/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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 05:58:06,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 05:58:06,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 05:58:06,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 05:58:06,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 05:58:06,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 05:58:06,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 05:58:06,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 05:58:06,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 05:58:06,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 05:58:06,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 05:58:06,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 05:58:06,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 05:58:06,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 05:58:06,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 05:58:06,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 05:58:06,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 05:58:06,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 05:58:06,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 05:58:06,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 05:58:06,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 05:58:06,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 05:58:06,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 05:58:06,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 05:58:06,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 05:58:06,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 05:58:06,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 05:58:06,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 05:58:06,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 05:58:06,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 05:58:06,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 05:58:06,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 05:58:06,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 05:58:06,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 05:58:06,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 05:58:06,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 05:58:06,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 05:58:06,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 05:58:06,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 05:58:06,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 05:58:06,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 05:58:06,944 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 05:58:06,965 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 05:58:06,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 05:58:06,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 05:58:06,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 05:58:06,967 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 05:58:06,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 05:58:06,967 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 05:58:06,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 05:58:06,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 05:58:06,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 05:58:06,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 05:58:06,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 05:58:06,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 05:58:06,969 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 05:58:06,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 05:58:06,969 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 05:58:06,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 05:58:06,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 05:58:06,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 05:58:06,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 05:58:06,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 05:58:06,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:58:06,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 05:58:06,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 05:58:06,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 05:58:06,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 05:58:06,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 05:58:06,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 05:58:06,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 05:58:06,972 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 05:58:07,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 05:58:07,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 05:58:07,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 05:58:07,258 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 05:58:07,258 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 05:58:07,258 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product24.cil.c [2020-10-14 05:58:07,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1cac8a47/9f8d88fc0bf14f5584074884cd835a6d/FLAGf2245f0b3 [2020-10-14 05:58:07,909 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 05:58:07,911 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product24.cil.c [2020-10-14 05:58:07,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1cac8a47/9f8d88fc0bf14f5584074884cd835a6d/FLAGf2245f0b3 [2020-10-14 05:58:08,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1cac8a47/9f8d88fc0bf14f5584074884cd835a6d [2020-10-14 05:58:08,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 05:58:08,143 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 05:58:08,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 05:58:08,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 05:58:08,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 05:58:08,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:58:08" (1/1) ... [2020-10-14 05:58:08,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dadf5b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:58:08, skipping insertion in model container [2020-10-14 05:58:08,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:58:08" (1/1) ... [2020-10-14 05:58:08,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 05:58:08,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 05:58:08,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:58:08,942 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 05:58:09,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:58:09,141 INFO L208 MainTranslator]: Completed translation [2020-10-14 05:58:09,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:58:09 WrapperNode [2020-10-14 05:58:09,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 05:58:09,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 05:58:09,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 05:58:09,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 05:58:09,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:58:09" (1/1) ... [2020-10-14 05:58:09,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:58:09" (1/1) ... [2020-10-14 05:58:09,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:58:09" (1/1) ... [2020-10-14 05:58:09,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:58:09" (1/1) ... [2020-10-14 05:58:09,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:58:09" (1/1) ... [2020-10-14 05:58:09,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:58:09" (1/1) ... [2020-10-14 05:58:09,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:58:09" (1/1) ... [2020-10-14 05:58:09,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 05:58:09,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 05:58:09,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 05:58:09,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 05:58:09,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:58:09" (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 05:58:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 05:58:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 05:58:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 05:58:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-14 05:58:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-14 05:58:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-14 05:58:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-14 05:58:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-14 05:58:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-14 05:58:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-14 05:58:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-14 05:58:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-14 05:58:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-14 05:58:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-14 05:58:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-14 05:58:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-14 05:58:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-14 05:58:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-14 05:58:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-14 05:58:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-14 05:58:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-14 05:58:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-14 05:58:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-14 05:58:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-14 05:58:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-14 05:58:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-14 05:58:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-14 05:58:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-14 05:58:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-14 05:58:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-14 05:58:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-14 05:58:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-14 05:58:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-14 05:58:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-14 05:58:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-14 05:58:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-14 05:58:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-14 05:58:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-14 05:58:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 05:58:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-14 05:58:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-14 05:58:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-14 05:58:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-14 05:58:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-14 05:58:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-14 05:58:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-14 05:58:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-14 05:58:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-14 05:58:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-14 05:58:09,433 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-14 05:58:09,433 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-14 05:58:09,433 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-14 05:58:09,433 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-14 05:58:09,433 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-14 05:58:09,433 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-14 05:58:09,434 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-14 05:58:09,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 05:58:09,434 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-14 05:58:09,434 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-14 05:58:09,434 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-14 05:58:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 05:58:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-14 05:58:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 05:58:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 05:58:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 05:58:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-14 05:58:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-14 05:58:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-14 05:58:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 05:58:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 05:58:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 05:58:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 05:58:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 05:58:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 05:58:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-14 05:58:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-14 05:58:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 05:58:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 05:58:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 05:58:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 05:58:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 05:58:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 05:58:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 05:58:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 05:58:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-14 05:58:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-14 05:58:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-14 05:58:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-14 05:58:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-14 05:58:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-14 05:58:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-14 05:58:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-14 05:58:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 05:58:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-14 05:58:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-14 05:58:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-14 05:58:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 05:58:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-14 05:58:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-14 05:58:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-14 05:58:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-14 05:58:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-14 05:58:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-14 05:58:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-14 05:58:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-14 05:58:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-14 05:58:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-14 05:58:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-14 05:58:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-14 05:58:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-14 05:58:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-14 05:58:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-14 05:58:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-14 05:58:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-14 05:58:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-14 05:58:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-14 05:58:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-14 05:58:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-14 05:58:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-14 05:58:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-14 05:58:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-14 05:58:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-14 05:58:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-14 05:58:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-14 05:58:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-14 05:58:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-14 05:58:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-14 05:58:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-14 05:58:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-14 05:58:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 05:58:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-14 05:58:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 05:58:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-14 05:58:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-14 05:58:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 05:58:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-14 05:58:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-14 05:58:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-14 05:58:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-14 05:58:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-14 05:58:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-14 05:58:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-14 05:58:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-14 05:58:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-14 05:58:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 05:58:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-14 05:58:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-14 05:58:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-14 05:58:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 05:58:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-14 05:58:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 05:58:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 05:58:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 05:58:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 05:58:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 05:58:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 05:58:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 05:58:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 