00:19,729 INFO L87 Difference]: Start difference. First operand 635 states and 1010 transitions. Second operand 9 states. [2020-10-14 06:00:21,568 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 06:00:22,799 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 06:00:43,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:00:43,383 INFO L93 Difference]: Finished difference Result 1625 states and 2795 transitions. [2020-10-14 06:00:43,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 06:00:43,384 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-10-14 06:00:43,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:00:43,431 INFO L225 Difference]: With dead ends: 1625 [2020-10-14 06:00:43,431 INFO L226 Difference]: Without dead ends: 1073 [2020-10-14 06:00:43,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-14 06:00:43,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2020-10-14 06:00:43,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 635. [2020-10-14 06:00:43,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-10-14 06:00:43,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 1005 transitions. [2020-10-14 06:00:43,598 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 1005 transitions. Word has length 87 [2020-10-14 06:00:43,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:00:43,599 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 1005 transitions. [2020-10-14 06:00:43,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 06:00:43,599 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1005 transitions. [2020-10-14 06:00:43,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-14 06:00:43,602 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:00:43,602 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] [2020-10-14 06:00:43,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 06:00:43,603 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:00:43,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:00:43,604 INFO L82 PathProgramCache]: Analyzing trace with hash -594747844, now seen corresponding path program 1 times [2020-10-14 06:00:43,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:00:43,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [334382837] [2020-10-14 06:00:43,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:00:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:43,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:43,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:43,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:43,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:44,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:48,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:48,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 06:00:48,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:00:48,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 06:00:48,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:48,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:48,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:00:48,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 06:00:48,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:00:48,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:49,410 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 06:00:49,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:00:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:49,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:49,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:49,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:49,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:49,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 06:00:49,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:49,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:49,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:49,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:49,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:49,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:49,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:00:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:49,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:49,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:49,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:00:49,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:49,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:49,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:49,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:49,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:49,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:00:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:49,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:49,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:49,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:00:49,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:49,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:49,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:49,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:49,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:49,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:49,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:49,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:49,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:00:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:49,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:49,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:49,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:49,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:49,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:49,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:49,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:49,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:49,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:49,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:49,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:49,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:00:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:49,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:49,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:49,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:00:49,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:49,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:49,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:49,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:49,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:49,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:49,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:00:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:49,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:49,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:49,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:49,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:49,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:00:49,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:49,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:49,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:49,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:49,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:49,695 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:00:49,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:00:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:49,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:49,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:49,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:49,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:50,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:50,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 06:00:50,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:00:50,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1038 [2020-10-14 06:00:50,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:50,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:50,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:00:50,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:00:50,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:00:50,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:50,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:00:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:50,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:50,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:50,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:50,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:51,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:51,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 06:00:51,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:00:51,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-14 06:00:51,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:51,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:51,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:00:51,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 06:00:51,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:00:51,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:51,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:00:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:51,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:51,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:51,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:51,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:00:51,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:00:51,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:00:51,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:51,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:51,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:51,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:51,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:51,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:51,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:00:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:51,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:51,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:51,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 06:00:51,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:51,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 06:00:51,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:51,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:51,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:00:51,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:00:51,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 06:00:51,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:51,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 06:00:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:51,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:51,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:51,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:00:51,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:51,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:00:51,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:51,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:51,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:00:51,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:51,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:00:51,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:51,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:00:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:51,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:51,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:51,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 06:00:51,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:51,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 06:00:51,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:51,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:51,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:51,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 06:00:51,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:51,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:51,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:00:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:51,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:51,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:51,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:00:51,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:51,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:00:51,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:51,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:51,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:51,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:51,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:51,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:51,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:00:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:51,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:51,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:51,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:51,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:51,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:51,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:51,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:51,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:51,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:51,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:51,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:51,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 06:00:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:51,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:51,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:51,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:00:51,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:51,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:00:51,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:51,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:51,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:51,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:00:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:51,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:51,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:51,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:51,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:51,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:51,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:51,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:51,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:51,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:51,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:51,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:51,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 06:00:51,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [334382837] [2020-10-14 06:00:51,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:00:51,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 