/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=BIGGEST --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_spec1_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:39:34,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:39:34,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:39:34,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:39:34,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:39:34,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:39:34,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:39:34,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:39:34,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:39:34,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:39:34,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:39:34,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:39:34,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:39:34,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:39:34,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:39:34,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:39:34,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:39:34,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:39:34,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:39:34,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:39:34,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:39:34,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:39:34,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:39:34,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:39:34,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:39:34,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:39:34,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:39:34,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:39:34,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:39:34,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:39:34,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:39:34,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:39:34,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:39:34,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:39:34,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:39:34,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:39:34,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:39:34,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:39:34,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:39:34,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:39:34,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:39:34,721 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 [2020-10-12 16:39:34,757 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:39:34,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:39:34,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:39:34,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:39:34,760 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:39:34,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:39:34,761 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:39:34,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:39:34,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:39:34,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:39:34,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:39:34,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:39:34,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:39:34,763 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:39:34,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:39:34,764 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:39:34,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:39:34,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:39:34,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:39:34,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:39:34,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:39:34,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:39:34,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:39:34,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:39:34,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:39:34,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:39:34,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:39:34,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:39:34,766 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:39:34,767 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:39:35,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:39:35,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:39:35,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:39:35,073 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:39:35,074 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:39:35,075 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product26.cil.c [2020-10-12 16:39:35,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/93140b1dd/466c31c5c5d1499f91656fdc4f56f41f/FLAG73f11e542 [2020-10-12 16:39:35,769 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:39:35,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product26.cil.c [2020-10-12 16:39:35,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/93140b1dd/466c31c5c5d1499f91656fdc4f56f41f/FLAG73f11e542 [2020-10-12 16:39:35,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/93140b1dd/466c31c5c5d1499f91656fdc4f56f41f [2020-10-12 16:39:35,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:39:35,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:39:35,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:39:35,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:39:35,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:39:35,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:39:35" (1/1) ... [2020-10-12 16:39:35,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e3ee29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:35, skipping insertion in model container [2020-10-12 16:39:35,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:39:35" (1/1) ... [2020-10-12 16:39:35,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:39:36,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:39:36,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:39:36,691 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:39:36,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:39:36,917 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:39:36,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36 WrapperNode [2020-10-12 16:39:36,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:39:36,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:39:36,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:39:36,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:39:36,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (1/1) ... [2020-10-12 16:39:36,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (1/1) ... [2020-10-12 16:39:36,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (1/1) ... [2020-10-12 16:39:36,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (1/1) ... [2020-10-12 16:39:37,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (1/1) ... [2020-10-12 16:39:37,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (1/1) ... [2020-10-12 16:39:37,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (1/1) ... [2020-10-12 16:39:37,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:39:37,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:39:37,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:39:37,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:39:37,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (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 [2020-10-12 16:39:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:39:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:39:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:39:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:39:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:39:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:39:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:39:37,182 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:39:37,182 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:39:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:39:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-12 16:39:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:39:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:39:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:39:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:39:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:39:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:39:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:39:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:39:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:39:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:39:37,186 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:39:37,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:39:37,186 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:39:37,186 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:39:37,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:39:37,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:39:37,187 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2020-10-12 16:39:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:39:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__empty [2020-10-12 16:39:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:39:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:39:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:39:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:39:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:39:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:39:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:39:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:39:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:39:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:39:37,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:39:37,190 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:39:37,190 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:39:37,190 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:39:37,190 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:39:37,190 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:39:37,190 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:39:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-12 16:39:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-12 16:39:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-12 16:39:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-12 16:39:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:39:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:39:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:39:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:39:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:39:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:39:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:39:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:39:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:39:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:39:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:39:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:39:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:39:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:39:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:39:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:39:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:39:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:39:37,196 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:39:37,196 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:39:37,197 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:39:37,197 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:39:37,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:39:37,198 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:39:37,198 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:39:37,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:39:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:39:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:39:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:39:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:39:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:39:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:39:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:39:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:39:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:39:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:39:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:39:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:39:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:39:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:39:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:39:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:39:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:39:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:39:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:39:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:39:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:39:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:39:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:39:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:39:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:39:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:39:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:39:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:39:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:39:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-12 16:39:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:39:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:39:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:39:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:39:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:39:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:39:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:39:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:39:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:39:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:39:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2020-10-12 16:39:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-12 16:39:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__empty [2020-10-12 16:39:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:39:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:39:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:39:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:39:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:39:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:39:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:39:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:39:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:39:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:39:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:39:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:39:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:39:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:39:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:39:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:39:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:39:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:39:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:39:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:39:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:39:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:39:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:39:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:39:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:39:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:39:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:39:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-12 