05:58:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-14 05:58:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-14 05:58:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 05:58:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 05:58:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 05:58:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 05:58:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 05:58:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 05:58:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 05:58:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 05:58:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 05:58:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 05:58:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 05:58:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 05:58:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 05:58:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 05:58:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 05:58:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 05:58:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 05:58:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 05:58:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 05:58:11,459 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 05:58:11,459 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-14 05:58:11,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:58:11 BoogieIcfgContainer [2020-10-14 05:58:11,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 05:58:11,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 05:58:11,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 05:58:11,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 05:58:11,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:58:08" (1/3) ... [2020-10-14 05:58:11,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7357d2c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:58:11, skipping insertion in model container [2020-10-14 05:58:11,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:58:09" (2/3) ... [2020-10-14 05:58:11,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7357d2c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:58:11, skipping insertion in model container [2020-10-14 05:58:11,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:58:11" (3/3) ... [2020-10-14 05:58:11,477 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product24.cil.c [2020-10-14 05:58:11,488 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 05:58:11,496 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 05:58:11,510 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 05:58:11,537 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 05:58:11,537 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 05:58:11,537 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 05:58:11,537 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 05:58:11,537 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 05:58:11,538 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 05:58:11,538 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 05:58:11,538 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 05:58:11,623 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states. [2020-10-14 05:58:11,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-14 05:58:11,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:58:11,639 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 05:58:11,639 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:58:11,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:58:11,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1311658421, now seen corresponding path program 1 times [2020-10-14 05:58:11,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:58:11,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686088138] [2020-10-14 05:58:11,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:58:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:12,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:12,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:12,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:12,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:17,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:17,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 05:58:17,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:58:17,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 05:58:17,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:17,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:17,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:17,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-14 05:58:17,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:17,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 05:58:18,062 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:58:18,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:58:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:18,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:18,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:18,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:18,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:18,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 05:58:18,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:18,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:18,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:18,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:18,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:18,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:18,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:58:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:18,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:18,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:18,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:58:18,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:18,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:18,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:18,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:18,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:18,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:18,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:18,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:18,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:58:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:18,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:18,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:18,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:58:18,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:18,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:18,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:18,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:18,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:18,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:18,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:18,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:18,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:58:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:18,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:18,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:18,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:18,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:18,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:18,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:18,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:18,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:18,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:18,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:18,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:58:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:18,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:18,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:18,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:58:18,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:18,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:18,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:18,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:18,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:18,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:18,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:18,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:18,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:58:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:18,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:18,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:18,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:18,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:18,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:58:18,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:18,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:18,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:18,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:18,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:18,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:18,373 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:58:18,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:58:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:18,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:18,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:18,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:18,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:19,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:20,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:20,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 05:58:20,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:58:20,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2242 [2020-10-14 05:58:20,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:20,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:20,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:20,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-14 05:58:20,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:20,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:20,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:58:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:20,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:20,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:20,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:20,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:20,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:21,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:21,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:58:21,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:58:21,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 578 [2020-10-14 05:58:21,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:21,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:21,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:21,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:21,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:21,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:21,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:21,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:21,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:21,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:21,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:58:21,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:58:21,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:58:21,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:21,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:21,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:21,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:21,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:21,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:21,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:58:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:21,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:21,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:21,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:21,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:58:21,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:58:21,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 05:58:21,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:21,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:21,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:21,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:21,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:58:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:21,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:21,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:21,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:58:21,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:21,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:58:21,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:21,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:21,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:21,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:21,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:21,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 05:58:21,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:58:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:21,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:21,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:21,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 05:58:21,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:21,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 05:58:21,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:21,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:58:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:21,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:21,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:21,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:21,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:21,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:58:21,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:21,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 05:58:21,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:21,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:21,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:21,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:21,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:21,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:21,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:21,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:21,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:21,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:21,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:21,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:21,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:21,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:21,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:21,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:58:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:21,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:21,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:21,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:58:21,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:21,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:58:21,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:21,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:21,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:21,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:21,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:21,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:21,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:21,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:21,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:21,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:21,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:21,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:58:21,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:21,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:21,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:21,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:21,677 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 05:58:21,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686088138] [2020-10-14 05:58:21,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:58:21,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 05:58:21,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467819844] [2020-10-14 05:58:21,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 05:58:21,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:58:21,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 05:58:21,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-14 05:58:21,704 INFO L87 Difference]: Start difference. First operand 817 states. Second operand 7 states. [2020-10-14 05:58:35,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:58:35,247 INFO L93 Difference]: Finished difference Result 1138 states and 2016 transitions. [2020-10-14 05:58:35,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 05:58:35,249 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2020-10-14 05:58:35,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:58:35,289 