/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SHALLOWEST --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 language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:28:59,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:28:59,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:28:59,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:28:59,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:28:59,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:28:59,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:28:59,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:28:59,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:28:59,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:28:59,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:28:59,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:28:59,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:28:59,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:28:59,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:28:59,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:28:59,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:28:59,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:28:59,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:28:59,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:28:59,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:28:59,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:28:59,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:28:59,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:28:59,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:28:59,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:28:59,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:28:59,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:28:59,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:28:59,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:28:59,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:28:59,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:28:59,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:28:59,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:28:59,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:28:59,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:28:59,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:28:59,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:28:59,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:28:59,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:28:59,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:28:59,833 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 [2020-10-27 02:28:59,860 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:28:59,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:28:59,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:28:59,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:28:59,862 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:28:59,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:28:59,863 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:28:59,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:28:59,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:28:59,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:28:59,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:28:59,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:28:59,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:28:59,865 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:28:59,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:28:59,866 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:28:59,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:28:59,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:28:59,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:28:59,867 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:28:59,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:28:59,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:28:59,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:28:59,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:28:59,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:28:59,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:28:59,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:28:59,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:28:59,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:28:59,871 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:29:00,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:29:00,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:29:00,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:29:00,351 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:29:00,352 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:29:00,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product31.cil.c [2020-10-27 02:29:00,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1b386064c/83266507e4934a26b50236111c784c92/FLAG3dd08104c [2020-10-27 02:29:01,267 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:29:01,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec9_product31.cil.c [2020-10-27 02:29:01,305 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1b386064c/83266507e4934a26b50236111c784c92/FLAG3dd08104c [2020-10-27 02:29:01,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1b386064c/83266507e4934a26b50236111c784c92 [2020-10-27 02:29:01,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:29:01,382 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:29:01,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:29:01,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:29:01,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:29:01,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:29:01" (1/1) ... [2020-10-27 02:29:01,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b6d75e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:29:01, skipping insertion in model container [2020-10-27 02:29:01,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:29:01" (1/1) ... [2020-10-27 02:29:01,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:29:01,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:29:02,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:29:02,350 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:29:02,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:29:02,684 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:29:02,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:29:02 WrapperNode [2020-10-27 02:29:02,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:29:02,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:29:02,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:29:02,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:29:02,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:29:02" (1/1) ... [2020-10-27 02:29:02,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:29:02" (1/1) ... [2020-10-27 02:29:02,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:29:02" (1/1) ... [2020-10-27 02:29:02,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:29:02" (1/1) ... [2020-10-27 02:29:02,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:29:02" (1/1) ... [2020-10-27 02:29:02,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:29:02" (1/1) ... [2020-10-27 02:29:02,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:29:02" (1/1) ... [2020-10-27 02:29:02,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:29:02,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:29:02,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:29:02,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:29:02,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:29:02" (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 [2020-10-27 02:29:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:29:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:29:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:29:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:29:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:29:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:29:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:29:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:29:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:29:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:29:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:29:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:29:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:29:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:29:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:29:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:29:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:29:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:29:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:29:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2020-10-27 02:29:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2020-10-27 02:29:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2020-10-27 02:29:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2020-10-27 02:29:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:29:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:29:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:29:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:29:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:29:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:29:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 02:29:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:29:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:29:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:29:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:29:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:29:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:29:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:29:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:29:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:29:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:29:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:29:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 02:29:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:29:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:29:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:29:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:29:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 02:29:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:29:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:29:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:29:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:29:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:29:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:29:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:29:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:29:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:29:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:29:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:29:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:29:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:29:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:29:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:29:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:29:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:29:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:29:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:29:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:29:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:29:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:29:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:29:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:29:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:29:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:29:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:29:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:29:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:29:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:29:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:29:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:29:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:29:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:29:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:29:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:29:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:29:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:29:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:29:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:29:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:29:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:29:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:29:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:29:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:29:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:29:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:29:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:29:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:29:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:29:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:29:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:29:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:29:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:29:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:29:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:29:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:29:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:29:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:29:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:29:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:29:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:29:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:29:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:29:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:29:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2020-10-27 02:29:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2020-10-27 02:29:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2020-10-27 02:29:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2020-10-27 02:29:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:29:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:29:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:29:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:29:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:29:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:29:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:29:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:29:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:29:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 02:29:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:29:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:29:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:29:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:29:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:29:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:29:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 02:29:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:29:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:29:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:29:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 