16:39:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-12 16:39:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-12 16:39:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:39:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:39:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:39:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:39:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:39:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:39:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:39:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:39:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:39:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:39:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:39:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:39:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:39:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:39:37,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:39:37,229 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:39:37,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:39:37,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:39:37,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:39:39,226 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:39:39,227 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:39:39,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:39:39 BoogieIcfgContainer [2020-10-12 16:39:39,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:39:39,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:39:39,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:39:39,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:39:39,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:39:35" (1/3) ... [2020-10-12 16:39:39,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd06012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:39:39, skipping insertion in model container [2020-10-12 16:39:39,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:36" (2/3) ... [2020-10-12 16:39:39,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd06012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:39:39, skipping insertion in model container [2020-10-12 16:39:39,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:39:39" (3/3) ... [2020-10-12 16:39:39,246 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product26.cil.c [2020-10-12 16:39:39,256 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:39:39,264 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:39:39,278 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:39:39,302 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:39:39,302 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:39:39,302 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:39:39,302 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:39:39,302 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:39:39,302 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:39:39,303 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:39:39,303 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:39:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states. [2020-10-12 16:39:39,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-12 16:39:39,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:39:39,355 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:39:39,355 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:39:39,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:39:39,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1704372100, now seen corresponding path program 1 times [2020-10-12 16:39:39,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:39:39,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1601187455] [2020-10-12 16:39:39,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:39:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:40,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:44,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:44,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-12 16:39:44,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:39:44,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-12 16:39:44,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:44,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:44,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-12 16:39:44,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:44,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:39:45,905 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:39:45,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:39:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:45,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:45,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:45,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:45,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 16:39:45,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:45,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:45,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:39:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:45,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:45,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:39:45,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:45,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:45,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:45,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:45,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:45,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:45,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:45,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:39:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:45,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:45,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:39:45,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:45,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:45,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:45,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:45,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:45,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:45,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:45,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:39:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:45,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:46,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:46,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:46,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:46,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:46,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:46,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:46,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:39:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:39:46,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:46,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:46,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:46,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:46,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:46,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:46,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:39:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:46,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:46,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:39:46,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:46,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:46,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:46,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:46,231 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:39:46,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:39:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:47,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:47,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:47,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:51,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:51,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-12 16:39:51,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 16:39:51,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-12 16:39:51,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-12 16:39:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:51,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:51,441 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:39:51,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:39:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:51,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:51,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:51,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:51,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:51,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:51,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:52,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 16:39:52,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:39:52,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 979 [2020-10-12 16:39:52,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:52,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:52,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:39:52,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:52,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:52,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:52,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:52,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:52,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:52,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 16:39:52,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:52,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:39:52,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:39:52,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:39:52,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:52,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:39:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:52,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:52,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:39:52,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:39:52,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-12 16:39:52,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:52,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:39:52,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:39:52,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:39:52,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:52,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:39:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:52,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:52,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:39:52,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:52,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-12 16:39:52,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:52,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:39:52,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:52,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:39:52,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:52,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:52,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:52,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:52,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:52,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:52,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 16:39:52,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:52,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:39:52,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:52,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:39:52,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:53,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:39:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:53,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:53,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:53,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 16:39:53,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:39:53,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 922 [2020-10-12 16:39:53,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:53,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:53,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:39:53,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:53,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:54,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:54,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:54,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:54,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:54,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:54,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:54,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:39:54,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:54,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:39:54,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:54,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:39:54,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:54,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:39:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:54,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:54,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:54,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:54,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:54,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:54,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:39:54,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:39:54,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-10-12 16:39:54,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:39:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:39:54,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:39:54,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:54,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:39:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:54,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:54,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:54,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:54,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:39:54,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:54,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-12 16:39:54,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:54,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:39:54,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:54,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:39:54,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:54,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:54,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:54,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:54,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:54,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:54,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:39:54,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:54,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:39:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:39:54,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:54,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:39:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:54,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:54,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:54,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:54,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 16:39:54,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:54,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 