/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_spec14_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:29:20,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:29:20,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:29:20,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:29:20,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:29:20,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:29:20,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:29:20,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:29:20,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:29:20,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:29:20,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:29:20,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:29:20,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:29:20,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:29:20,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:29:20,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:29:20,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:29:20,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:29:20,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:29:20,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:29:20,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:29:20,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:29:20,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:29:20,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:29:20,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:29:20,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:29:20,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:29:20,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:29:20,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:29:20,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:29:20,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:29:20,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:29:20,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:29:20,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:29:20,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:29:20,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:29:20,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:29:20,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:29:20,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:29:20,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:29:20,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:29:20,970 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 [2020-10-28 15:29:21,018 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:29:21,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:29:21,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:29:21,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:29:21,023 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:29:21,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:29:21,024 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:29:21,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:29:21,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:29:21,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:29:21,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:29:21,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:29:21,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:29:21,026 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:29:21,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:29:21,027 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:29:21,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:29:21,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:29:21,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:29:21,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:29:21,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:29:21,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:29:21,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:29:21,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:29:21,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:29:21,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:29:21,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:29:21,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:29:21,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:29:21,029 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:29:21,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:29:21,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:29:21,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:29:21,526 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:29:21,527 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:29:21,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product32.cil.c [2020-10-28 15:29:21,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a83e91f5/8a4cf0bfa5e845b9b162c58d81c4e49a/FLAG5221f8e4b [2020-10-28 15:29:22,566 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:29:22,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec14_product32.cil.c [2020-10-28 15:29:22,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a83e91f5/8a4cf0bfa5e845b9b162c58d81c4e49a/FLAG5221f8e4b [2020-10-28 15:29:22,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a83e91f5/8a4cf0bfa5e845b9b162c58d81c4e49a [2020-10-28 15:29:22,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:29:22,721 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:29:22,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:29:22,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:29:22,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:29:22,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:29:22" (1/1) ... [2020-10-28 15:29:22,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8593962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:29:22, skipping insertion in model container [2020-10-28 15:29:22,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:29:22" (1/1) ... [2020-10-28 15:29:22,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:29:22,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:29:23,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:29:23,572 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:29:23,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:29:23,807 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:29:23,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:29:23 WrapperNode [2020-10-28 15:29:23,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:29:23,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:29:23,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:29:23,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:29:23,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:29:23" (1/1) ... [2020-10-28 15:29:23,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:29:23" (1/1) ... [2020-10-28 15:29:23,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:29:23" (1/1) ... [2020-10-28 15:29:23,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:29:23" (1/1) ... [2020-10-28 15:29:23,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:29:23" (1/1) ... [2020-10-28 15:29:23,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:29:23" (1/1) ... [2020-10-28 15:29:23,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:29:23" (1/1) ... [2020-10-28 15:29:23,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:29:23,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:29:23,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:29:23,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:29:23,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:29:23" (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 [2020-10-28 15:29:24,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:29:24,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:29:24,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 15:29:24,096 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:29:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-28 15:29:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-28 15:29:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-28 15:29:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 15:29:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-28 15:29:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-28 15:29:24,098 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-28 15:29:24,098 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-28 15:29:24,098 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-28 15:29:24,098 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-28 15:29:24,098 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-28 15:29:24,098 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-28 15:29:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 15:29:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-28 15:29:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-28 15:29:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-28 15:29:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 15:29:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-28 15:29:24,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 15:29:24,100 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 15:29:24,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:29:24,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 15:29:24,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 15:29:24,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 15:29:24,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 15:29:24,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 15:29:24,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 15:29:24,101 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 15:29:24,101 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 15:29:24,101 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 15:29:24,101 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 15:29:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-28 15:29:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-28 15:29:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-28 15:29:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-28 15:29:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-28 15:29:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-28 15:29:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-28 15:29:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-28 15:29:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-28 15:29:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-28 15:29:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-28 15:29:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-28 15:29:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-28 15:29:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-28 15:29:24,104 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-28 15:29:24,104 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-28 15:29:24,104 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-28 15:29:24,104 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-28 15:29:24,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-28 15:29:24,104 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-28 15:29:24,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-28 15:29:24,105 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-28 15:29:24,105 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-28 15:29:24,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-28 15:29:24,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-28 15:29:24,105 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-28 15:29:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-28 15:29:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-28 15:29:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-28 15:29:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-28 15:29:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-28 15:29:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-28 15:29:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-28 15:29:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-28 15:29:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-28 15:29:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-28 15:29:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-28 15:29:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-28 15:29:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 15:29:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-28 15:29:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-28 15:29:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-28 15:29:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-28 15:29:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-28 15:29:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 15:29:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2020-10-28 15:29:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:29:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:29:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:29:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:29:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:29:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-28 15:29:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-28 15:29:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-28 15:29:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-28 15:29:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-28 15:29:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-28 15:29:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 15:29:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 15:29:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 15:29:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-28 15:29:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-28 15:29:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-28 15:29:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-28 15:29:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-28 15:29:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-28 15:29:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 15:29:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-28 15:29:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-28 