06:00:51,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606910271] [2020-10-14 06:00:51,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 06:00:51,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:00:51,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 06:00:51,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 06:00:51,343 INFO L87 Difference]: Start difference. First operand 635 states and 1005 transitions. Second operand 9 states. [2020-10-14 06:00:52,904 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 06:01:08,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:01:08,447 INFO L93 Difference]: Finished difference Result 1625 states and 2790 transitions. [2020-10-14 06:01:08,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 06:01:08,448 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-14 06:01:08,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:01:08,458 INFO L225 Difference]: With dead ends: 1625 [2020-10-14 06:01:08,458 INFO L226 Difference]: Without dead ends: 1073 [2020-10-14 06:01:08,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-14 06:01:08,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2020-10-14 06:01:08,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 635. [2020-10-14 06:01:08,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-10-14 06:01:08,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 1000 transitions. [2020-10-14 06:01:08,604 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 1000 transitions. Word has length 88 [2020-10-14 06:01:08,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:01:08,604 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 1000 transitions. [2020-10-14 06:01:08,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 06:01:08,605 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1000 transitions. [2020-10-14 06:01:08,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-14 06:01:08,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:01:08,607 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] [2020-10-14 06:01:08,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 06:01:08,607 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:01:08,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:01:08,607 INFO L82 PathProgramCache]: Analyzing trace with hash -2093530934, now seen corresponding path program 1 times [2020-10-14 06:01:08,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:01:08,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926766019] [2020-10-14 06:01:08,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:01:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:08,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:08,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:08,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:09,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:12,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:12,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:13,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:13,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 06:01:13,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:01:13,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 06:01:13,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:13,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:13,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:01:13,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 06:01:13,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:01:13,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:14,423 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 06:01:14,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:01:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:14,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:14,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:14,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:14,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:14,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 06:01:14,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:14,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:14,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:14,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:01:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:14,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:14,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:14,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:01:14,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:14,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:14,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:14,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:14,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:14,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:14,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:14,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:14,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:01:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:14,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:14,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:14,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:01:14,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:14,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:14,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:14,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:14,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:14,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:14,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:14,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:14,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:01:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:14,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:14,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:14,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:14,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:14,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:14,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:14,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:14,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:14,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:14,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:14,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:14,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:01:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:14,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:14,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:14,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:01:14,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:14,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:14,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:14,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:14,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:14,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:14,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:14,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:14,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:01:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:14,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:14,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:14,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:14,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:14,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:01:14,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:14,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:14,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:14,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:14,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:14,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:14,703 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:01:14,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:01:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:14,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:14,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:14,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:14,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:15,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:15,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 06:01:15,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:01:15,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 883 [2020-10-14 06:01:15,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:15,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:15,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:01:15,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:01:15,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:01:15,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:15,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:01:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:15,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:15,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:15,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:15,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:16,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:16,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 06:01:16,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:01:16,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-10-14 06:01:16,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:16,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:01:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 06:01:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:01:16,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:16,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:01:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:16,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:16,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:16,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:16,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:01:16,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:01:16,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:01:16,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:16,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:16,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:16,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:01:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:16,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:16,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:16,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 06:01:16,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:16,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 06:01:16,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:16,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:01:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:01:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 06:01:16,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:16,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 06:01:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:16,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:16,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:16,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:01:16,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:16,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:01:16,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:16,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:16,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:01:16,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:16,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:01:16,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:01:16,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:01:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:16,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:16,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:16,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 06:01:16,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:16,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 06:01:16,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:16,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:16,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:16,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 06:01:16,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:16,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:16,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:01:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:16,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:16,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:16,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:01:16,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:16,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 06:01:16,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:16,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:16,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:16,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:16,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:16,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:16,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:01:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:16,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:16,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:16,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:16,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:16,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:01:16,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:16,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:16,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:16,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:16,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:16,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:01:16,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 06:01:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:16,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:16,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:16,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:01:16,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:16,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:01:16,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:16,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:16,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:16,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:16,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:16,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:01:16,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:01:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:16,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:16,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:16,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:16,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:16,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:16,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:16,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:16,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:16,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:16,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:01:16,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 