16:39:54,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:54,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:54,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-12 16:39:54,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:54,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:54,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:54,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:54,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:54,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:39:54,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:54,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 16:39:54,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:54,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:54,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:54,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:54,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:54,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:54,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:54,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:54,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:54,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:54,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:54,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:54,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:54,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:54,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:54,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:54,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:39:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:54,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:54,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:54,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:39:54,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:54,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:39:54,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:54,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:54,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:54,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:54,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:54,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:54,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:54,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:54,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:54,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:54,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:54,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:54,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:54,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:54,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:54,885 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-12 16:39:54,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1601187455] [2020-10-12 16:39:54,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:39:54,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 16:39:54,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237607021] [2020-10-12 16:39:54,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 16:39:54,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:39:54,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 16:39:54,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2020-10-12 16:39:54,912 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 21 states. [2020-10-12 16:39:56,870 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:57,697 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:39:58,701 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:59,493 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:40:00,344 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:01,243 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:40:02,088 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:02,856 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:03,706 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:40:04,632 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:22,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:40:22,042 INFO L93 Difference]: Finished difference Result 1510 states and 2549 transitions. [2020-10-12 16:40:22,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 16:40:22,045 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 116 [2020-10-12 16:40:22,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:40:22,075 INFO L225 Difference]: With dead ends: 1510 [2020-10-12 16:40:22,076 INFO L226 Difference]: Without dead ends: 901 [2020-10-12 16:40:22,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=191, Invalid=1215, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 16:40:22,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-10-12 16:40:22,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 628. [2020-10-12 16:40:22,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2020-10-12 16:40:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 1003 transitions. [2020-10-12 16:40:22,372 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 1003 transitions. Word has length 116 [2020-10-12 16:40:22,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:40:22,373 INFO L479 AbstractCegarLoop]: Abstraction has 628 states and 1003 transitions. [2020-10-12 16:40:22,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 16:40:22,373 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1003 transitions. [2020-10-12 16:40:22,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-12 16:40:22,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:40:22,379 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:40:22,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:40:22,380 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:40:22,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:40:22,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1224648271, now seen corresponding path program 1 times [2020-10-12 16:40:22,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:40:22,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147021442] [2020-10-12 16:40:22,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:40:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:22,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:22,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:22,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:22,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:22,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:23,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:23,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:24,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:27,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:27,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-12 16:40:27,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:40:27,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-12 16:40:27,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:27,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:40:27,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-12 16:40:27,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:40:27,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:28,197 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:40:28,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:40:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:28,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:28,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:28,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:28,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 16:40:28,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:28,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:28,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:40:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:28,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:28,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:40:28,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:28,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:40:28,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:28,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:28,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:28,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:28,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:28,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:40:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:28,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:28,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:40:28,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:28,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:40:28,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:28,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:28,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:28,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:28,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:28,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:40:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:28,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:28,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:28,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:28,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:40:28,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:28,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:28,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:40:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:28,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:28,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:40:28,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:28,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:40:28,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:28,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:28,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:28,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:40:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:28,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:28,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:28,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:28,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:40:28,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:28,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:28,524 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:40:28,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:40:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:28,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:33,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-12 16:40:33,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 16:40:33,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 16:40:33,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:33,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:40:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-12 16:40:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:40:33,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:33,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:40:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:33,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:34,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 16:40:34,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:40:34,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 400 [2020-10-12 16:40:34,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:34,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:40:34,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:40:34,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:40:34,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:34,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:34,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:34,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:40:34,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:40:34,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:40:34,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:34,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:40:34,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:40:34,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:40:34,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:34,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:40:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:34,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:34,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:40:34,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:40:34,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-12 16:40:34,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:34,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:40:34,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:40:34,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:40:34,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:34,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:40:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:34,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:34,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:40:34,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:40:34,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 16:40:34,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:40:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:34,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:40:34,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:34,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:34,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:34,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:40:34,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:34,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:40:34,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:40:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:34,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:40:34,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:34,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:40:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:34,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:35,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:35,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 16:40:35,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:40:35,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 576 [2020-10-12 16:40:35,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:35,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:40:35,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:40:35,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:40:35,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:35,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:35,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:35,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:35,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:35,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:40:35,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:40:35,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:40:35,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:35,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:40:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:40:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:40:35,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:35,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:40:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:35,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:35,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:35,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:35,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:35,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:35,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:40:35,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:40:35,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-12 