INFO L225 Difference]: With dead ends: 1138 [2020-10-14 05:58:35,289 INFO L226 Difference]: Without dead ends: 1088 [2020-10-14 05:58:35,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:58:35,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2020-10-14 05:58:35,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 650. [2020-10-14 05:58:35,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2020-10-14 05:58:35,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1030 transitions. [2020-10-14 05:58:35,635 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1030 transitions. Word has length 85 [2020-10-14 05:58:35,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:58:35,636 INFO L479 AbstractCegarLoop]: Abstraction has 650 states and 1030 transitions. [2020-10-14 05:58:35,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 05:58:35,636 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1030 transitions. [2020-10-14 05:58:35,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-14 05:58:35,642 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:58:35,643 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 05:58:35,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 05:58:35,643 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:58:35,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:58:35,644 INFO L82 PathProgramCache]: Analyzing trace with hash -775899132, now seen corresponding path program 1 times [2020-10-14 05:58:35,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:58:35,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2060422555] [2020-10-14 05:58:35,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:58:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:35,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:35,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:35,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:36,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:36,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:40,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:40,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 05:58:40,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:58:40,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 05:58:40,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:40,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:40,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:58:40,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:58:40,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:58:40,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:41,480 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:58:41,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:58:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:41,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:41,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:41,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:41,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:41,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 05:58:41,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:41,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:41,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:41,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:41,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:41,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:41,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:58:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:41,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:41,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:41,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:58:41,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:41,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:41,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:41,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:41,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:41,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:41,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:41,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:41,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:58:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:41,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:41,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:41,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:58:41,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:41,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:41,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:41,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:41,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:41,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:58:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:41,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:41,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:41,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:41,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:41,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:41,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:41,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:41,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:41,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:41,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:41,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:41,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:58:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:41,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:41,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:41,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:58:41,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:41,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:41,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:41,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:41,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:58:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:41,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:41,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:41,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:41,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:41,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:41,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:41,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:41,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:41,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:41,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:41,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:41,758 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:58:41,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:58:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:41,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:41,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:41,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:41,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:43,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:43,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 05:58:43,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:58:43,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1410 [2020-10-14 05:58:43,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:43,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:43,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:58:43,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:58:43,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:58:43,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:43,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:58:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:43,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:43,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:43,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:43,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:43,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:43,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:58:43,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:58:43,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 390 [2020-10-14 05:58:43,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:43,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:58:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:58:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:58:43,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:43,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:43,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:43,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:43,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:43,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:58:43,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:58:43,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:58:43,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:43,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:43,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:43,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:58:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:43,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:43,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:43,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:58:43,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:43,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 05:58:43,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:43,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:43,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:58:43,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:58:43,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 05:58:43,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:43,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:58:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:43,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:43,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:43,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:58:43,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:43,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 05:58:43,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:43,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:43,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:58:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:58:43,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 05:58:43,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:58:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:43,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:43,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:43,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:58:43,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:43,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 05:58:43,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:43,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:43,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:43,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:58:43,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:43,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:43,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:43,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:43,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:43,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:58:43,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:43,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:58:43,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:43,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:43,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:43,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:43,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:43,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:43,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:43,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:43,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:43,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:43,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:43,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:43,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:43,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:58:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:43,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:43,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:43,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:58:43,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:43,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:58:43,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:43,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:43,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:43,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:43,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:43,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:43,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:43,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:43,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:43,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:43,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:43,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:58:43,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:43,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:43,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:43,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:43,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:43,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:44,003 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 05:58:44,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2060422555] [2020-10-14 05:58:44,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:58:44,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:58:44,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176589285] [2020-10-14 05:58:44,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:58:44,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:58:44,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:58:44,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:58:44,008 INFO L87 Difference]: Start difference. First operand 650 states and 1030 transitions. Second operand 9 states. [2020-10-14 05:58:45,590 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:59:00,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:59:00,624 INFO L93 Difference]: Finished difference Result 1655 states and 2835 transitions. [2020-10-14 05:59:00,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:59:00,625 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-10-14 05:59:00,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:59:00,636 INFO L225 Difference]: With dead ends: 1655 [2020-10-14 05:59:00,637 INFO L226 Difference]: Without dead ends: 1088 [2020-10-14 05:59:00,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:59:00,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2020-10-14 05:59:00,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 650. [2020-10-14 05:59:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2020-10-14 05:59:00,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1025 transitions. [2020-10-14 05:59:00,791 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1025 transitions. Word has length 87 [2020-10-14 05:59:00,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:59:00,791 INFO L479 AbstractCegarLoop]: Abstraction has 650 states and 1025 transitions. [2020-10-14 05:59:00,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:59:00,791 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1025 transitions. [2020-10-14 05:59:00,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-14 05:59:00,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:59:00,795 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 05:59:00,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 05:59:00,795 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:59:00,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:59:00,796 INFO L82 PathProgramCache]: Analyzing trace with hash -237797649, now seen corresponding path program 1 times [2020-10-14 05:59:00,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:59:00,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1820270592] [2020-10-14 05:59:00,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:59:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:00,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:00,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:01,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:01,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:01,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:05,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:05,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 05:59:05,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:59:05,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 05:59:05,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:05,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:05,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:59:05,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:59:05,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:59:05,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:06,570 