15:29:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-28 15:29:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-28 15:29:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-28 15:29:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-28 15:29:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-28 15:29:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 15:29:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-28 15:29:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 15:29:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 15:29:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 15:29:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 15:29:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 15:29:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:29:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 15:29:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 15:29:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 15:29:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 15:29:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 15:29:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:29:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 15:29:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 15:29:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:29:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 15:29:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 15:29:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:29:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 15:29:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 15:29:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 15:29:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 15:29:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-28 15:29:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-28 15:29:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-28 15:29:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-28 15:29:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-28 15:29:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-28 15:29:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-28 15:29:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-28 15:29:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-28 15:29:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-28 15:29:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 15:29:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-28 15:29:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-28 15:29:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-28 15:29:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-28 15:29:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-28 15:29:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-28 15:29:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-28 15:29:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-28 15:29:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-28 15:29:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-28 15:29:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-28 15:29:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-28 15:29:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-28 15:29:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-28 15:29:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-28 15:29:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-28 15:29:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-28 15:29:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-28 15:29:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-28 15:29:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-28 15:29:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-28 15:29:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-28 15:29:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-28 15:29:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-28 15:29:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-28 15:29:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-28 15:29:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2020-10-28 15:29:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-28 15:29:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-28 15:29:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 15:29:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:29:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:29:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:29:26,881 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:29:26,881 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-28 15:29:26,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:29:26 BoogieIcfgContainer [2020-10-28 15:29:26,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:29:26,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:29:26,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:29:26,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:29:26,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:29:22" (1/3) ... [2020-10-28 15:29:26,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bea48ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:29:26, skipping insertion in model container [2020-10-28 15:29:26,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:29:23" (2/3) ... [2020-10-28 15:29:26,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bea48ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:29:26, skipping insertion in model container [2020-10-28 15:29:26,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:29:26" (3/3) ... [2020-10-28 15:29:26,894 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product32.cil.c [2020-10-28 15:29:26,908 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:29:26,914 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 15:29:26,929 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 15:29:26,970 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:29:26,970 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:29:26,971 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:29:26,971 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:29:26,971 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:29:26,971 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:29:26,971 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:29:26,971 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:29:27,013 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states. [2020-10-28 15:29:27,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-28 15:29:27,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:29:27,030 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] [2020-10-28 15:29:27,030 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]=== [2020-10-28 15:29:27,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:29:27,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1407061077, now seen corresponding path program 1 times [2020-10-28 15:29:27,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:29:27,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [976812054] [2020-10-28 15:29:27,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:29:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:27,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:27,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:28,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:29,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:32,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:32,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-28 15:29:32,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:29:32,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5077 [2020-10-28 15:29:32,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:32,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:32,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:29:32,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:29:32,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-28 15:29:32,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 15:29:34,054 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:29:34,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:29:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:34,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:34,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:34,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:34,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:34,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-28 15:29:34,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:34,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:29:34,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:34,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:29:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:34,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:34,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:34,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:29:34,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:34,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:29:34,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:34,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:34,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:34,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:34,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:29:34,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:34,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:29:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:34,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:34,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:34,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:29:34,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:34,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:29:34,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:34,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:34,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:34,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:34,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:29:34,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:29:34,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:29:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:34,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:34,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:34,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:34,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:34,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:29:34,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:34,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:34,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:34,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:34,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:29:34,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:34,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:29:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:34,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:34,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:34,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:29:34,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:34,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:29:34,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:34,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:34,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:34,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:34,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:29:34,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:34,457 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:29:34,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:29:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:34,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:34,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:34,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:34,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:34,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:35,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:35,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:29:35,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:29:35,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 785 [2020-10-28 15:29:35,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:35,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:35,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:35,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:35,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:29:35,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:35,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:29:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:35,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:35,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:35,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:35,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:29:35,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:29:35,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 15:29:35,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:35,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:35,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:35,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:35,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:35,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:29:35,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:29:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:35,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:35,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:35,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:35,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:29:35,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:29:35,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 