16:40:35,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:40:35,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:40:35,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:40:35,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:35,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:40:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:35,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:35,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:35,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:35,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:40:35,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:40:35,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 16:40:35,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:40:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:40:35,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:35,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:35,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:35,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:35,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:40:35,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:35,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 16:40:35,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:35,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:40:35,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:35,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:40:35,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:40:35,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:40:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:35,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:35,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:35,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 16:40:35,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:35,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 16:40:35,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:35,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:35,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 16:40:35,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:35,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:35,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:35,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:35,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:35,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:40:35,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:35,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:40:35,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:35,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:35,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:35,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:35,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:35,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:35,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:35,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:35,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:40:35,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:35,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:35,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:35,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:35,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:35,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:40:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:35,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:35,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:35,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:40:35,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:35,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:40:35,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:35,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:35,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:35,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:35,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:35,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:35,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:35,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:35,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:35,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:35,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:40:35,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:35,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-12 16:40:35,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147021442] [2020-10-12 16:40:35,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:40:35,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 16:40:35,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253533429] [2020-10-12 16:40:35,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 16:40:35,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:40:35,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 16:40:35,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2020-10-12 16:40:35,792 INFO L87 Difference]: Start difference. First operand 628 states and 1003 transitions. Second operand 24 states. [2020-10-12 16:40:37,586 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:38,369 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:40:39,355 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:40,107 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:40:40,953 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:41,844 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:40:42,735 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:43,513 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:44,378 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:40:45,357 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:41:05,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:41:05,384 INFO L93 Difference]: Finished difference Result 1501 states and 2512 transitions. [2020-10-12 16:41:05,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 16:41:05,385 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 120 [2020-10-12 16:41:05,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:41:05,394 INFO L225 Difference]: With dead ends: 1501 [2020-10-12 16:41:05,395 INFO L226 Difference]: Without dead ends: 901 [2020-10-12 16:41:05,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=207, Invalid=1433, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 16:41:05,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-10-12 16:41:05,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 628. [2020-10-12 16:41:05,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2020-10-12 16:41:05,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 1002 transitions. [2020-10-12 16:41:05,564 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 1002 transitions. Word has length 120 [2020-10-12 16:41:05,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:41:05,564 INFO L479 AbstractCegarLoop]: Abstraction has 628 states and 1002 transitions. [2020-10-12 16:41:05,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 16:41:05,564 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1002 transitions. [2020-10-12 16:41:05,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-12 16:41:05,567 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:41:05,567 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:41:05,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 16:41:05,568 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:41:05,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:41:05,568 INFO L82 PathProgramCache]: Analyzing trace with hash -2135037313, now seen corresponding path program 1 times [2020-10-12 16:41:05,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:41:05,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2087565918] [2020-10-12 16:41:05,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:41:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:05,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:05,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:05,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:05,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:05,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:06,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:06,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:10,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:10,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-12 16:41:10,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:41:10,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-12 16:41:10,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:10,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:41:10,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-12 16:41:10,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:41:10,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:11,409 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:41:11,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:41:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:11,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:11,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:11,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:11,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:11,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 16:41:11,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:11,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:11,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:11,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:11,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:11,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:41:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:11,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:11,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:11,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:41:11,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:11,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:11,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:11,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:11,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:11,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:11,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:11,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:41:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:11,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:11,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:11,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:41:11,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:11,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:11,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:11,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:11,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:11,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:11,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:11,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:41:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:11,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:11,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:11,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:11,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:11,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:11,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:11,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:11,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:11,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:11,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:11,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:41:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:11,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:11,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:11,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:41:11,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:11,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:11,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:11,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:11,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:11,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:11,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:11,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:41:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:11,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:11,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:11,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:11,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:11,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:41:11,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:11,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:11,691 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:41:11,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:41:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:11,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:11,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:11,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:11,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:11,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:11,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:16,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:16,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 16:41:16,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:41:16,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 16:41:16,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:16,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:41:16,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 16:41:16,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:41:16,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:16,865 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:41:16,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:41:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:16,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:16,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:16,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:16,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:17,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:17,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:17,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 16:41:17,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:41:17,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 765 [2020-10-12 16:41:17,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:41:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:41:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:41:17,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:17,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:17,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:17,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:17,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:17,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:41:17,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:41:17,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:41:17,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:17,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:41:17,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:41:17,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:41:17,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:17,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:41:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:17,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:17,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:17,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:17,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:17,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:17,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:41:17,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:41:17,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-12 