06:01:16,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [926766019] [2020-10-14 06:01:16,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:01:16,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 06:01:16,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081874158] [2020-10-14 06:01:16,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 06:01:16,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:01:16,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 06:01:16,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 06:01:16,430 INFO L87 Difference]: Start difference. First operand 635 states and 1000 transitions. Second operand 9 states. [2020-10-14 06:01:18,023 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 06:01:33,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:01:33,059 INFO L93 Difference]: Finished difference Result 1625 states and 2785 transitions. [2020-10-14 06:01:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 06:01:33,060 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-14 06:01:33,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:01:33,070 INFO L225 Difference]: With dead ends: 1625 [2020-10-14 06:01:33,070 INFO L226 Difference]: Without dead ends: 1073 [2020-10-14 06:01:33,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-14 06:01:33,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2020-10-14 06:01:33,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 635. [2020-10-14 06:01:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-10-14 06:01:33,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 995 transitions. [2020-10-14 06:01:33,227 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 995 transitions. Word has length 89 [2020-10-14 06:01:33,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:01:33,227 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 995 transitions. [2020-10-14 06:01:33,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 06:01:33,228 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 995 transitions. [2020-10-14 06:01:33,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 06:01:33,229 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:01:33,230 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] [2020-10-14 06:01:33,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 06:01:33,230 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:01:33,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:01:33,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1349963263, now seen corresponding path program 1 times [2020-10-14 06:01:33,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:01:33,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1367945506] [2020-10-14 06:01:33,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:01:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:33,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:33,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:33,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:34,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:35,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:35,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:38,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:38,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 06:01:38,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:01:38,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 06:01:38,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:38,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:38,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:01:38,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 06:01:38,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:01:38,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:39,393 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 06:01:39,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:01:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:39,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:39,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:39,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:39,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:39,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 06:01:39,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:39,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:39,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:39,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:39,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:39,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:39,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:01:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:39,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:39,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:39,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:01:39,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:39,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:39,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:39,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:39,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:39,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:39,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:39,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:39,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:01:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:39,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:39,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:39,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:01:39,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:39,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:39,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:39,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:39,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:39,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:01:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:39,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:39,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:39,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:39,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:39,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:39,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:39,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:39,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:39,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:01:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:39,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:39,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:39,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:01:39,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:39,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:39,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:39,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:39,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:39,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:39,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:39,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:39,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:01:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:39,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:39,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:39,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:39,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:39,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:01:39,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:39,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:39,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:39,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:39,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:39,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:39,688 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:01:39,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:01:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:39,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:39,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:39,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:39,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:40,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:40,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 06:01:40,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:01:40,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 967 [2020-10-14 06:01:40,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:40,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:40,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:01:40,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:01:40,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:01:40,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:40,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:01:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:40,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:40,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:40,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:40,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:41,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:41,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 06:01:41,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:01:41,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-14 06:01:41,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:41,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:41,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:01:41,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 06:01:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:01:41,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:41,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:01:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:41,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:41,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:41,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:41,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:01:41,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:01:41,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:01:41,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:41,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:41,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:41,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:41,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:41,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:01:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:41,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:41,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:41,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:01:41,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:41,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:01:41,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:41,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:41,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:01:41,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:01:41,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 06:01:41,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:41,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:01:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:41,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:41,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:41,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:01:41,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:41,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:01:41,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:41,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:41,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:01:41,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:41,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:01:41,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:41,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 06:01:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:41,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:41,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:41,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 06:01:41,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:41,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 06:01:41,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:41,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:41,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:41,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 06:01:41,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:41,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:41,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:01:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:41,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:41,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:41,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:01:41,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:41,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:01:41,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:41,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:41,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:41,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:01:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:41,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:41,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:41,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:41,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:41,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:41,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:41,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:41,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:41,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:41,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:41,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:41,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 06:01:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:41,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:41,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:41,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:01:41,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:41,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:01:41,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:41,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:41,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:41,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:01:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:41,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:41,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:41,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:41,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:41,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:41,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:41,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:41,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:41,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:41,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:41,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 