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:59:06,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:59:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:06,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:06,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:06,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:06,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:06,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 05:59:06,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:06,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:06,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:06,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:06,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:06,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:06,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:59:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:06,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:06,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:06,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:59:06,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:06,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:06,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:06,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:06,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:06,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:06,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:06,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:06,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:59:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:06,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:06,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:06,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:59:06,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:06,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:06,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:06,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:06,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:06,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:06,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:06,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:06,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:59:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:06,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:06,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:06,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:06,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:06,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:06,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:06,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:06,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:06,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:06,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:06,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:06,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:59:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:06,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:06,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:06,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:59:06,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:06,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:06,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:06,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:06,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:06,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:06,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:06,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:06,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:59:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:06,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:06,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:06,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:06,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:06,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:59:06,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:06,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:06,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:06,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:06,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:06,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:06,838 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:59:06,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:59:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:06,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:06,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:06,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:06,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:07,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:07,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 05:59:07,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:59:07,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1070 [2020-10-14 05:59:07,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:07,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:07,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:59:07,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:59:07,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:59:07,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:08,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:59:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:08,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:08,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:08,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:08,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:08,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:08,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 05:59:08,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:59:08,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-14 05:59:08,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:08,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:08,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:59:08,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:59:08,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:59:08,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:08,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:08,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:08,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:08,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:08,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:59:08,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:59:08,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:59:08,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:08,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:08,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:08,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:08,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:08,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:08,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:59:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:08,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:08,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:08,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 05:59:08,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:08,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:59:08,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:08,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:59:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:59:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 05:59:08,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:08,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:59:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:08,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:08,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:08,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:59:08,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:08,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:59:08,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:08,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:08,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:59:08,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:08,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:59:08,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:08,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:59:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:08,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:08,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:08,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:59:08,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:08,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 05:59:08,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:08,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:08,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:08,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:59:08,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:08,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:08,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:08,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:08,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:08,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:59:08,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:08,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:59:08,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:08,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:08,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:08,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:08,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:08,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:08,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:08,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:08,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:08,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:08,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:08,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:08,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:08,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:08,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:08,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:59:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:08,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:08,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:08,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:59:08,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:08,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:59:08,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:08,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:08,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:08,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:08,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:08,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:08,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:08,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:08,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:08,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:08,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:08,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:08,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:08,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:08,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:08,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:08,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:08,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:08,601 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 05:59:08,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1820270592] [2020-10-14 05:59:08,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:59:08,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:59:08,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087565918] [2020-10-14 05:59:08,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:59:08,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:59:08,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:59:08,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:59:08,604 INFO L87 Difference]: Start difference. First operand 650 states and 1025 transitions. Second operand 9 states. [2020-10-14 05:59:10,429 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:59:28,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:59:28,003 INFO L93 Difference]: Finished difference Result 1655 states and 2830 transitions. [2020-10-14 05:59:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:59:28,004 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-14 05:59:28,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:59:28,014 INFO L225 Difference]: With dead ends: 1655 [2020-10-14 05:59:28,014 INFO L226 Difference]: Without dead ends: 1088 [2020-10-14 05:59:28,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:59:28,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2020-10-14 05:59:28,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 650. [2020-10-14 05:59:28,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2020-10-14 05:59:28,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1020 transitions. [2020-10-14 05:59:28,211 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1020 transitions. Word has length 88 [2020-10-14 05:59:28,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:59:28,212 INFO L479 AbstractCegarLoop]: Abstraction has 650 states and 1020 transitions. [2020-10-14 05:59:28,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:59:28,212 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1020 transitions. [2020-10-14 05:59:28,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-14 05:59:28,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:59:28,214 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 05:59:28,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 05:59:28,215 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:59:28,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:59:28,224 INFO L82 PathProgramCache]: Analyzing trace with hash -775317655, now seen corresponding path program 1 times [2020-10-14 05:59:28,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:59:28,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662861862] [2020-10-14 05:59:28,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:59:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:28,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:28,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:28,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:29,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:33,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:33,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:33,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:33,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 05:59:33,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:59:33,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-14 05:59:33,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:33,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:33,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:59:33,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:59:33,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:59:33,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:34,036 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:59:34,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:59:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:34,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:34,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:34,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:34,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 05:59:34,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:34,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:34,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:34,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:59:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:34,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:34,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:59:34,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:34,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:34,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:34,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:34,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:34,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:34,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:34,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:34,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:59:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:34,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:34,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:59:34,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:34,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:34,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:34,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:34,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:34,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:34,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:34,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:34,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:59:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:34,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:34,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:34,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:34,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:34,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:34,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:34,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:34,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:59:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:34,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:34,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:59:34,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:34,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:34,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:34,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:34,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:34,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:34,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:34,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:34,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:59:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:34,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:34,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:34,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:34,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:59:34,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:34,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:34,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:34,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:34,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:34,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:34,286 