/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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:28:24,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:28:24,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:28:24,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:28:24,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:28:24,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:28:24,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:28:24,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:28:24,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:28:24,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:28:24,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:28:24,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:28:24,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:28:24,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:28:24,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:28:24,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:28:24,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:28:24,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:28:24,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:28:24,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:28:24,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:28:24,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:28:24,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:28:24,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:28:24,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:28:24,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:28:24,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:28:24,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:28:24,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:28:24,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:28:24,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:28:24,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:28:24,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:28:24,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:28:24,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:28:24,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:28:24,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:28:24,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:28:24,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:28:24,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:28:24,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:28:24,959 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 02:28:25,015 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:28:25,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:28:25,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:28:25,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:28:25,021 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:28:25,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:28:25,022 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:28:25,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:28:25,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:28:25,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:28:25,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:28:25,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:28:25,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:28:25,023 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:28:25,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:28:25,024 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:28:25,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:28:25,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:28:25,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:28:25,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:28:25,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:28:25,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:28:25,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:28:25,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:28:25,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:28:25,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:28:25,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:28:25,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:28:25,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:28:25,028 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:28:25,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:28:25,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:28:25,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:28:25,459 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:28:25,460 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:28:25,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product28.cil.c [2020-10-27 02:28:25,547 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/870a5fced/cb5ebdb0e9504b55873c0767c8406157/FLAGefad91a71 [2020-10-27 02:28:26,450 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:28:26,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec9_product28.cil.c [2020-10-27 02:28:26,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/870a5fced/cb5ebdb0e9504b55873c0767c8406157/FLAGefad91a71 [2020-10-27 02:28:26,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/870a5fced/cb5ebdb0e9504b55873c0767c8406157 [2020-10-27 02:28:26,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:28:26,646 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:28:26,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:28:26,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:28:26,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:28:26,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:28:26" (1/1) ... [2020-10-27 02:28:26,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@abc06e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:26, skipping insertion in model container [2020-10-27 02:28:26,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:28:26" (1/1) ... [2020-10-27 02:28:26,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:28:26,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:28:27,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:28:27,331 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:28:27,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:28:27,576 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:28:27,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:27 WrapperNode [2020-10-27 02:28:27,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:28:27,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:28:27,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:28:27,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:28:27,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:27" (1/1) ... [2020-10-27 02:28:27,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:27" (1/1) ... [2020-10-27 02:28:27,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:27" (1/1) ... [2020-10-27 02:28:27,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:27" (1/1) ... [2020-10-27 02:28:27,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:27" (1/1) ... [2020-10-27 02:28:27,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:27" (1/1) ... [2020-10-27 02:28:27,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:27" (1/1) ... [2020-10-27 02:28:27,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:28:27,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:28:27,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:28:27,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:28:27,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:27" (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 02:28:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:28:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:28:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:28:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:28:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:28:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:28:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:28:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:28:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:28:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:28:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:28:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:28:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:28:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:28:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:28:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:28:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:28:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:28:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:28:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:28:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:28:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:28:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:28:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:28:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:28:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 02:28:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:28:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:28:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:28:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:28:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:28:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:28:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:28:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:28:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:28:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:28:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:28:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:28:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:28:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:28:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:28:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:28:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:28:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:28:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 02:28:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:28:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 02:28:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:28:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:28:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:28:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:28:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:28:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:28:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:28:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:28:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:28:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:28:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2020-10-27 02:28:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2020-10-27 02:28:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2020-10-27 02:28:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2020-10-27 02:28:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:28:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:28:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:28:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:28:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:28:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:28:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:28:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:28:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:28:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:28:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:28:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:28:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:28:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:28:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:28:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:28:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:28:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:28:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:28:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:28:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:28:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:28:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:28:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:28:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:28:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:28:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:28:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:28:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:28:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:28:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:28:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:28:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:28:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:28:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:28:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:28:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:28:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:28:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:28:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:28:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:28:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:28:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:28:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:28:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:28:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:28:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:28:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:28:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:28:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:28:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:28:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:28:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:28:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:28:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:28:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:28:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:28:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:28:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 02:28:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:28:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2020-10-27 02:28:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:28:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:28:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:28:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:28:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:28:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:28:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:28:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:28:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:28:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:28:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:28:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 