02:29:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:29:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:29:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:29:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:29:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:29:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:29:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:29:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:29:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:29:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:29:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:29:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:29:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:29:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:29:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:29:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:29:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:29:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:29:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:29:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:29:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:29:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:29:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:29:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:29:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:29:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:29:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:29:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:29:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:29:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:29:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:29:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:29:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:29:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:29:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:29:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:29:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:29:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:29:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:29:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:29:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:29:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:29:05,295 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:29:05,296 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:29:05,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:29:05 BoogieIcfgContainer [2020-10-27 02:29:05,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:29:05,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:29:05,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:29:05,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:29:05,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:29:01" (1/3) ... [2020-10-27 02:29:05,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30547b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:29:05, skipping insertion in model container [2020-10-27 02:29:05,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:29:02" (2/3) ... [2020-10-27 02:29:05,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30547b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:29:05, skipping insertion in model container [2020-10-27 02:29:05,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:29:05" (3/3) ... [2020-10-27 02:29:05,308 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product31.cil.c [2020-10-27 02:29:05,320 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:29:05,326 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:29:05,340 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:29:05,381 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:29:05,381 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:29:05,381 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:29:05,382 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:29:05,382 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:29:05,382 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:29:05,382 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:29:05,382 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:29:05,418 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states. [2020-10-27 02:29:05,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 02:29:05,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:29:05,449 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:29:05,450 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:29:05,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:29:05,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1335310669, now seen corresponding path program 1 times [2020-10-27 02:29:05,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:29:05,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1886157731] [2020-10-27 02:29:05,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:29:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:06,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:06,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:06,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:07,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:09,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:11,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:11,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-27 02:29:11,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:29:11,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-27 02:29:11,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:11,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:29:11,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:29:11,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 02:29:11,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:29:12,267 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:29:12,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:29:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:12,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:12,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:12,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:12,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:12,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-27 02:29:12,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:29:12,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:12,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:29:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:12,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:12,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:12,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:29:12,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:12,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:29:12,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:12,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:29:12,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:12,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:29:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:12,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:12,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:12,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:29:12,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:12,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:29:12,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:12,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:29:12,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:12,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:29:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:12,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:12,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:12,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:12,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:12,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:29:12,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:29:12,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:12,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:29:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:12,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:12,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:12,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:29:12,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:12,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:29:12,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:29:12,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:29:12,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:29:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:12,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:12,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:12,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:12,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:12,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:29:12,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:12,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:12,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:12,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:29:12,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:12,874 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:29:12,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:29:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:12,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:12,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:12,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:13,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:13,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:13,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:17,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:17,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 02:29:17,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:29:17,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 02:29:17,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:17,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:29:17,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:29:17,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:29:17,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:18,073 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:29:18,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:29:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:18,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:18,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:18,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:18,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:18,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:18,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:29:18,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:29:18,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 677 [2020-10-27 02:29:18,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:29:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:29:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:29:18,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 02:29:18,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:18,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:18,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:18,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:29:18,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:18,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:29:18,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:29:18,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:29:18,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:29:18,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:18,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:29:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:18,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:18,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:18,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:18,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:29:18,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:29:18,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 02:29:18,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:18,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:29:18,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:29:18,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:29:18,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:18,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:29:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:18,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:18,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:18,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:29:18,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:18,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:29:18,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:18,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:18,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:18,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:29:18,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:18,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:29:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:18,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:19,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:19,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:20,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:20,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:22,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:22,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 02:29:22,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:29:22,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3830 [2020-10-27 02:29:22,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:22,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:29:22,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 02:29:22,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:29:22,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:22,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:22,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:22,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:23,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:25,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:25,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 02:29:25,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:29:25,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2278 [2020-10-27 02:29:25,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:25,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:29:25,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:29:25,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:29:25,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:29:25,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:25,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:25,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:25,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:29:25,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:25,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 02:29:25,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:29:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 