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:59:34,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:59:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:34,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:35,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:35,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 05:59:35,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:59:35,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1423 [2020-10-14 05:59:35,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:35,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:35,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:59:35,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:59:35,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:59:35,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:35,858 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 05:59:35,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:59:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:35,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:35,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:35,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:35,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 05:59:36,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:59:36,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-10-14 05:59:36,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:59:36,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:59:36,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:59:36,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:36,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:59:36,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:59:36,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:59:36,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:36,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:36,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:36,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:36,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:59:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:59:36,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:36,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 05:59:36,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:59:36,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:59:36,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 05:59:36,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:36,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:59:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:59:36,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:36,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:59:36,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:59:36,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:36,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:59:36,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:36,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:59:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:59:36,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:36,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 05:59:36,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:36,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:59:36,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:36,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:36,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:59:36,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:36,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:59:36,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:36,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:36,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:36,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:36,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:36,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:36,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:59:36,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:36,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:36,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:36,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:36,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:59:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:59:36,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:36,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:59:36,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:36,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:36,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:36,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:36,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:36,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:36,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:59:36,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:36,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:36,569 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 05:59:36,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662861862] [2020-10-14 05:59:36,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:59:36,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:59:36,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543986120] [2020-10-14 05:59:36,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:59:36,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:59:36,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:59:36,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:59:36,572 INFO L87 Difference]: Start difference. First operand 650 states and 1020 transitions. Second operand 9 states. [2020-10-14 05:59:38,312 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:59:58,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:59:58,101 INFO L93 Difference]: Finished difference Result 1655 states and 2825 transitions. [2020-10-14 05:59:58,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:59:58,102 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-14 05:59:58,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:59:58,111 INFO L225 Difference]: With dead ends: 1655 [2020-10-14 05:59:58,111 INFO L226 Difference]: Without dead ends: 1088 [2020-10-14 05:59:58,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:59:58,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2020-10-14 05:59:58,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 650. [2020-10-14 05:59:58,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2020-10-14 05:59:58,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1015 transitions. [2020-10-14 05:59:58,276 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1015 transitions. Word has length 89 [2020-10-14 05:59:58,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:59:58,277 INFO L479 AbstractCegarLoop]: Abstraction has 650 states and 1015 transitions. [2020-10-14 05:59:58,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:59:58,277 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1015 transitions. [2020-10-14 05:59:58,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 05:59:58,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:59:58,279 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 05:59:58,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 05:59:58,280 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:59:58,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:59:58,280 INFO L82 PathProgramCache]: Analyzing trace with hash -297365452, now seen corresponding path program 1 times [2020-10-14 05:59:58,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:59:58,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889357210] [2020-10-14 05:59:58,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:59:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:58,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:58,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:58,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:59,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:01,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:01,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:03,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:03,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 06:00:03,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:00:03,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 06:00:03,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:03,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:03,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:00:03,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 06:00:03,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:00:03,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:04,111 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 06:00:04,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:00:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:04,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:04,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:04,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:04,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:04,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 06:00:04,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:04,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:04,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:04,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:04,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:04,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:04,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:00:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:04,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:04,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:04,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:00:04,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:04,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:00:04,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:04,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:04,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:04,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:04,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:04,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:04,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:00:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:04,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:04,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:04,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:00:04,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:04,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:04,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:04,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:04,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:04,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:04,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:04,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:04,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:00:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:04,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:04,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:04,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:04,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:04,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:00:04,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:04,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:04,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:04,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:04,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:04,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:04,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:00:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:04,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:04,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:04,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:00:04,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:04,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:04,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:04,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:04,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:04,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:04,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:04,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:04,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:00:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:04,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:04,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:04,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:04,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:04,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:00:04,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:04,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:04,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:04,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:04,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:04,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:04,527 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:00:04,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:00:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:04,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:04,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:04,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:04,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:06,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:06,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 06:00:06,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:00:06,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1694 [2020-10-14 06:00:06,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:06,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:06,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:00:06,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:00:06,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:00:06,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:06,419 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 06:00:06,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:00:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:06,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:06,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:06,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:06,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:07,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:07,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 06:00:07,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:00:07,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 599 [2020-10-14 06:00:07,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:07,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:07,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:00:07,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 06:00:07,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:00:07,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:07,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:00:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:07,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:07,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:07,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:07,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:00:07,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:00:07,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:00:07,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:07,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:07,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:07,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:07,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:00:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:07,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:07,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:07,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:00:07,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:07,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 