15:29:35,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:35,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:35,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:35,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:35,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:29:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:35,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:35,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:35,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:29:35,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:35,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:35,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:35,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:35,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:35,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:35,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:35,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:29:35,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 15:29:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:35,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:35,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:35,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:35,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:35,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:29:35,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:35,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:35,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:35,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:35,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:29:35,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:29:35,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:29:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:35,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:35,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:35,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:29:35,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:35,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 15:29:35,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:35,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:35,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:29:35,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 15:29:35,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:29:35,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:35,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:29:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:35,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:35,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:35,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:29:35,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:35,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:29:35,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:35,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:35,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:29:35,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:35,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:29:35,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:29:35,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 15:29:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:35,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:35,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:35,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:35,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:35,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:35,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:35,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:35,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:35,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:29:35,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:35,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:35,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 15:29:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:35,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:35,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:35,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:35,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:35,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:29:35,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:35,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:35,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:35,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:29:35,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:35,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:35,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 15:29:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:35,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:35,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:35,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:35,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:35,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:35,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:35,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:35,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:35,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:29:35,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:35,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:35,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:29:35,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [976812054] [2020-10-28 15:29:35,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:29:35,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:29:35,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787333478] [2020-10-28 15:29:35,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:29:35,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:29:35,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:29:35,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:29:35,572 INFO L87 Difference]: Start difference. First operand 802 states. Second operand 9 states. [2020-10-28 15:29:37,234 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:29:39,247 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:29:40,523 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:29:41,708 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-28 15:29:48,388 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:30:00,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:30:00,736 INFO L93 Difference]: Finished difference Result 1535 states and 2578 transitions. [2020-10-28 15:30:00,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 15:30:00,748 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-28 15:30:00,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:30:00,787 INFO L225 Difference]: With dead ends: 1535 [2020-10-28 15:30:00,787 INFO L226 Difference]: Without dead ends: 879 [2020-10-28 15:30:00,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 15:30:00,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2020-10-28 15:30:01,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 644. [2020-10-28 15:30:01,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-10-28 15:30:01,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 1009 transitions. [2020-10-28 15:30:01,199 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 1009 transitions. Word has length 88 [2020-10-28 15:30:01,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:30:01,199 INFO L481 AbstractCegarLoop]: Abstraction has 644 states and 1009 transitions. [2020-10-28 15:30:01,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:30:01,200 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1009 transitions. [2020-10-28 15:30:01,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-28 15:30:01,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:30:01,215 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] [2020-10-28 15:30:01,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:30:01,216 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]=== [2020-10-28 15:30:01,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:30:01,217 INFO L82 PathProgramCache]: Analyzing trace with hash -913662014, now seen corresponding path program 1 times [2020-10-28 15:30:01,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:30:01,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882163945] [2020-10-28 15:30:01,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:30:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:01,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:01,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:01,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:01,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:02,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:06,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:06,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-28 15:30:06,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:30:06,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-28 15:30:06,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:06,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:06,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:30:06,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:30:06,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-28 15:30:06,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:07,553 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:30:07,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:30:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:07,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:07,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:07,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:07,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:07,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-10-28 15:30:07,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:07,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:30:07,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:07,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:30:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:07,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:07,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:07,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:30:07,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:07,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:07,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:07,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:07,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:07,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:07,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:30:07,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:07,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:30:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:07,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:07,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:07,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:30:07,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:07,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:07,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:07,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:30:07,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:07,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:30:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:07,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:07,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:07,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:07,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:07,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:30:07,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:07,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:07,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:07,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:07,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:30:07,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:07,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:30:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:07,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:07,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:07,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:30:07,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:07,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:07,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:07,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:30:07,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:07,962 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:30:07,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:30:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:07,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:07,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:07,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:08,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:08,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:08,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:08,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:30:08,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:30:08,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 880 [2020-10-28 15:30:08,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:08,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:08,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:08,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:08,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:30:08,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:08,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:30:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:08,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:08,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:08,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:08,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:30:08,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:30:08,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:30:08,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:08,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:08,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:08,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:08,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:08,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:30:08,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:30:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:08,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:08,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:08,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:08,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:30:08,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:30:08,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 