/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_spec3_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:21:55,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:21:55,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:21:55,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:21:55,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:21:55,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:21:55,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:21:55,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:21:55,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:21:55,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:21:55,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:21:55,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:21:55,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:21:55,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:21:55,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:21:55,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:21:55,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:21:55,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:21:55,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:21:55,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:21:55,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:21:55,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:21:55,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:21:55,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:21:56,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:21:56,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:21:56,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:21:56,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:21:56,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:21:56,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:21:56,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:21:56,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:21:56,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:21:56,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:21:56,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:21:56,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:21:56,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:21:56,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:21:56,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:21:56,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:21:56,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:21:56,022 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 02:21:56,086 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:21:56,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:21:56,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:21:56,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:21:56,092 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:21:56,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:21:56,092 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:21:56,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:21:56,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:21:56,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:21:56,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:21:56,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:21:56,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:21:56,095 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:21:56,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:21:56,096 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:21:56,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:21:56,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:21:56,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:21:56,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:21:56,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:21:56,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:21:56,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:21:56,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:21:56,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:21:56,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:21:56,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:21:56,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:21:56,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:21:56,099 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:21:56,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:21:56,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:21:56,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:21:56,609 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:21:56,610 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:21:56,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product17.cil.c [2020-10-27 02:21:56,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c082c5f73/5a4ced3641274efda48a5890d044bcc2/FLAGe81a5d572 [2020-10-27 02:21:57,548 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:21:57,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product17.cil.c [2020-10-27 02:21:57,580 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c082c5f73/5a4ced3641274efda48a5890d044bcc2/FLAGe81a5d572 [2020-10-27 02:21:57,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c082c5f73/5a4ced3641274efda48a5890d044bcc2 [2020-10-27 02:21:57,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:21:57,733 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:21:57,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:21:57,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:21:57,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:21:57,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:21:57" (1/1) ... [2020-10-27 02:21:57,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15cd3e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:21:57, skipping insertion in model container [2020-10-27 02:21:57,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:21:57" (1/1) ... [2020-10-27 02:21:57,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:21:57,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:21:58,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:21:58,400 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:21:58,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:21:58,655 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:21:58,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:21:58 WrapperNode [2020-10-27 02:21:58,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:21:58,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:21:58,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:21:58,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:21:58,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:21:58" (1/1) ... [2020-10-27 02:21:58,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:21:58" (1/1) ... [2020-10-27 02:21:58,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:21:58" (1/1) ... [2020-10-27 02:21:58,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:21:58" (1/1) ... [2020-10-27 02:21:58,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:21:58" (1/1) ... [2020-10-27 02:21:58,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:21:58" (1/1) ... [2020-10-27 02:21:58,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:21:58" (1/1) ... [2020-10-27 02:21:58,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:21:58,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:21:58,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:21:58,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:21:58,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:21:58" (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 02:21:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:21:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:21:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:21:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:21:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:21:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 02:21:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-27 02:21:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:21:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:21:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:21:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:21:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:21:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:21:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:21:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:21:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:21:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:21:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:21:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:21:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:21:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:21:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:21:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:21:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:21:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:21:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:21:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:21:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:21:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:21:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:21:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:21:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:21:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:21:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:21:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:21:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:21:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:21:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:21:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:21:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:21:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:21:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:21:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:21:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:21:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:21:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:21:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:21:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:21:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:21:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:21:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:21:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:21:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:21:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:21:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:21:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:21:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:21:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:21:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:21:58,994 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:21:58,994 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:21:58,994 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:21:58,994 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:21:58,994 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:21:58,995 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:21:58,995 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:21:58,995 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:21:58,995 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:21:58,995 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:21:58,995 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:21:58,996 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:21:58,996 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:21:58,998 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:21:58,998 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:21:58,998 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:21:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:21:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:21:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:21:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:21:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:21:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:21:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:21:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:21:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:21:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:21:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:21:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:21:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 02:21:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-27 02:21:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:21:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:21:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:21:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:21:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:21:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:21:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:21:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:21:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:21:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:21:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:21:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:21:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:21:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:21:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:21:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:21:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:21:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:21:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:21:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:21:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:21:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:21:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:21:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:21:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:21:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:21:59,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:21:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:21:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:21:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:21:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:21:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:21:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:21:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:21:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:21:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:21:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:21:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:21:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:21:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:21:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:21:59,010 