06:00:07,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:07,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:07,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:00:07,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:00:07,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 06:00:07,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:07,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:00:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:07,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:07,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:07,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:00:07,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:07,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:00:07,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:07,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:07,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:00:07,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:00:07,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:07,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 06:00:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:07,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:07,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:07,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 06:00:07,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:07,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 06:00:07,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:07,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:07,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:07,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 06:00:07,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:07,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:07,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:00:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:07,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:07,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:07,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:00:07,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:07,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 06:00:07,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:07,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:07,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:07,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:07,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:07,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:07,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:00:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:07,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:07,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:07,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:07,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:07,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:00:07,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:07,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:07,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:07,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:07,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:07,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:07,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 06:00:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:07,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:07,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:07,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:00:07,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:07,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:00:07,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:07,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:07,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:07,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:07,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:07,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:07,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:00:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:07,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:07,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:07,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:07,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:07,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:00:07,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:07,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:07,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:07,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:07,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:07,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:07,371 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 06:00:07,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889357210] [2020-10-14 06:00:07,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:00:07,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 06:00:07,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298275656] [2020-10-14 06:00:07,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 06:00:07,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:00:07,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 06:00:07,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 06:00:07,376 INFO L87 Difference]: Start difference. First operand 650 states and 1015 transitions. Second operand 9 states. [2020-10-14 06:00:09,414 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 06:00:25,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:00:25,796 INFO L93 Difference]: Finished difference Result 1655 states and 2820 transitions. [2020-10-14 06:00:25,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 06:00:25,797 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-14 06:00:25,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:00:25,808 INFO L225 Difference]: With dead ends: 1655 [2020-10-14 06:00:25,808 INFO L226 Difference]: Without dead ends: 1088 [2020-10-14 06:00:25,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-14 06:00:25,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2020-10-14 06:00:25,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 650. [2020-10-14 06:00:25,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2020-10-14 06:00:25,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1010 transitions. [2020-10-14 06:00:25,963 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1010 transitions. Word has length 90 [2020-10-14 06:00:25,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:00:25,966 INFO L479 AbstractCegarLoop]: Abstraction has 650 states and 1010 transitions. [2020-10-14 06:00:25,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 06:00:25,966 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1010 transitions. [2020-10-14 06:00:25,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 06:00:25,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:00:25,968 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 06:00:25,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 06:00:25,969 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:00:25,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:00:25,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1368686101, now seen corresponding path program 1 times [2020-10-14 06:00:25,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:00:25,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [55932075] [2020-10-14 06:00:25,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:00:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:26,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:26,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:26,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:27,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:28,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:31,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:31,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 06:00:31,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:00:31,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 06:00:31,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:31,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:31,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:00:31,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 06:00:31,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:00:31,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:31,918 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 06:00:31,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:00:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:31,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:31,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:31,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:31,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:31,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 06:00:31,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:31,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:31,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:31,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:31,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:31,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:31,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:00:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:31,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:31,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:31,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:00:31,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:31,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:31,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:31,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:31,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:31,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:31,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:31,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:31,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:00:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:31,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:31,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:31,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:00:31,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:31,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:31,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:31,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:31,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:31,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:00:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:31,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:31,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:31,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:31,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:31,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:31,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:31,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:31,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:31,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:31,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:31,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:31,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:00:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:31,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:31,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:31,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:00:31,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:31,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:31,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:31,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:31,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:31,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:31,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:31,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:31,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:00:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:31,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:31,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:31,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:31,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:31,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:00:31,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:31,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:31,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:31,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:31,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:31,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:32,171 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:00:32,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:00:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:32,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:32,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:32,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:32,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:33,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:33,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 06:00:33,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:00:33,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1455 [2020-10-14 06:00:33,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:33,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:33,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:00:33,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 06:00:33,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:00:33,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:33,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:00:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:33,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:33,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:33,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:33,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:34,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:34,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 06:00:34,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:00:34,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 418 [2020-10-14 06:00:34,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:34,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:34,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:00:34,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:00:34,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:00:34,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:34,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:00:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:34,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:34,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:34,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:34,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:00:34,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:00:34,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:00:34,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:34,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:34,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:34,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:34,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:34,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:34,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:00:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:34,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:34,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:34,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:00:34,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:34,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 06:00:34,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:34,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:34,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:00:34,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 06:00:34,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:00:34,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:34,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:00:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:34,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:34,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:34,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:00:34,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:34,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:00:34,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:34,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:00:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:00:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:00:34,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:34,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 06:00:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:34,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:34,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:34,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 06:00:34,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:34,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 