16:41:17,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:17,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:41:17,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:41:17,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:41:17,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:17,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:41:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:17,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:17,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:17,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:17,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:41:17,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:41:17,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 16:41:17,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:17,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:41:17,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:17,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:41:17,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:17,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:17,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:17,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:17,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:41:17,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:17,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:41:17,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:17,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:41:17,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:17,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:41:17,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:17,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 16:41:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:17,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:17,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:17,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:18,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 16:41:18,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:41:18,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-12 16:41:18,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:18,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:41:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:41:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:41:18,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:18,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:18,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:18,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:41:18,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:18,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:41:18,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:41:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:41:18,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:18,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:41:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:18,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:18,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:41:18,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:41:18,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-12 16:41:18,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:18,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:41:18,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:41:18,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:41:18,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:18,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:41:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:18,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:18,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:41:18,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:41:18,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 16:41:18,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:18,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:41:18,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:18,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:41:18,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:18,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:18,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:18,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:41:18,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:18,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:41:18,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:18,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:41:18,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:18,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:41:18,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:18,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:41:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:18,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:18,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 16:41:18,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:18,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 16:41:18,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:18,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:18,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 16:41:18,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:18,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:41:18,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:18,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:18,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:41:18,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:18,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 16:41:18,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:18,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:18,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:18,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:18,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:41:18,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:18,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:18,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:18,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:18,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:41:18,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:18,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:18,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:18,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:18,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:41:18,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:41:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:18,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:18,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:41:18,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:18,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:41:18,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:18,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:18,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:41:18,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:18,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:18,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:18,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:18,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:18,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:41:18,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:18,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:18,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:18,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:18,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:41:18,837 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-12 16:41:18,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2087565918] [2020-10-12 16:41:18,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:41:18,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 16:41:18,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124757180] [2020-10-12 16:41:18,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 16:41:18,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:41:18,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 16:41:18,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2020-10-12 16:41:18,844 INFO L87 Difference]: Start difference. First operand 628 states and 1002 transitions. Second operand 22 states. [2020-10-12 16:41:21,182 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:41:21,984 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:41:22,902 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:41:23,703 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:41:24,571 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:41:25,358 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:41:26,235 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:41:27,017 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:41:27,911 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:41:28,696 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:41:29,560 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:41:30,365 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:41:31,314 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:41:32,976 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:41:33,800 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:41:34,783 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:41:35,549 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:41:53,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:41:53,866 INFO L93 Difference]: Finished difference Result 1533 states and 2565 transitions. [2020-10-12 16:41:53,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-12 16:41:53,867 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 122 [2020-10-12 16:41:53,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:41:53,881 INFO L225 Difference]: With dead ends: 1533 [2020-10-12 16:41:53,881 INFO L226 Difference]: Without dead ends: 935 [2020-10-12 16:41:53,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 568 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=327, Invalid=2429, Unknown=0, NotChecked=0, Total=2756 [2020-10-12 16:41:53,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2020-10-12 16:41:54,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 646. [2020-10-12 16:41:54,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-10-12 16:41:54,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 1027 transitions. [2020-10-12 16:41:54,111 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 1027 transitions. Word has length 122 [2020-10-12 16:41:54,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:41:54,111 INFO L479 AbstractCegarLoop]: Abstraction has 646 states and 1027 transitions. [2020-10-12 16:41:54,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 16:41:54,112 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1027 transitions. [2020-10-12 16:41:54,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-12 16:41:54,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:41:54,122 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:41:54,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 16:41:54,122 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:41:54,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:41:54,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1445486477, now seen corresponding path program 1 times [2020-10-12 16:41:54,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:41:54,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058236070] [2020-10-12 16:41:54,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:41:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:54,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:54,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:54,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:54,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:54,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:54,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:55,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:55,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:55,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:55,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:56,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:58,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:59,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:59,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 16:41:59,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-12 16:41:59,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 16:41:59,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:59,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:41:59,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 16:41:59,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 16:41:59,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:00,004 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:42:00,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:42:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:00,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:00,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:00,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:00,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:00,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 16:42:00,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:00,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:00,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:00,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:00,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:00,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:42:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:00,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:00,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:00,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:42:00,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:00,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:00,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:00,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:00,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:00,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:00,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:00,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:42:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:00,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:00,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:00,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:42:00,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:00,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:00,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:00,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:00,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:00,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:00,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:00,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:42:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:00,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:00,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:00,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:00,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:00,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:00,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:00,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:00,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:00,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:00,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:00,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:42:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:00,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:00,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:00,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:42:00,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:00,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:00,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:00,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:00,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:00,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:00,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:42:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:00,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:00,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:00,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:00,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:00,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:42:00,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:00,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:00,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:00,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:00,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:00,301 