06:01:41,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1367945506] [2020-10-14 06:01:41,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:01:41,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 06:01:41,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602283909] [2020-10-14 06:01:41,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 06:01:41,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:01:41,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 06:01:41,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 06:01:41,178 INFO L87 Difference]: Start difference. First operand 635 states and 995 transitions. Second operand 9 states. [2020-10-14 06:01:42,755 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 06:02:04,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:02:04,413 INFO L93 Difference]: Finished difference Result 1625 states and 2780 transitions. [2020-10-14 06:02:04,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 06:02:04,414 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-14 06:02:04,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:02:04,422 INFO L225 Difference]: With dead ends: 1625 [2020-10-14 06:02:04,423 INFO L226 Difference]: Without dead ends: 1073 [2020-10-14 06:02:04,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-14 06:02:04,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2020-10-14 06:02:04,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 635. [2020-10-14 06:02:04,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-10-14 06:02:04,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 990 transitions. [2020-10-14 06:02:04,568 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 990 transitions. Word has length 90 [2020-10-14 06:02:04,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:02:04,569 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 990 transitions. [2020-10-14 06:02:04,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 06:02:04,569 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 990 transitions. [2020-10-14 06:02:04,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 06:02:04,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:02:04,571 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] [2020-10-14 06:02:04,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 06:02:04,571 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:02:04,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:02:04,571 INFO L82 PathProgramCache]: Analyzing trace with hash 316088290, now seen corresponding path program 1 times [2020-10-14 06:02:04,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:02:04,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [443662083] [2020-10-14 06:02:04,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:02:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:04,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:04,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:04,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:05,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:06,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:09,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:09,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 06:02:09,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:02:09,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 06:02:09,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:09,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:09,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:02:09,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 06:02:09,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:02:09,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:10,366 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 06:02:10,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:02:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:10,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:10,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:10,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:10,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:10,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 06:02:10,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:10,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:10,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:10,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:10,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:10,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:10,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:02:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:10,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:10,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:10,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:02:10,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:10,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:02:10,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:10,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:10,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:10,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:10,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:10,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:10,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:02:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:10,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:10,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:10,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:02:10,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:10,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:02:10,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:10,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:10,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:10,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:10,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:10,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:10,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:02:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:10,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:10,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:10,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:10,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:10,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:02:10,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:10,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:10,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:10,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:10,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:10,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:10,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:02:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:10,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:10,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:10,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:02:10,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:10,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:02:10,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:10,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:10,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:10,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:02:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:10,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:10,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:10,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:10,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:10,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:02:10,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:10,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:10,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:10,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:10,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:10,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:10,678 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:02:10,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:02:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:10,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:10,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:10,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:10,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:11,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:11,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 06:02:11,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:02:11,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1180 [2020-10-14 06:02:11,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:11,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:11,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:02:11,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 06:02:11,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:02:11,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:11,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:02:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:11,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:11,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:12,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:12,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:12,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:12,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 06:02:12,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:02:12,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 516 [2020-10-14 06:02:12,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:12,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:12,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:02:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:02:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:02:12,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:12,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:02:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:12,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:12,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:12,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:12,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:02:12,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:02:12,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:02:12,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:12,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:12,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:12,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:02:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:12,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:12,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:12,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:02:12,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:12,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 06:02:12,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:12,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:02:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 06:02:12,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:02:12,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:12,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:02:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:12,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:12,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:12,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:02:12,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:12,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:02:12,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:12,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:12,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:02:12,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:02:12,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:02:12,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:12,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 06:02:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:12,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:12,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:12,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 06:02:12,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:12,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 06:02:12,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:12,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:12,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:12,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 06:02:12,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:12,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:12,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:02:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:12,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:12,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:12,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:02:12,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:12,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:02:12,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:12,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:12,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:12,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:12,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:12,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:12,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:02:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:12,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:12,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:12,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:12,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:12,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:02:12,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:12,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:12,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:12,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 06:02:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:12,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:12,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:12,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:02:12,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:12,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:02:12,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:12,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:12,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:12,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:12,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:12,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:12,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:02:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:12,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:12,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:12,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:12,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:12,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:02:12,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:12,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:12,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:12,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:12,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:12,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:12,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 