02:28:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2020-10-27 02:28:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 02:28:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:28:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:28:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:28:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:28:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:28:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:28:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:28:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:28:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:28:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:28:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:28:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:28:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:28:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:28:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:28:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:28:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:28:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2020-10-27 02:28:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2020-10-27 02:28:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:28:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:28:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:28:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:28:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:28:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:28:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:28:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:28:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:28:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:28:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:28:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:28:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:28:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:28:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:28:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:28:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:28:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:28:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:28:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:28:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:28:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:28:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:28:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:28:30,773 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:28:30,773 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:28:30,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:28:30 BoogieIcfgContainer [2020-10-27 02:28:30,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:28:30,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:28:30,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:28:30,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:28:30,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:28:26" (1/3) ... [2020-10-27 02:28:30,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b0ded5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:28:30, skipping insertion in model container [2020-10-27 02:28:30,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:27" (2/3) ... [2020-10-27 02:28:30,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b0ded5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:28:30, skipping insertion in model container [2020-10-27 02:28:30,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:28:30" (3/3) ... [2020-10-27 02:28:30,790 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product28.cil.c [2020-10-27 02:28:30,803 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:28:30,810 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:28:30,826 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:28:30,865 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:28:30,866 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:28:30,866 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:28:30,866 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:28:30,866 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:28:30,866 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:28:30,866 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:28:30,866 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:28:30,903 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states. [2020-10-27 02:28:30,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-27 02:28:30,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:28:30,923 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:28:30,926 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 02:28:30,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:28:30,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1903177087, now seen corresponding path program 1 times [2020-10-27 02:28:30,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:28:30,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1766751038] [2020-10-27 02:28:30,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:28:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:31,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:31,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:31,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:32,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:32,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:34,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:36,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:36,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 02:28:36,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:28:36,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5070 [2020-10-27 02:28:36,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:36,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 02:28:36,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:28:36,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 02:28:36,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:28:37,842 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:28:37,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:28:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:37,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:38,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:38,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:38,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:38,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-10-27 02:28:38,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:38,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:38,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:38,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:28:38,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:38,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:28:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:38,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:38,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:38,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:28:38,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:38,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:28:38,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:38,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:38,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:38,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:38,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:38,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:28:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:38,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:38,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:38,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:28:38,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:38,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:28:38,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:38,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:38,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:28:38,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:28:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:38,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:38,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:38,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:38,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:38,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:28:38,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:38,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:38,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:38,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:38,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:38,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:28:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:38,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:38,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:38,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:28:38,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:38,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:28:38,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:38,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:38,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:38,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:28:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:38,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:38,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:38,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:38,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:38,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:28:38,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:38,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:38,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:38,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:38,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:38,597 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:28:38,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:28:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:38,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:38,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:38,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:38,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:39,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:42,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:42,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:43,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:43,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 02:28:43,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:28:43,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 02:28:43,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:43,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:28:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:28:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 02:28:43,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:43,884 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:28:43,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:28:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:43,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:43,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:43,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:43,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:44,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:44,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:44,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:28:44,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:28:44,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 856 [2020-10-27 02:28:44,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:44,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:44,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:44,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:28:44,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:44,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:44,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:44,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:44,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:44,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:44,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:28:44,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:28:44,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:44,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:44,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:44,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:44,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:44,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:28:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:44,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:44,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:44,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:44,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:28:44,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:28:44,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 02:28:44,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:44,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:44,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:44,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:44,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:44,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:28:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:44,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:44,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:44,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:44,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:44,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:28:44,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:44,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:44,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:44,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:28:44,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:28:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:44,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:44,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:45,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:45,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:45,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 02:28:45,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:28:45,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 368 [2020-10-27 