15:30:08,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:08,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:08,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:08,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:08,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:08,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:08,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:30:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:08,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:08,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:08,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:30:08,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:08,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:08,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:08,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:08,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:08,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:08,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:08,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:08,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 15:30:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:08,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:08,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:08,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:08,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:08,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:30:08,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:08,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:08,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:08,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:08,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:30:08,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:30:08,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:30:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:08,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:08,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:08,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:30:08,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:08,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:30:08,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:08,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:08,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:30:08,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 15:30:08,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 15:30:08,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:08,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:30:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:09,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:09,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:09,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:30:09,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:09,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:30:09,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:09,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:09,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:30:09,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:09,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:30:09,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 35 [2020-10-28 15:30:09,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 15:30:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:09,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:09,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:09,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:09,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:09,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:09,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:09,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:09,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:09,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:30:09,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:09,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:09,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-28 15:30:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:09,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:09,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:09,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:09,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:09,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:30:09,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:09,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:09,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:09,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:30:09,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:09,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:09,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 15:30:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:09,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:09,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:09,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:09,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:09,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:09,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:09,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:09,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:09,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:30:09,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:09,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:09,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:30:09,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [882163945] [2020-10-28 15:30:09,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:30:09,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:30:09,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007677905] [2020-10-28 15:30:09,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:30:09,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:30:09,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:30:09,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:30:09,177 INFO L87 Difference]: Start difference. First operand 644 states and 1009 transitions. Second operand 9 states. [2020-10-28 15:30:11,545 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:30:13,350 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:30:14,641 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:30:15,870 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-28 15:30:22,658 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:30:36,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:30:36,658 INFO L93 Difference]: Finished difference Result 1496 states and 2505 transitions. [2020-10-28 15:30:36,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 15:30:36,659 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-28 15:30:36,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:30:36,670 INFO L225 Difference]: With dead ends: 1496 [2020-10-28 15:30:36,670 INFO L226 Difference]: Without dead ends: 884 [2020-10-28 15:30:36,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 15:30:36,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2020-10-28 15:30:36,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 649. [2020-10-28 15:30:36,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-10-28 15:30:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 1014 transitions. [2020-10-28 15:30:36,933 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 1014 transitions. Word has length 89 [2020-10-28 15:30:36,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:30:36,933 INFO L481 AbstractCegarLoop]: Abstraction has 649 states and 1014 transitions. [2020-10-28 15:30:36,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:30:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1014 transitions. [2020-10-28 15:30:36,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 15:30:36,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:30:36,936 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] [2020-10-28 15:30:36,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:30:36,936 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]=== [2020-10-28 15:30:36,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:30:36,937 INFO L82 PathProgramCache]: Analyzing trace with hash -860579983, now seen corresponding path program 1 times [2020-10-28 15:30:36,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:30:36,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972501605] [2020-10-28 15:30:36,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:30:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:37,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:37,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:37,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:37,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:38,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:42,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:42,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-28 15:30:42,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:30:42,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-28 15:30:42,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:42,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:42,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:30:42,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:30:42,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-28 15:30:42,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:43,183 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:30:43,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:30:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:43,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:43,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:43,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:43,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:43,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-28 15:30:43,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:43,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:43,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:43,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:43,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:30:43,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:43,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:30:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:43,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:43,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:43,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:30:43,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:43,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:30:43,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:43,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:43,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:43,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:43,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:30:43,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:43,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:30:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:43,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:43,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:43,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:30:43,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:43,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:43,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:43,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:43,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:43,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:43,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:30:43,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:43,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:30:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:43,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:43,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:43,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:43,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:43,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:43,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:43,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:43,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:43,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:43,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:30:43,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:43,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:30:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:43,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:43,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:43,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:30:43,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:43,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:43,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:43,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:43,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:43,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:43,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:30:43,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:43,537 