06:02:12,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [443662083] [2020-10-14 06:02:12,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:02:12,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:02:12,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368527110] [2020-10-14 06:02:12,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:02:12,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:02:12,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:02:12,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:02:12,738 INFO L87 Difference]: Start difference. First operand 635 states and 990 transitions. Second operand 10 states. [2020-10-14 06:02:14,346 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-14 06:02:15,364 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 06:02:31,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:02:31,439 INFO L93 Difference]: Finished difference Result 1632 states and 2787 transitions. [2020-10-14 06:02:31,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:02:31,440 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-10-14 06:02:31,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:02:31,447 INFO L225 Difference]: With dead ends: 1632 [2020-10-14 06:02:31,447 INFO L226 Difference]: Without dead ends: 1083 [2020-10-14 06:02:31,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-10-14 06:02:31,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-10-14 06:02:31,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 638. [2020-10-14 06:02:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2020-10-14 06:02:31,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 994 transitions. [2020-10-14 06:02:31,612 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 994 transitions. Word has length 90 [2020-10-14 06:02:31,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:02:31,612 INFO L479 AbstractCegarLoop]: Abstraction has 638 states and 994 transitions. [2020-10-14 06:02:31,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:02:31,612 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 994 transitions. [2020-10-14 06:02:31,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-14 06:02:31,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:02:31,615 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] [2020-10-14 06:02:31,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 06:02:31,616 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:02:31,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:02:31,616 INFO L82 PathProgramCache]: Analyzing trace with hash 187001263, now seen corresponding path program 1 times [2020-10-14 06:02:31,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:02:31,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1703979210] [2020-10-14 06:02:31,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:02:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:31,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:31,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:31,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:31,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:33,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:34,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:36,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:36,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 06:02:36,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:02:36,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-14 06:02:36,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:36,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:36,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:02:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 06:02:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:02:36,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:37,442 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 06:02:37,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:02:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:37,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:37,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:37,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:37,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:37,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 06:02:37,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:37,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:37,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:37,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:02:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:37,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:37,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:37,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:02:37,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:37,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:02:37,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:37,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:37,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:37,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:37,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:37,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:37,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:02:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:37,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:37,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:37,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:02:37,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:37,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:02:37,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:37,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:37,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:37,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:37,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:37,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:37,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:02:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:37,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:37,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:37,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:37,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:37,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:02:37,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:37,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:37,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:37,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:37,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:37,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:37,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:02:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:37,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:37,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:37,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:02:37,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:37,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:02:37,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:37,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:37,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:37,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:37,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:37,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:37,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:02:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:37,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:37,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:37,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:37,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:37,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:02:37,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:37,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:37,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:37,713 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:02:37,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:02:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:37,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:37,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:37,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:37,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:38,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:38,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 06:02:38,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:02:38,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 757 [2020-10-14 06:02:38,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:38,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:38,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:02:38,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:02:38,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:02:38,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:38,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:02:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:38,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:38,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:38,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:38,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:38,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:38,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:02:38,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:02:38,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-14 06:02:38,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:38,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:38,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:02:38,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 06:02:38,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:02:38,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:38,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:02:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:38,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:38,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:38,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:38,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:02:38,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:02:38,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:02:38,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:38,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:38,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:38,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:38,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:38,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:02:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:38,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:38,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:38,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 06:02:38,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:38,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 06:02:38,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:38,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:38,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:02:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:02:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 06:02:38,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:38,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:02:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:38,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:38,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:38,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:02:38,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:38,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:02:38,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:38,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:38,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:02:38,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:38,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:02:38,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:38,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 06:02:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:38,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:38,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:38,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 06:02:38,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:38,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 06:02:38,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:38,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 06:02:38,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:38,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:38,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:02:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:38,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:38,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:38,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:02:38,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:38,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:02:38,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:38,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:38,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:38,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:38,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:38,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:02:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:38,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:38,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:38,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:38,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:38,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:02:38,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:38,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:38,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:38,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:38,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:38,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:38,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 