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:21:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:21:59,013 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:21:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:21:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:21:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:21:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:21:59,015 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:21:59,015 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:21:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:21:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:21:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:21:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:21:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:21:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:21:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:21:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:21:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:21:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:21:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:21:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:21:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:21:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:21:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:21:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:21:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:21:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:21:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:21:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:21:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:21:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:22:01,720 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:22:01,720 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:22:01,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:22:01 BoogieIcfgContainer [2020-10-27 02:22:01,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:22:01,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:22:01,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:22:01,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:22:01,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:21:57" (1/3) ... [2020-10-27 02:22:01,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325583fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:22:01, skipping insertion in model container [2020-10-27 02:22:01,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:21:58" (2/3) ... [2020-10-27 02:22:01,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325583fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:22:01, skipping insertion in model container [2020-10-27 02:22:01,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:22:01" (3/3) ... [2020-10-27 02:22:01,737 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product17.cil.c [2020-10-27 02:22:01,750 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:22:01,756 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:22:01,771 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:22:01,822 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:22:01,822 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:22:01,822 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:22:01,822 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:22:01,823 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:22:01,823 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:22:01,823 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:22:01,823 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:22:01,877 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states. [2020-10-27 02:22:01,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-27 02:22:01,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:22:01,919 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 02:22:01,919 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 02:22:01,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:22:01,928 INFO L82 PathProgramCache]: Analyzing trace with hash 552321574, now seen corresponding path program 1 times [2020-10-27 02:22:01,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:22:01,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1326064510] [2020-10-27 02:22:01,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:22:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:02,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:03,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:03,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:04,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:05,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:06,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:06,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:06,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:07,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:07,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-27 02:22:07,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:22:07,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-27 02:22:07,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 02:22:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 02:22:07,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 02:22:07,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:22:08,916 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 394 [2020-10-27 02:22:08,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:22:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:08,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:09,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:09,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:22:09,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:09,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 02:22:09,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:09,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:09,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:09,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:09,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:09,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:22:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:09,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:09,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:09,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:22:09,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:09,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:22:09,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:09,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:09,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:09,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:09,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:09,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:22:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:09,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:09,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:09,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:22:09,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:09,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:22:09,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:09,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:09,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:09,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:09,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:09,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:22:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:09,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:09,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:09,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:22:09,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:09,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:22:09,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:09,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:09,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:09,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:09,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 02:22:09,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:22:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:09,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:09,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:09,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:22:09,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:09,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:22:09,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:09,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:09,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:09,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:09,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:22:09,357 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:22:09,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:22:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:09,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:09,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:09,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:22:09,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:09,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 02:22:09,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:09,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:22:09,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:22:09,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:09,584 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:22:09,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:22:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:09,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:09,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:09,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:22:09,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:09,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 02:22:09,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:22:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:22:09,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:09,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:22:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:09,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:09,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:09,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:10,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:10,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:22:10,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:22:10,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 566 [2020-10-27 02:22:10,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:10,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:22:10,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:10,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:22:10,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:22:10,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:22:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:10,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:10,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:10,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:22:10,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:10,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:22:10,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:10,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:10,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:10,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:10,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:10,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:22:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:10,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:10,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:10,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:22:10,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:10,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:22:10,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:10,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:10,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:22:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:10,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:10,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:10,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:22:10,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:10,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:22:10,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:10,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:10,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:22:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:10,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:10,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:10,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:10,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:10,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:10,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:22:10,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:22:10,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-27 02:22:10,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:10,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:22:10,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:22:10,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 