02:29:25,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:25,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:25,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:25,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:25,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:29:25,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:25,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:29:25,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:29:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:25,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:29:25,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:25,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:25,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:25,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:25,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:29:25,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:25,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:29:25,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:25,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:29:25,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:25,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:29:25,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:25,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:29:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:25,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:25,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:25,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:25,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:25,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:29:25,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:25,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:29:25,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:25,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:29:25,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:25,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:29:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:25,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:25,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:25,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:29:25,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:25,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:29:25,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:29:25,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:25,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:25,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:25,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:25,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:29:25,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:25,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:29:25,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:25,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:25,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:25,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:25,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:25,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:25,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:25,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:25,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:29:25,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:25,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:29:25,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:25,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:25,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:25,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:25,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:25,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:29:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:25,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:25,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:25,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:25,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:25,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:29:25,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:25,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:25,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:25,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:25,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:25,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 02:29:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:25,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:25,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:25,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:29:25,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:25,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:29:25,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:25,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:29:25,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:29:25,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:29:25,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:25,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:29:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:25,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:25,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:25,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:25,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:29:25,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:29:25,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 02:29:25,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:25,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:29:25,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:29:25,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:29:25,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:25,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:25,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:25,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:25,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:25,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:25,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:29:25,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:25,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:25,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:25,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:29:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:25,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:25,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:25,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:29:25,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:25,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:29:25,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:25,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:29:25,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:25,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:29:25,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:29:25,998 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 02:29:25,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1886157731] [2020-10-27 02:29:26,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:29:26,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 02:29:26,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268703802] [2020-10-27 02:29:26,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 02:29:26,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:29:26,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 02:29:26,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2020-10-27 02:29:26,020 INFO L87 Difference]: Start difference. First operand 812 states. Second operand 25 states. [2020-10-27 02:29:28,535 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:29:29,346 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:29:30,760 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:29:32,063 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:29:33,663 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:29:37,345 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:29:38,632 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:29:40,328 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:29:41,804 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:29:42,178 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:29:47,774 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:29:50,272 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:29:53,057 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 421 DAG size of output: 416 [2020-10-27 02:29:53,652 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 02:29:55,423 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-27 02:29:56,814 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:29:59,837 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:30:02,912 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 02:30:04,274 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:30:05,031 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 02:30:07,157 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:30:08,848 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:30:10,546 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:30:12,066 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:30:13,429 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:30:14,166 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:30:14,586 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 02:30:14,855 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 02:30:17,515 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:30:18,946 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:30:20,670 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-27 02:30:26,707 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 02:30:27,513 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 02:30:27,759 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:30:28,184 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:30:30,011 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:30:38,934 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 421 DAG size of output: 416 [2020-10-27 02:30:45,027 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:30:46,282 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:30:46,593 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:30:46,887 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:30:49,034 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:31:03,463 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:31:04,070 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:31:04,724 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:31:05,148 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:31:24,302 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:31:25,657 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:31:26,080 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 02:31:28,400 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:31:42,821 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 02:32:10,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:32:10,014 INFO L93 Difference]: Finished difference Result 4088 states and 7736 transitions. [2020-10-27 02:32:10,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2020-10-27 02:32:10,017 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 136 [2020-10-27 02:32:10,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:32:10,103 INFO L225 Difference]: With dead ends: 4088 [2020-10-27 02:32:10,103 INFO L226 Difference]: Without dead ends: 3339 [2020-10-27 02:32:10,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4098 ImplicationChecksByTransitivity, 49.6s TimeCoverageRelationStatistics Valid=1933, Invalid=10277, Unknown=0, NotChecked=0, Total=12210 [2020-10-27 02:32:10,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3339 states. [2020-10-27 02:32:10,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3339 to 1692. [2020-10-27 02:32:10,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1692 states. [2020-10-27 02:32:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1692 states and 2675 transitions. [2020-10-27 02:32:10,928 INFO L78 Accepts]: Start accepts. Automaton has 1692 states and 2675 transitions. Word has length 136 [2020-10-27 02:32:10,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:32:10,929 INFO L481 AbstractCegarLoop]: Abstraction has 1692 states and 2675 transitions. [2020-10-27 02:32:10,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 02:32:10,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2675 transitions. [2020-10-27 02:32:10,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 02:32:10,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:32:10,943 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:32:10,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:32:10,944 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:32:10,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:32:10,945 INFO L82 PathProgramCache]: Analyzing trace with hash -2031421934, now seen corresponding path program 1 times [2020-10-27 02:32:10,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:32:10,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57255134] [2020-10-27 02:32:10,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:32:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:11,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:11,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:11,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:11,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:11,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:11,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:16,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:16,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-27 02:32:16,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:32:16,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 02:32:16,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:16,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 02:32:16,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:32:16,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 02:32:16,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:17,433 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:32:17,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:32:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:17,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:17,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:17,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:32:17,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:17,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 02:32:17,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:17,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:32:17,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:17,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:32:17,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:17,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:32:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:17,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:17,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:17,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:32:17,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:17,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:32:17,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:17,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:32:17,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:17,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:32:17,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:17,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:32:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:17,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:17,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:17,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:32:17,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:17,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:32:17,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:32:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:32:17,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:17,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:32:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:17,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:17,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:17,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:32:17,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:17,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:32:17,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:17,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:32:17,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:17,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:32:17,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:17,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:32:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:17,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:17,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:17,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:32:17,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:17,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:32:17,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:32:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:17,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:32:17,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:17,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:32:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:17,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:17,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:17,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:32:17,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:17,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:32:17,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:32:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:32:17,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:17,905 