02:28:45,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:45,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:28:45,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:28:45,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 02:28:45,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:28:45,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:45,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:45,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:45,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:45,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 02:28:45,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:28:45,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-27 02:28:45,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:45,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:28:45,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:28:45,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 02:28:45,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:28:45,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:45,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:45,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:45,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:45,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:45,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:28:45,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:45,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:45,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:45,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:45,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:45,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:28:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:45,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:45,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:45,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:45,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:28:45,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:28:45,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 02:28:45,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:45,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:45,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:45,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:28:45,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:45,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:45,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:45,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:45,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:45,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:45,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:45,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:45,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:45,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:45,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:28:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:45,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:45,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:45,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:45,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:45,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:45,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:45,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:45,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:45,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 02:28:45,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1766751038] [2020-10-27 02:28:45,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:28:45,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 02:28:45,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575255533] [2020-10-27 02:28:45,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 02:28:45,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:28:45,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 02:28:45,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 02:28:45,794 INFO L87 Difference]: Start difference. First operand 797 states. Second operand 10 states. [2020-10-27 02:28:47,841 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:28:48,481 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:28:50,139 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:28:52,654 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:28:54,309 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:28:57,701 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:29:13,242 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:29:14,463 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:29:14,872 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:29:26,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:29:26,119 INFO L93 Difference]: Finished difference Result 2507 states and 4409 transitions. [2020-10-27 02:29:26,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 02:29:26,121 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-10-27 02:29:26,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:29:26,182 INFO L225 Difference]: With dead ends: 2507 [2020-10-27 02:29:26,182 INFO L226 Difference]: Without dead ends: 1918 [2020-10-27 02:29:26,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=208, Invalid=494, Unknown=0, NotChecked=0, Total=702 [2020-10-27 02:29:26,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1918 states. [2020-10-27 02:29:26,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1918 to 1138. [2020-10-27 02:29:26,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2020-10-27 02:29:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1833 transitions. [2020-10-27 02:29:26,768 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1833 transitions. Word has length 88 [2020-10-27 02:29:26,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:29:26,770 INFO L481 AbstractCegarLoop]: Abstraction has 1138 states and 1833 transitions. [2020-10-27 02:29:26,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 02:29:26,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1833 transitions. [2020-10-27 02:29:26,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 02:29:26,797 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:29:26,798 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:29:26,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:29:26,798 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 02:29:26,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:29:26,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1328084659, now seen corresponding path program 1 times [2020-10-27 02:29:26,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:29:26,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [835670253] [2020-10-27 02:29:26,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:29:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:26,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:27,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:27,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:27,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:30,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:31,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:31,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:31,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-27 02:29:31,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:29:31,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-10-27 02:29:31,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:31,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:29:31,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:29:31,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 02:29:31,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:33,220 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:29:33,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:29:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:33,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:33,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:33,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:33,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:33,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 02:29:33,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:33,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:33,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:33,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:29:33,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:29:33,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:29:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:33,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:33,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:33,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:29:33,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:33,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:29:33,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:33,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:33,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:33,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:29:33,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:33,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:29:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:33,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:33,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:33,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:29:33,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:33,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:29:33,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:33,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:33,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:29:33,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:33,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:29:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:33,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:33,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:33,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:33,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:33,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:29:33,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:33,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:33,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:33,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:29:33,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:33,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:29:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:33,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:33,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:33,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:29:33,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:33,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:29:33,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:33,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:33,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:33,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:29:33,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:33,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:29:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:33,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:33,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:33,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:33,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:33,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:29:33,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:33,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:33,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:33,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:29:33,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:33,821 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:29:33,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:29:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:33,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:33,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:33,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:33,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:34,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:34,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:38,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:38,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 02:29:38,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:29:38,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 02:29:38,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:38,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:29:38,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:29:38,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:29:38,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:39,027 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:29:39,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:29:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:39,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:39,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:39,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:39,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:39,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:39,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:29:39,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:29:39,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 647 [2020-10-27 02:29:39,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:39,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:29:39,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:29:39,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:29:39,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:39,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:39,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:39,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:39,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:29:39,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:39,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:29:39,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:39,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:29:39,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:29:39,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:29:39,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:39,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:29:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:39,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:39,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:39,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:39,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:29:39,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:29:39,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 