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:42:00,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:42:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:00,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:00,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:00,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:00,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:00,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:00,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:00,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:00,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:00,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:00,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:00,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:02,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:02,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:02,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:05,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-12 16:42:05,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 16:42:05,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 16:42:05,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:05,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:42:05,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 16:42:05,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:42:05,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:05,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:42:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:05,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:06,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 16:42:06,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:42:06,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 738 [2020-10-12 16:42:06,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:06,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:42:06,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:42:06,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:42:06,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:06,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:06,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:06,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 16:42:06,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:42:06,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 16:42:06,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:06,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:42:06,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:42:06,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 16:42:06,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:06,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 16:42:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:06,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:06,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:42:06,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:42:06,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-12 16:42:06,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:06,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:42:06,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:42:06,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:42:06,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:06,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:42:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:06,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:06,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:42:06,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:42:06,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 16:42:06,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:42:06,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:06,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:42:06,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:06,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:06,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:06,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:42:06,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:06,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:42:06,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:06,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:42:06,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:06,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:42:06,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:42:06,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 16:42:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:06,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:07,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:07,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:07,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 16:42:07,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 16:42:07,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1119 [2020-10-12 16:42:07,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:07,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:42:07,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:42:07,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 16:42:07,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:07,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:07,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:07,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:07,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:42:07,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:07,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:42:07,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:07,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:42:07,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:07,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:42:07,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:07,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:42:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:07,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:07,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:07,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:07,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:07,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:07,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:07,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:07,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:08,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 16:42:08,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:42:08,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-12 16:42:08,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:08,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:42:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:42:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 16:42:08,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:08,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 16:42:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:08,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:08,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:42:08,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:42:08,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 16:42:08,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:08,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:42:08,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:08,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:42:08,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:08,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:08,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:08,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:42:08,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:08,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:42:08,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:08,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:42:08,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:08,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:42:08,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:08,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:42:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:08,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:08,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 16:42:08,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:08,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:42:08,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 16:42:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:08,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:08,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:08,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:08,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:42:08,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:08,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:42:08,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:08,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:08,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:08,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:08,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:08,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:08,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:08,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:08,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:08,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:08,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:08,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:08,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:42:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:08,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:08,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:42:08,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:08,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:42:08,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:08,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:08,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:08,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:08,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:08,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:08,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:08,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:08,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:08,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:08,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:08,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:08,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:08,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:08,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:08,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:08,399 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 16:42:08,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058236070] [2020-10-12 16:42:08,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:42:08,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 16:42:08,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849769585] [2020-10-12 16:42:08,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 16:42:08,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:42:08,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 16:42:08,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2020-10-12 16:42:08,402 INFO L87 Difference]: Start difference. First operand 646 states and 1027 transitions. Second operand 23 states. [2020-10-12 16:42:11,861 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:42:12,702 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:42:13,507 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:42:14,418 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:42:15,194 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:42:16,054 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:42:16,821 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:42:17,738 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:42:18,536 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:42:19,415 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:42:20,225 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:42:21,106 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:42:21,944 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:42:22,719 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:42:23,653 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:42:24,571 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:42:26,337 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:42:27,505 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:42:28,270 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:42:47,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:42:47,590 INFO L93 Difference]: Finished difference Result 1573 states and 2627 transitions. [2020-10-12 16:42:47,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-12 16:42:47,591 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 126 [2020-10-12 16:42:47,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:42:47,599 INFO L225 Difference]: With dead ends: 1573 [2020-10-12 16:42:47,600 INFO L226 Difference]: Without dead ends: 964 [2020-10-12 16:42:47,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 16.3s TimeCoverageRelationStatistics Valid=314, Invalid=2656, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 16:42:47,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2020-10-12 16:42:47,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 668. [2020-10-12 16:42:47,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 668 states. [2020-10-12 16:42:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1061 transitions. [2020-10-12 16:42:47,851 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1061 transitions. Word has length 126 [2020-10-12 16:42:47,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:42:47,854 INFO L479 AbstractCegarLoop]: Abstraction has 668 states and 1061 transitions. [2020-10-12 16:42:47,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 16:42:47,854 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1061 transitions. [2020-10-12 16:42:47,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-12 16:42:47,861 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:42:47,861 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:42:47,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 16:42:47,861 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:42:47,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:42:47,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1700888644, now seen corresponding path program 1 times [2020-10-12 16:42:47,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:42:47,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110845431] [2020-10-12 