02:22:10,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:10,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:22:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:10,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:10,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:10,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:22:10,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:10,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:22:10,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:10,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:22:10,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:10,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:22:10,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:10,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:22:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:10,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:10,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:10,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:22:10,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:10,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:22:10,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:10,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:22:10,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:10,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:22:10,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-27 02:22:10,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:22:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:10,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:10,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:10,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:22:10,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:10,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:22:10,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:10,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:10,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:22:10,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:10,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:22:10,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:22:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:10,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:10,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:10,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:22:10,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:10,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:22:10,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:10,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:10,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:10,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:10,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:10,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 02:22:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:10,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:10,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:10,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:22:10,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:10,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:22:10,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:10,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:10,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:22:10,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:10,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:10,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 02:22:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:10,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:10,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:10,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:22:10,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:10,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:22:10,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:10,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:10,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:22:10,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:10,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:10,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 02:22:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:10,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:10,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:10,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:22:10,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:10,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:22:10,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:10,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:10,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:22:10,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:10,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:10,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 02:22:10,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1326064510] [2020-10-27 02:22:10,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:22:10,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 02:22:10,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532173437] [2020-10-27 02:22:10,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 02:22:10,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:22:10,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 02:22:10,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-27 02:22:10,749 INFO L87 Difference]: Start difference. First operand 766 states. Second operand 13 states. [2020-10-27 02:22:13,627 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:22:14,445 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:22:15,566 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:22:17,611 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 02:22:18,758 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:22:19,047 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-27 02:22:19,288 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-27 02:22:21,244 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:22:22,459 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:22:23,058 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:22:23,750 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:22:26,259 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:22:26,539 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 02:22:26,785 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 02:22:27,398 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-27 02:22:28,195 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 02:22:30,237 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:22:30,894 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:22:31,138 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:22:32,003 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:22:34,187 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:22:34,541 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:22:36,863 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:22:37,211 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-27 02:22:39,236 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:22:43,741 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:22:44,098 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:23:38,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:23:38,512 INFO L93 Difference]: Finished difference Result 3300 states and 6116 transitions. [2020-10-27 02:23:38,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-27 02:23:38,514 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 116 [2020-10-27 02:23:38,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:23:38,586 INFO L225 Difference]: With dead ends: 3300 [2020-10-27 02:23:38,586 INFO L226 Difference]: Without dead ends: 2644 [2020-10-27 02:23:38,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 890 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=564, Invalid=2298, Unknown=0, NotChecked=0, Total=2862 [2020-10-27 02:23:38,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2644 states. [2020-10-27 02:23:39,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2644 to 1628. [2020-10-27 02:23:39,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1628 states. [2020-10-27 02:23:39,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1628 states and 2631 transitions. [2020-10-27 02:23:39,364 INFO L78 Accepts]: Start accepts. Automaton has 1628 states and 2631 transitions. Word has length 116 [2020-10-27 02:23:39,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:23:39,366 INFO L481 AbstractCegarLoop]: Abstraction has 1628 states and 2631 transitions. [2020-10-27 02:23:39,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 02:23:39,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2631 transitions. [2020-10-27 02:23:39,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-27 02:23:39,375 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:23:39,376 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 02:23:39,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:23:39,376 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 02:23:39,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:23:39,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1719874852, now seen corresponding path program 1 times [2020-10-27 02:23:39,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:23:39,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633866634] [2020-10-27 02:23:39,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:23:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:39,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:39,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:39,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:39,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:41,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:41,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:41,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:44,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:44,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-27 02:23:44,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:23:44,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-10-27 02:23:44,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:44,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 02:23:44,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 02:23:44,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 02:23:44,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:23:45,650 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 394 [2020-10-27 02:23:45,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:23:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:45,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:45,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:45,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:45,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:45,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 02:23:45,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:45,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:45,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:45,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:23:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:45,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:45,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:45,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:45,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:45,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:45,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:45,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:45,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:45,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:45,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:45,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:23:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:45,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:45,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:45,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:45,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:45,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:23:45,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:45,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:45,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:45,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:45,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:23:45,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:23:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:45,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:45,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:45,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:45,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:45,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:45,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:45,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:45,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:45,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:45,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:45,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:23:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:45,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:45,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:45,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:45,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:45,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:45,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:45,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:45,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:45,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:45,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:45,975 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:23:45,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:23:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:45,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:46,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:23:46,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 02:23:46,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:23:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:46,154 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:23:46,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:46,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:46,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:46,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:46,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:23:46,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:46,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:46,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:46,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:23:46,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:46,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:23:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:46,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:46,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:23:46,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:23:46,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 