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:32:17,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:32:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:17,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:17,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:17,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:18,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:22,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:22,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-27 02:32:22,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:32:22,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 02:32:22,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:32:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:32:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:32:22,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:23,089 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:32:23,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:32:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:23,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:23,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:23,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:23,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:23,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:23,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:32:23,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:32:23,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-10-27 02:32:23,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:23,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:32:23,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:32:23,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:32:23,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:23,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:23,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:23,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:23,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:32:23,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:23,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:32:23,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:23,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:32:23,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:32:23,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:32:23,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:23,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:32:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:23,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:23,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:23,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:23,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:32:23,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:32:23,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:32:23,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:23,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:32:23,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:32:23,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 02:32:23,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:23,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:32:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:23,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:23,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:23,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:32:23,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:23,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:32:23,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:23,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:32:23,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:23,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:32:23,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:23,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:32:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:23,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:23,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:23,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:26,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:26,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-27 02:32:26,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:32:26,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2857 [2020-10-27 02:32:26,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:26,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 02:32:26,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 02:32:26,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 02:32:26,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:26,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:26,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:26,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:27,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:27,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 02:32:27,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:32:27,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1423 [2020-10-27 02:32:27,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 02:32:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:32:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 02:32:27,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:28,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:28,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:28,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:28,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:32:28,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:28,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 02:32:28,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:32:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:32:28,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:28,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:28,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:28,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:28,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:32:28,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:28,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:32:28,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:28,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:32:28,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:28,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:32:28,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:28,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:28,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:28,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:28,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:32:28,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:28,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:32:28,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:28,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:32:28,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:28,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:32:28,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:28,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:32:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:28,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:28,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:28,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:32:28,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:28,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:32:28,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:28,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:32:28,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:28,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:32:28,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:32:28,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:32:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:28,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:28,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:28,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:28,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:32:28,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:32:28,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-27 02:32:28,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:28,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:32:28,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:28,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 02:32:28,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:28,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:28,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:28,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:28,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:32:28,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:28,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:32:28,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:28,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:32:28,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:28,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:32:28,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:28,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:28,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:28,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:28,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:32:28,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:28,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:32:28,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:28,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:28,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:28,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:28,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:28,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:32:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:28,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:28,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:28,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:32:28,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:28,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:32:28,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:32:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:32:28,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:28,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 02:32:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:28,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:28,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:28,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:32:28,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:28,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:32:28,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:28,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:32:28,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:32:28,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:32:28,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:28,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 02:32:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:28,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:28,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:28,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:32:28,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:28,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:32:28,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:32:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:28,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:28,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:28,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:28,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:28,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:32:28,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:28,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:32:28,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:28,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:28,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:28,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:28,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:28,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:32:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:28,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:28,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:28,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:32:28,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:28,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:32:28,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:28,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:28,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:28,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:28,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:28,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:32:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:28,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:28,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:28,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:32:28,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:28,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:32:28,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:28,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:28,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:28,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:28,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:28,953 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 02:32:28,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57255134] [2020-10-27 02:32:28,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:32:28,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-27 02:32:28,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944291914] [2020-10-27 02:32:28,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-27 02:32:28,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:32:28,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-27 02:32:28,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2020-10-27 02:32:28,958 INFO L87 Difference]: Start difference. First operand 1692 states and 2675 transitions. Second operand 26 states. [2020-10-27 02:32:31,355 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:32:32,037 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 02:32:33,534 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:32:34,877 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:32:36,441 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:32:40,316 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:32:41,657 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:32:43,320 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:32:44,906 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 419