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:30:43,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:30:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:43,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:43,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:43,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:43,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:43,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:44,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:30:44,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:30:44,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 626 [2020-10-28 15:30:44,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:44,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:44,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:44,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:44,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:30:44,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:44,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:30:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:44,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:44,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:30:44,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:30:44,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:30:44,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:44,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:44,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:44,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:44,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:44,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:44,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:30:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:44,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:44,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:30:44,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:30:44,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 15:30:44,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:44,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:44,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:44,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:30:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:44,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:44,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:30:44,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:44,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:44,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:44,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:44,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:44,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:44,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:44,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:44,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 15:30:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:44,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:44,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:44,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:44,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:44,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:44,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:44,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:44,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:44,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:30:44,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:44,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:30:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:44,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:44,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:30:44,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:44,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:30:44,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:44,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:44,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:30:44,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 15:30:44,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 15:30:44,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:44,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:30:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:44,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:44,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:30:44,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:44,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:30:44,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:44,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:30:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 15:30:44,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:44,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 15:30:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:44,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:44,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:44,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:44,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:44,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:44,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:44,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:44,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:30:44,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:44,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:44,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 15:30:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:44,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:44,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:44,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:44,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:44,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:44,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:44,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:44,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:30:44,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:44,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:44,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 15:30:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:44,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:44,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:44,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:44,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:44,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:44,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:44,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:44,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:30:44,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:44,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:44,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:30:44,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972501605] [2020-10-28 15:30:44,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:30:44,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:30:44,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402538998] [2020-10-28 15:30:44,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:30:44,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:30:44,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:30:44,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:30:44,389 INFO L87 Difference]: Start difference. First operand 649 states and 1014 transitions. Second operand 9 states. [2020-10-28 15:30:46,563 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:30:48,204 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:30:49,478 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:30:50,680 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-28 15:30:57,480 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:31:10,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:31:10,743 INFO L93 Difference]: Finished difference Result 1507 states and 2514 transitions. [2020-10-28 15:31:10,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 15:31:10,745 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-28 15:31:10,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:31:10,755 INFO L225 Difference]: With dead ends: 1507 [2020-10-28 15:31:10,755 INFO L226 Difference]: Without dead ends: 890 [2020-10-28 15:31:10,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 15:31:10,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2020-10-28 15:31:11,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 655. [2020-10-28 15:31:11,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2020-10-28 15:31:11,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 1020 transitions. [2020-10-28 15:31:11,009 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 1020 transitions. Word has length 90 [2020-10-28 15:31:11,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:31:11,010 INFO L481 AbstractCegarLoop]: Abstraction has 655 states and 1020 transitions. [2020-10-28 15:31:11,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:31:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 1020 transitions. [2020-10-28 15:31:11,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-28 15:31:11,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:31:11,012 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] [2020-10-28 15:31:11,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 15:31:11,012 INFO L429 AbstractCegarLoop]: === Iteration 4 === [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]=== [2020-10-28 15:31:11,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:31:11,013 INFO L82 PathProgramCache]: Analyzing trace with hash -233983202, now seen corresponding path program 1 times [2020-10-28 15:31:11,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:31:11,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140365556] [2020-10-28 15:31:11,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:31:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:11,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:11,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:11,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:11,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:13,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:16,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:16,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-28 15:31:16,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:31:16,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-28 15:31:16,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:16,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:16,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:31:16,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:31:16,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-28 15:31:16,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:17,276 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:31:17,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:31:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:17,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:17,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:17,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:17,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:17,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-28 15:31:17,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:17,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:17,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:31:17,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:17,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:31:17,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:17,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:31:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:17,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:17,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:17,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:31:17,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:17,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:17,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:17,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:31:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:17,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:31:17,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:17,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:31:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:17,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:17,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:17,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:31:17,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:17,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:17,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:17,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:31:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:31:17,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:17,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:31:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:17,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:17,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:17,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:17,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:17,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:17,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:17,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:17,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:31:17,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:17,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:31:17,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:17,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:31:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:17,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:17,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:17,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:31:17,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:17,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:17,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:17,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:17,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:31:17,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:17,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:31:17,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:17,576 