02:29:39,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:39,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:29:39,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:29:39,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:29:39,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:29:39,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:29:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:39,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:39,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:39,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:29:39,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:39,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:29:39,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:29:39,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:39,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:29:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:39,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:39,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:39,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:39,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:40,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:44,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:44,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-27 02:29:44,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:29:44,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 02:29:44,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:44,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:29:44,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:29:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:29:44,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:44,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:44,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:44,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:44,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:45,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-27 02:29:49,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:29:49,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4189 [2020-10-27 02:29:49,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:29:49,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 02:29:49,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:29:49,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:49,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:49,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:49,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:29:49,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:49,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:49,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:49,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,458 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:29:49,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:29:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:49,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:50,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:50,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 02:29:50,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:29:50,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 688 [2020-10-27 02:29:50,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:50,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:29:50,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:29:50,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:29:50,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:50,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:50,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:50,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:50,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:29:50,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:50,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 02:29:50,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:50,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:29:50,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:50,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 02:29:50,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:50,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:50,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:50,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:50,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:29:50,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:50,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:29:50,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:50,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:29:50,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:50,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:29:50,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:50,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:50,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:50,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:50,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:29:50,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:50,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:29:50,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:50,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:29:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:29:50,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:50,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:29:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:50,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:50,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:50,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:50,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:50,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:29:50,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:50,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:29:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:29:50,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:50,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:29:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:50,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:50,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:50,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:29:50,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:50,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:29:50,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:50,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:29:50,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:29:50,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:50,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:50,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:50,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:29:50,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:50,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:29:50,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:50,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:50,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:50,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:50,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:50,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:50,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:50,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:50,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:29:50,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:50,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:29:50,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:50,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:50,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:50,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:50,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:29:50,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:29:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:50,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:50,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:50,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:50,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:50,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:29:50,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:50,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:50,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 02:29:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:50,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:50,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:50,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:50,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:29:50,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:29:50,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:29:50,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:29:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:29:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:29:50,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:50,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 02:29:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:50,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:50,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:50,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:50,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:29:50,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:29:50,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 02:29:50,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:50,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:29:50,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:29:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:29:50,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:50,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:50,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:50,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:50,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:50,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:50,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:29:50,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:50,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:50,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:50,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:50,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:50,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:29:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:50,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:50,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:50,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:29:50,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:50,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:29:50,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:50,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:29:50,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:50,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:29:50,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:51,048 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 02:29:51,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [835670253] [2020-10-27 02:29:51,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:29:51,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-27 02:29:51,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337702136] [2020-10-27 02:29:51,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-27 02:29:51,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:29:51,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-27 02:29:51,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2020-10-27 02:29:51,054 INFO L87 Difference]: Start difference. First operand 1138 states and 1833 transitions. Second operand 26 states. [2020-10-27 02:29:56,782 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:29:57,397 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:29:58,895 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:30:00,314 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:30:01,934 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:30:04,368 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:30:05,802 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:30:07,123 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 02:30:08,791 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:30:09,234 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:30:14,502 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:30:16,496 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:30:17,195 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 02:30:19,017 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:30:20,434 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 428 [2020-10-27 02:30:23,354 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:30:26,081 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:30:27,408 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:30:28,077 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:30:30,133 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:30:31,544 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:30:33,288 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:30:34,688 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:30:36,043 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:30:36,477 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:30:36,787 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:30:37,077 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:30:39,399 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:30:40,752 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 429 [2020-10-27 02:30:42,309 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 02:30:46,955 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 02:30:47,923 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:30:48,145 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:30:48,699 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:30:50,084 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 02:30:50,987 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:30:54,173 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:30:55,460 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:30:55,764 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:30:57,511 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:31:01,302 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 02:31:12,269 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:31:20,056 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:31:22,227 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:31:22,727 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:31:31,746 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:31:33,060 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:31:33,604 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 02:31:35,879 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:31:41,565 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-27 02:31:54,685 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 114