06:00:34,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:34,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 06:00:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:34,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:34,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:00:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:34,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:34,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:34,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:00:34,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:34,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:00:34,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:34,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:34,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:34,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:34,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:34,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:34,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:00:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:34,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:34,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:34,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:34,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:34,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:34,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:34,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:34,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:34,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:34,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:34,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 06:00:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:34,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:34,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:34,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:00:34,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:34,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:00:34,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:34,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:34,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:34,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:34,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:34,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:34,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:00:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:34,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:34,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:34,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:34,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:34,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:34,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:34,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:34,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:34,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:34,396 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 06:00:34,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [55932075] [2020-10-14 06:00:34,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:00:34,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:00:34,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096116092] [2020-10-14 06:00:34,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:00:34,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:00:34,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:00:34,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:00:34,398 INFO L87 Difference]: Start difference. First operand 650 states and 1010 transitions. Second operand 10 states. [2020-10-14 06:00:36,072 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-14 06:00:37,065 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-14 06:00:37,806 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 06:00:53,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:00:53,577 INFO L93 Difference]: Finished difference Result 1662 states and 2827 transitions. [2020-10-14 06:00:53,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:00:53,578 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-10-14 06:00:53,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:00:53,586 INFO L225 Difference]: With dead ends: 1662 [2020-10-14 06:00:53,586 INFO L226 Difference]: Without dead ends: 1098 [2020-10-14 06:00:53,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-10-14 06:00:53,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2020-10-14 06:00:53,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 653. [2020-10-14 06:00:53,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2020-10-14 06:00:53,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 1014 transitions. [2020-10-14 06:00:53,738 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 1014 transitions. Word has length 90 [2020-10-14 06:00:53,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:00:53,738 INFO L479 AbstractCegarLoop]: Abstraction has 653 states and 1014 transitions. [2020-10-14 06:00:53,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:00:53,739 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1014 transitions. [2020-10-14 06:00:53,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-14 06:00:53,740 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:00:53,740 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 06:00:53,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 06:00:53,741 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:00:53,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:00:53,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1595454158, now seen corresponding path program 1 times [2020-10-14 06:00:53,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:00:53,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102651494] [2020-10-14 06:00:53,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:00:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:53,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:53,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:53,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:54,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:55,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:56,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:58,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:58,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 06:00:58,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:00:58,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 06:00:58,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:58,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:58,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:00:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 06:00:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:00:58,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:59,526 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 06:00:59,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:00:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:59,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:59,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:59,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:59,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:59,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 06:00:59,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:59,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:59,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:59,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:59,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:59,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:59,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:00:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:59,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:59,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:59,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:00:59,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:59,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:59,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:59,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:59,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:59,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:59,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:59,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:59,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:00:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:59,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:59,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:59,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:00:59,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:59,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:59,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:59,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:59,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:59,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:59,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:59,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:59,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:00:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:59,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:59,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:59,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:59,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:59,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:59,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:59,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:59,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:59,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:00:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:59,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:59,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:59,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:00:59,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:59,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:00:59,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:59,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:59,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:59,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:59,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:00:59,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:00:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:59,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:59,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:00:59,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:00:59,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:00:59,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:00:59,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:00:59,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:00:59,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:00:59,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:00:59,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:00:59,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:00:59,784 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:00:59,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:00:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:00:59,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:59,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:59,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:00:59,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:00,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:00,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 06:01:00,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:01:00,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 788 [2020-10-14 06:01:00,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:00,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:00,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:01:00,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:01:00,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:01:00,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:00,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:01:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:00,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:00,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:00,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:00,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:00,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:00,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:01:00,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:01:00,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-14 06:01:00,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:00,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:01:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 06:01:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:01:00,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:00,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:01:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:00,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:00,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:00,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:00,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:01:00,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:01:00,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:01:00,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:00,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:00,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:00,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:01:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:00,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:00,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:00,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 06:01:00,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:00,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 06:01:00,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:00,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:00,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:01:00,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:01:00,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 06:01:00,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:00,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:01:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:00,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:00,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:00,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:01:00,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:00,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:01:00,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:00,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:00,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:01:00,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:00,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:01:00,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:00,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 06:01:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:00,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:01,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:01,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 06:01:01,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:01,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 06:01:01,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:01,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 06:01:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:01,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:01,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:01:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:01,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:01,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:01,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:01:01,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:01,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:01:01,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:01,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:01,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:01,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:01:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:01,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:01,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:01,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:01,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:01,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:01,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:01,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:01,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:01,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:01,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:01,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:01,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 