510 [2020-10-27 02:23:46,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:46,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:46,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:46,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:23:46,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:46,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:46,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:46,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:46,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:46,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:46,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:46,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:46,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:46,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:46,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:23:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:46,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:46,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:23:46,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:46,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:23:46,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:46,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:46,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:46,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:46,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:46,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:23:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:46,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:46,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:46,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:46,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:46,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:46,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:46,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:46,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:46,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:46,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:23:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:46,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:46,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:23:46,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:46,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:23:46,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:46,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:23:46,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 02:23:46,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:23:46,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:46,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:46,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:46,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:46,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:46,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:46,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:46,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:46,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:46,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:46,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:46,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:23:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:46,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:46,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:46,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:46,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:46,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:23:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:23:46,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:46,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:23:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:46,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:46,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:23:46,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:46,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:23:46,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:23:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:46,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:46,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:46,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:46,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:46,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:46,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:46,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:46,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:46,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 02:23:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:46,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:46,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:23:46,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:46,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:23:46,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:23:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:46,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:46,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:23:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:46,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:46,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:46,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:46,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:46,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:46,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:46,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:46,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 02:23:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:46,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:46,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:23:46,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:23:46,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:23:46,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:46,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:46,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 02:23:46,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 02:23:46,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:46,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 02:23:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:46,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:46,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:46,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:46,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:46,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:46,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:46,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:46,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:23:46,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:46,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 02:23:47,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633866634] [2020-10-27 02:23:47,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:23:47,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 02:23:47,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38532163] [2020-10-27 02:23:47,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 02:23:47,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:23:47,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 02:23:47,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 02:23:47,071 INFO L87 Difference]: Start difference. First operand 1628 states and 2631 transitions. Second operand 14 states. [2020-10-27 02:23:49,087 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:23:49,634 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:23:50,766 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:23:52,471 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 02:23:53,758 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:23:54,033 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-27 02:23:54,296 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-27 02:23:55,896 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:23:56,488 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:23:56,839 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:23:57,012 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:23:57,971 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 02:23:59,320 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-27 02:23:59,859 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:24:00,536 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:24:00,716 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:24:01,834 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:24:03,662 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:24:04,127 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:24:04,616 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 02:24:04,961 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:24:05,242 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:24:06,778 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:24:08,664 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:24:10,467 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-27 02:24:10,741 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-27 02:24:12,258 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:24:14,159 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:24:16,700 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:24:19,144 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:24:21,312 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:25:04,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:25:04,822 INFO L93 Difference]: Finished difference Result 8414 states and 15555 transitions. [2020-10-27 02:25:04,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-27 02:25:04,822 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 121 [2020-10-27 02:25:04,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:25:04,890 INFO L225 Difference]: With dead ends: 8414 [2020-10-27 02:25:04,890 INFO L226 Difference]: Without dead ends: 6820 [2020-10-27 02:25:04,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1172 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=680, Invalid=2980, Unknown=0, NotChecked=0, Total=3660 [2020-10-27 02:25:04,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6820 states. [2020-10-27 02:25:06,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6820 to 4178. [2020-10-27 02:25:06,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4178 states. [2020-10-27 02:25:06,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4178 states to 4178 states and 6822 transitions. [2020-10-27 02:25:06,171 INFO L78 Accepts]: Start accepts. Automaton has 4178 states and 6822 transitions. Word has length 121 [2020-10-27 02:25:06,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:25:06,172 INFO L481 AbstractCegarLoop]: Abstraction has 4178 states and 6822 transitions. [2020-10-27 02:25:06,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 02:25:06,172 INFO L276 IsEmpty]: Start isEmpty. Operand 4178 states and 6822 transitions. [2020-10-27 02:25:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-27 02:25:06,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:25:06,176 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 02:25:06,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:25:06,176 INFO L429 AbstractCegarLoop]: === Iteration 3 === [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 02:25:06,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:25:06,177 INFO L82 PathProgramCache]: Analyzing trace with hash -380227323, now seen corresponding path program 1 times [2020-10-27 02:25:06,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:25:06,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85653343] [2020-10-27 02:25:06,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:25:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:06,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:06,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:06,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:07,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:07,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:08,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:10,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:11,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:11,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 02:25:11,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:25:11,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-10-27 02:25:11,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:11,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:25:11,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 02:25:11,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 02:25:11,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:12,463 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 394 [2020-10-27 02:25:12,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:25:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:12,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:12,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:12,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:12,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:12,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 