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:31:17,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:31:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:17,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:17,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:17,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:17,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:17,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:18,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:18,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:31:18,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:31:18,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 577 [2020-10-28 15:31:18,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:18,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:31:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:31:18,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:18,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:31:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:18,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:18,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:18,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:18,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:31:18,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:31:18,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:31:18,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:18,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:18,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:18,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:18,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:18,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:18,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:31:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:18,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:18,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:18,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:18,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:31:18,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:31:18,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 15:31:18,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:18,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:18,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:18,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:18,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:18,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:31:18,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:31:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:18,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:18,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:18,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:31:18,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:18,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:18,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:18,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:18,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:18,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:18,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:18,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:18,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 15:31:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:18,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:18,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:18,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:18,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:18,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:18,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:18,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:18,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:31:18,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:18,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:31:18,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:18,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:31:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:18,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:18,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:18,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 15:31:18,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:18,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:31:18,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:18,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:18,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:31:18,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 15:31:18,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 15:31:18,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:18,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:31:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:18,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:18,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:18,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 15:31:18,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:18,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:31:18,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:18,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:18,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:31:18,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:18,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:31:18,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:18,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 15:31:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:18,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:18,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:18,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:18,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:18,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:18,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:18,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:18,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:18,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:31:18,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:18,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:18,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 15:31:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:18,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:18,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:18,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:18,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:18,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:31:18,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:18,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:18,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:18,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:31:18,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:18,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:18,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 15:31:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:18,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:18,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:18,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:18,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:18,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:18,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:18,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:18,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:18,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:31:18,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:18,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:18,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:31:18,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140365556] [2020-10-28 15:31:18,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:31:18,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:31:18,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480315835] [2020-10-28 15:31:18,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:31:18,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:31:18,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:31:18,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:31:18,402 INFO L87 Difference]: Start difference. First operand 655 states and 1020 transitions. Second operand 9 states. [2020-10-28 15:31:21,041 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:31:22,767 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:31:24,067 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:31:25,334 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-28 15:31:32,683 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:31:45,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:31:45,763 INFO L93 Difference]: Finished difference Result 1520 states and 2525 transitions. [2020-10-28 15:31:45,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 15:31:45,763 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-10-28 15:31:45,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:31:45,773 INFO L225 Difference]: With dead ends: 1520 [2020-10-28 15:31:45,773 INFO L226 Difference]: Without dead ends: 897 [2020-10-28 15:31:45,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 15:31:45,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2020-10-28 15:31:45,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 662. [2020-10-28 15:31:45,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-10-28 15:31:45,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1027 transitions. [2020-10-28 15:31:45,965 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1027 transitions. Word has length 91 [2020-10-28 15:31:45,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:31:45,966 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 1027 transitions. [2020-10-28 15:31:45,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:31:45,966 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1027 transitions. [2020-10-28 15:31:45,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-28 15:31:45,967 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:31:45,967 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] [2020-10-28 15:31:45,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 15:31:45,968 INFO L429 AbstractCegarLoop]: === Iteration 5 === [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]=== [2020-10-28 15:31:45,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:31:45,968 INFO L82 PathProgramCache]: Analyzing trace with hash 991701645, now seen corresponding path program 1 times [2020-10-28 15:31:45,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:31:45,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991436101] [2020-10-28 15:31:45,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:31:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:46,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:46,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:46,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:46,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:49,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:49,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:51,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 15:31:51,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:31:51,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 15:31:51,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:51,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:51,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:31:51,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 15:31:51,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:31:51,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:52,219 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:31:52,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:31:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:52,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:52,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:52,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:52,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 15:31:52,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:52,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:52,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:52,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:31:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:52,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:52,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:31:52,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:52,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:52,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:52,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:52,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:52,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:52,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:52,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:52,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:31:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:52,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:52,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:31:52,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:52,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:52,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:52,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:52,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:52,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:52,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:52,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 33 [2020-10-28 