06:01:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:01,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:01,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:01,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:01:01,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:01,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:01:01,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:01,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:01,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:01,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:01,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:01,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:01,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:01:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:01,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:01,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:01,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:01,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:01,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:01,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:01,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:01,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:01,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:01,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:01,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:01,076 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 06:01:01,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102651494] [2020-10-14 06:01:01,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:01:01,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 06:01:01,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239351084] [2020-10-14 06:01:01,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 06:01:01,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:01:01,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 06:01:01,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 06:01:01,078 INFO L87 Difference]: Start difference. First operand 653 states and 1014 transitions. Second operand 9 states. [2020-10-14 06:01:02,596 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 06:01:03,589 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 06:01:23,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:01:23,917 INFO L93 Difference]: Finished difference Result 1660 states and 2828 transitions. [2020-10-14 06:01:23,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 06:01:23,917 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-10-14 06:01:23,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:01:23,923 INFO L225 Difference]: With dead ends: 1660 [2020-10-14 06:01:23,923 INFO L226 Difference]: Without dead ends: 1092 [2020-10-14 06:01:23,926 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 06:01:23,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2020-10-14 06:01:24,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 653. [2020-10-14 06:01:24,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2020-10-14 06:01:24,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 1009 transitions. [2020-10-14 06:01:24,086 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 1009 transitions. Word has length 91 [2020-10-14 06:01:24,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:01:24,086 INFO L479 AbstractCegarLoop]: Abstraction has 653 states and 1009 transitions. [2020-10-14 06:01:24,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 06:01:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1009 transitions. [2020-10-14 06:01:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-14 06:01:24,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:01:24,088 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 06:01:24,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 06:01:24,089 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:01:24,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:01:24,089 INFO L82 PathProgramCache]: Analyzing trace with hash -933477449, now seen corresponding path program 1 times [2020-10-14 06:01:24,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:01:24,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244630783] [2020-10-14 06:01:24,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:01:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:24,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:24,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:24,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:24,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:25,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:26,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:29,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:29,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 06:01:29,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:01:29,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-14 06:01:29,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:29,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:01:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-14 06:01:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:01:29,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:29,911 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 06:01:29,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:01:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:29,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:29,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:29,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:29,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:29,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 06:01:29,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:29,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:29,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:29,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:29,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:29,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:29,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:01:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:29,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:29,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:29,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:01:29,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:29,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:29,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:29,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:29,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:29,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:29,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:29,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:29,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:01:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:29,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:29,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:29,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:01:29,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:29,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:29,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:29,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:29,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:29,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:29,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:29,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:29,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:01:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:29,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:29,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:29,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:29,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:29,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:29,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:29,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:29,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:29,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:29,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:29,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:29,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:01:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:29,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:29,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:29,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:01:29,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:29,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:29,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:29,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:29,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 06:01:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:29,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:29,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:29,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:29,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:29,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:01:29,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:29,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:29,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:30,167 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:01:30,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 06:01:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:30,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:30,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:30,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:30,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:31,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:31,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 06:01:31,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:01:31,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1111 [2020-10-14 06:01:31,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:31,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:31,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:01:31,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 06:01:31,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:01:31,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:31,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:01:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:31,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:31,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:31,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:31,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:31,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:31,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:01:31,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:01:31,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 407 [2020-10-14 06:01:31,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:31,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:31,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:01:31,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 06:01:31,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:01:31,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:31,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:01:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:31,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:31,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:31,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:31,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:01:31,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:01:31,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:01:31,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:31,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:31,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:31,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:31,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:01:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:31,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:31,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:31,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 06:01:31,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:31,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 06:01:31,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:31,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:31,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:01:31,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 06:01:31,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:01:31,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:31,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:01:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:31,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:31,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:31,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:01:31,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:31,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:01:31,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:31,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:31,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:01:31,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:01:31,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:01:31,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:31,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 06:01:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:31,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:31,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:31,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 06:01:31,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:31,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 06:01:31,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:31,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:31,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:31,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 06:01:31,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:31,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:31,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:01:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:31,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:31,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:31,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:01:31,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:31,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:01:31,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:31,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:31,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:31,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:31,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:31,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:31,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:01:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:31,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:31,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:31,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:31,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:31,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:31,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:31,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:31,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:31,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:31,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:31,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:01:31,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 06:01:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:31,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:31,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:31,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:01:31,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:31,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:01:31,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:31,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:31,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:31,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:31,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:31,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:31,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:01:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:01:31,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:01:31,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:01:31,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:01:31,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:01:31,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:01:31,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:01:31,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:01:31,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:01:31,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:01:31,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:01:31,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:01:31,999 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 06:01:32,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244630783] [2020-10-14 06:01:32,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:01:32,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:01:32,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782325975] [2020-10-14 06:01:32,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:01:32,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:01:32,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:01:32,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:01:32,002 INFO L87 Difference]: Start difference. First operand 653 states and 1009 transitions. Second operand 10 states. [2020-10-14 06:01:33,763 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-14 06:01:34,764 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-14 06:01:35,471 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121