02:25:12,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:12,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:12,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:12,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:12,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:25:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:12,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:12,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:12,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:12,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:12,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:25:12,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:12,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:12,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:25:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:12,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:12,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:12,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:12,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:12,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:25:12,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:12,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:12,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:12,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:12,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:12,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:25:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:12,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:12,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:12,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:12,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:12,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:12,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:12,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:12,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:12,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:12,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:12,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:25:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:12,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:12,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:12,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:12,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:12,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:25:12,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:12,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:12,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:12,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:12,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:12,763 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:25:12,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:25:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:12,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:12,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:12,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:25:12,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:12,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 02:25:12,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:12,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:12,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:12,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:25:12,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:12,944 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:25:12,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:12,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:12,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:12,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:12,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:12,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:25:12,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:12,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:12,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:12,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:25:12,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:12,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:25:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:12,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:13,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:13,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:13,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:13,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:25:13,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:25:13,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 385 [2020-10-27 02:25:13,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:13,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:25:13,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:13,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:13,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:13,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:13,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:13,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:13,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:13,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:13,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:13,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:13,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:13,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:13,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:25:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:13,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:13,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:13,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:25:13,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:13,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:25:13,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:13,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:13,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:13,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:13,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:13,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:25:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:13,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:13,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:13,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:13,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:13,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:13,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:13,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:13,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:13,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:13,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:13,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:25:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:13,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:13,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:13,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:25:13,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:13,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:25:13,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 02:25:13,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:13,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:13,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:13,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:13,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:13,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:13,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:13,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:13,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:13,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:13,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:13,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:13,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:25:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:13,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:13,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:13,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:13,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:13,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:25:13,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:13,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:13,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:25:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:13,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:13,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:13,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:13,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:13,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:13,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:13,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:13,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:13,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:13,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:13,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 02:25:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:13,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:13,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:13,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:25:13,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:13,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:25:13,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:13,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:25:13,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:25:13,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:25:13,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:13,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:13,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:13,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:13,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:13,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:13,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:25:13,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:13,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:25:13,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:13,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:25:13,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:13,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 02:25:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:13,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:13,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:13,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:25:13,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:13,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:25:13,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:13,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:13,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:25:13,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:13,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:13,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:25:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:13,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:13,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:13,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:13,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:13,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:13,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:13,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:13,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:13,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:13,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:13,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 02:25:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:13,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:13,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:13,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:25:13,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:13,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:25:13,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:25:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:13,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:13,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 02:25:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:13,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:13,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:13,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:13,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:13,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:25:13,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:25:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:13,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 02:25:13,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85653343] [2020-10-27 02:25:13,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:25:13,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 02:25:13,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437045219] [2020-10-27 02:25:13,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 02:25:13,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:25:13,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 02:25:13,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-27 02:25:13,703 INFO L87 Difference]: Start difference. First operand 4178 states and 6822 transitions. Second operand 12 states. [2020-10-27 02:25:15,342 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:25:15,781 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:25:16,880 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:25:18,396 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 02:25:19,864 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:25:20,996 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 401 [2020-10-27 02:25:22,702 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:25:23,332 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:25:24,327 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:25:25,302 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:25:27,949 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-27 02:25:29,092 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:25:29,491 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 02:25:30,678 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:25:32,103 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-27 02:25:33,350 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:25:33,638 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:25:34,990 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-27 02:25:35,359 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:25:36,901 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:25:37,147 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:25:39,744 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:25:40,304 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:25:43,536 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:25:46,977 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:25:47,314 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 148