06:02:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:38,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:38,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:38,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:02:38,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:38,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:02:38,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:38,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:38,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:38,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:38,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:38,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:38,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:02:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:38,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:38,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:38,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:38,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:38,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:02:38,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:38,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:38,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:38,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:38,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:38,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:02:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 06:02:39,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1703979210] [2020-10-14 06:02:39,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:02:39,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 06:02:39,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614235799] [2020-10-14 06:02:39,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 06:02:39,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:02:39,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 06:02:39,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 06:02:39,015 INFO L87 Difference]: Start difference. First operand 638 states and 994 transitions. Second operand 9 states. [2020-10-14 06:02:40,610 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 06:02:41,466 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 06:02:55,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:02:55,911 INFO L93 Difference]: Finished difference Result 1630 states and 2788 transitions. [2020-10-14 06:02:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 06:02:55,912 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-10-14 06:02:55,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:02:55,918 INFO L225 Difference]: With dead ends: 1630 [2020-10-14 06:02:55,919 INFO L226 Difference]: Without dead ends: 1077 [2020-10-14 06:02:55,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-14 06:02:55,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-10-14 06:02:56,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 638. [2020-10-14 06:02:56,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2020-10-14 06:02:56,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 989 transitions. [2020-10-14 06:02:56,077 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 989 transitions. Word has length 91 [2020-10-14 06:02:56,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:02:56,078 INFO L479 AbstractCegarLoop]: Abstraction has 638 states and 989 transitions. [2020-10-14 06:02:56,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 06:02:56,078 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 989 transitions. [2020-10-14 06:02:56,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-14 06:02:56,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:02:56,080 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] [2020-10-14 06:02:56,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 06:02:56,081 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:02:56,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:02:56,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1643588034, now seen corresponding path program 1 times [2020-10-14 06:02:56,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:02:56,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216339] [2020-10-14 06:02:56,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:02:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:56,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:56,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:56,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:56,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:57,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:58,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:01,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:01,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 06:03:01,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:03:01,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 06:03:01,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:01,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:01,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:03:01,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-14 06:03:01,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:03:01,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:01,907 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 06:03:01,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:03:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:01,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:01,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:01,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:01,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:01,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 06:03:01,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:01,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:01,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:01,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:01,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:01,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:01,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:03:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:01,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:01,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:01,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:03:01,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:01,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:01,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:01,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:01,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:01,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:03:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:01,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:01,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:01,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:03:01,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:01,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:01,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:01,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:01,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:01,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:01,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:01,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:01,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:03:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:01,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:01,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:01,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:01,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:01,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:01,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:01,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:01,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:01,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:01,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:01,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:01,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:03:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:01,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:01,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:01,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:03:01,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:01,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:01,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:01,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:01,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:01,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:01,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:01,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:01,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:03:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:01,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:01,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:01,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:01,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:01,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:03:01,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:01,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:01,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:02,158 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:03:02,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:03:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:02,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:02,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:02,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:02,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 06:03:03,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:03:03,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1045 [2020-10-14 06:03:03,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:03:03,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 06:03:03,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:03:03,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:03,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:03:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:03:03,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:03:03,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 420 [2020-10-14 06:03:03,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:03:03,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 06:03:03,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:03:03,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:03,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:03:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:03:03,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:03:03,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:03:03,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:03,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:03,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:03,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:03,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:03:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 06:03:03,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:03,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 06:03:03,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:03:03,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 06:03:03,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:03:03,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:03,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:03:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:03:03,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:03,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:03:03,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:03:03,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:03:03,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:03:03,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:03,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 06:03:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 06:03:03,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:03,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 06:03:03,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:03,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 06:03:03,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:03,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:03,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:03:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:03:03,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:03,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:03:03,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:03,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:03,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:03,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:03,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:03:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:03,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:03,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:03,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:03,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:03,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 06:03:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:03:03,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:03,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:03:03,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:03,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:03,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:03,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:03,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:03:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:03,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:03,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:03,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:03,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:03,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:03,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 06:03:03,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216339] [2020-10-14 06:03:03,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:03:03,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:03:03,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909599874] [2020-10-14 06:03:03,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:03:03,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:03:03,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:03:03,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:03:03,970 INFO L87 Difference]: Start difference. First operand 638 states and 989 transitions. Second operand 10 states. [2020-10-14 06:03:05,602 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-14 06:03:06,614 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-14 06:03:07,323 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 06:03:28,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:03:28,925 INFO L93 Difference]: Finished difference Result 1636 states and 2793 transitions. [2020-10-14 06:03:28,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:03:28,926 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-10-14 06:03:28,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:03:28,934 INFO L225 Difference]: With dead ends: 1636 [2020-10-14 06:03:28,934 INFO L226 Difference]: Without dead ends: 1087 [2020-10-14 06:03:28,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-14 06:03:28,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2020-10-14 06:03:29,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 641. [2020-10-14 06:03:29,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2020-10-14 06:03:29,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 993 transitions.