16:42:47,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:42:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:47,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:47,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:48,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:48,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:48,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:48,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:48,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:49,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:52,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:52,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:52,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-12 16:42:52,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:42:52,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-12 16:42:52,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 16:42:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:42:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-12 16:42:52,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:53,685 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:42:53,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:42:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:53,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:53,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:53,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:53,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 16:42:53,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:53,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:42:53,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:53,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:42:53,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:53,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:42:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:53,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:53,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:42:53,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:53,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:42:53,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:53,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:42:53,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:53,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:42:53,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:53,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:42:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:53,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:53,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:42:53,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:53,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:42:53,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:53,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:42:53,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:53,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:42:53,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:53,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:42:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:53,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:53,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:53,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:53,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:42:53,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:53,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:42:53,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:53,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:42:53,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:53,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:42:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:53,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:53,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:42:53,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:53,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:42:53,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:53,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:42:53,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:53,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:42:53,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:53,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:42:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:53,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:53,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:53,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:53,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:42:53,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:42:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:42:53,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:54,040 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:42:54,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:42:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:54,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:54,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:54,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:54,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:54,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:54,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:54,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:54,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:59,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 16:42:59,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:42:59,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 16:42:59,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:59,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:42:59,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 16:42:59,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 16:42:59,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:59,189 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:42:59,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:42:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:59,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:59,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 16:42:59,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:42:59,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 16:42:59,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:59,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:42:59,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 16:42:59,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:42:59,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:59,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:59,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:59,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 16:42:59,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:42:59,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:42:59,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:42:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:42:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 16:42:59,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:59,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 16:42:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:59,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:59,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:42:59,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:59,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:42:59,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:42:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:42:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:42:59,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:59,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:42:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:59,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:59,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:42:59,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:59,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:42:59,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:59,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:42:59,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:59,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 16:42:59,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:59,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:59,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:59,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:42:59,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:59,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:42:59,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:59,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:59,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:59,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:59,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:59,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:42:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:59,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:00,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 16:43:00,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:43:00,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 689 [2020-10-12 16:43:00,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:00,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:43:00,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:43:00,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 16:43:00,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:00,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:00,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:00,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:43:00,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:00,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:43:00,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:00,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:43:00,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:00,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:43:00,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:00,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:43:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:00,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:00,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:43:00,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:43:00,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-12 16:43:00,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:43:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:43:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:43:00,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:00,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 16:43:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:00,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:00,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 16:43:00,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:43:00,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 16:43:00,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:00,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:43:00,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:00,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 16:43:00,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:00,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:00,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:00,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:43:00,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:00,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:43:00,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:00,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:43:00,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:00,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:43:00,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:00,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 16:43:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:00,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:00,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 16:43:00,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:00,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 16:43:00,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 16:43:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:00,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:00,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:00,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:00,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:43:00,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:00,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:43:00,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:00,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:00,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:00,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:00,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:00,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:43:00,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:00,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:43:00,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:00,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:00,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:00,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:00,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:00,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:43:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:00,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:00,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:43:00,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:00,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:43:00,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:00,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:00,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:00,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:00,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:43:00,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:00,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:43:00,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:00,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:00,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:00,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:00,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:00,734 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 16:43:00,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110845431] [2020-10-12 16:43:00,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:43:00,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 16:43:00,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293258883] [2020-10-12 16:43:00,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 16:43:00,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:43:00,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 16:43:00,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-10-12 16:43:00,736 INFO L87 Difference]: Start difference. First operand 668 states and 1061 transitions. Second operand 19 states. [2020-10-12 16:43:02,062 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:43:03,183 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:43:04,009 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:43:04,830 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:43:05,740 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-12 16:43:06,562 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2020-10-12 16:43:07,469 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:43:08,459 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:43:09,964 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:43:12,485 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:43:13,296 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:43:14,222 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 127