15:31:52,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:31:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:52,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:52,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:52,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:52,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:31:52,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:52,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:52,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:52,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:52,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:52,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:52,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:31:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:52,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:52,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:31:52,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:52,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:31:52,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:52,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:52,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:52,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:52,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:52,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:52,493 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:31:52,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:31:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:52,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:52,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:31:52,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:31:52,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-28 15:31:52,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:52,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:31:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:31:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:31:52,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:52,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:31:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:52,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:52,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:31:52,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:31:52,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:31:52,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:52,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:52,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:52,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:31:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:52,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:52,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:31:52,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:52,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 15:31:52,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:52,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:52,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:31:52,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:31:52,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 15:31:52,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:52,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:31:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:52,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:52,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:31:52,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:52,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:52,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:52,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:52,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:31:52,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:52,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:31:52,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:52,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 15:31:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:52,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:52,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:52,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:52,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:52,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:52,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:52,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:52,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:31:52,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:52,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:52,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:31:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:52,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:52,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:31:52,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:52,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:31:52,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:52,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:52,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:52,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 15:31:52,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:52,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:52,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:31:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:52,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:52,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 15:31:52,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:52,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:52,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:52,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:52,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:52,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:52,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:52,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:52,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 15:31:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:52,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:52,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:52,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:52,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:52,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:52,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:52,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:52,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:31:52,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:52,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:52,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 15:31:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:52,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:52,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:52,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:52,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:52,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:52,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:52,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:52,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:31:52,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:52,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:52,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 15:31:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:52,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:52,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:52,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:52,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:52,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:52,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:52,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:52,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:52,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:31:52,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:52,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:52,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:31:52,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991436101] [2020-10-28 15:31:52,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:31:52,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 15:31:52,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360073210] [2020-10-28 15:31:52,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 15:31:52,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:31:52,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 15:31:52,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 15:31:52,930 INFO L87 Difference]: Start difference. First operand 662 states and 1027 transitions. Second operand 7 states. [2020-10-28 15:31:55,166 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:32:07,622 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:32:08,857 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:32:18,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:32:18,327 INFO L93 Difference]: Finished difference Result 1575 states and 2574 transitions. [2020-10-28 15:32:18,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 15:32:18,328 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-10-28 15:32:18,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:32:18,337 INFO L225 Difference]: With dead ends: 1575 [2020-10-28 15:32:18,337 INFO L226 Difference]: Without dead ends: 941 [2020-10-28 15:32:18,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-28 15:32:18,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-10-28 15:32:18,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 701. [2020-10-28 15:32:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-10-28 15:32:18,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1101 transitions. [2020-10-28 15:32:18,590 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1101 transitions. Word has length 92 [2020-10-28 15:32:18,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:32:18,591 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1101 transitions. [2020-10-28 15:32:18,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 15:32:18,591 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1101 transitions. [2020-10-28 15:32:18,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-28 15:32:18,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:32:18,595 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] [2020-10-28 15:32:18,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 15:32:18,595 INFO L429 AbstractCegarLoop]: === Iteration 6 === [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]=== [2020-10-28 15:32:18,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:32:18,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1157242701, now seen corresponding path program 1 times [2020-10-28 15:32:18,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:32:18,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1683679120] [2020-10-28 15:32:18,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:32:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:18,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:18,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:18,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:18,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:21,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:21,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:23,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:23,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 15:32:23,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:32:23,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-28 15:32:23,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:23,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:32:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 15:32:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:32:23,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:25,113 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:32:25,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:32:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:25,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:25,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:25,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:25,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 15:32:25,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:25,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:25,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:25,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:25,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:25,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:25,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:32:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:25,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:25,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:32:25,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:25,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:25,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:25,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:25,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:25,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:25,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:25,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:25,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:32:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:25,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:25,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:32:25,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:25,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:25,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:25,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:25,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:25,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:25,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:25,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:25,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:32:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:25,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:25,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:25,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:25,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:25,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:25,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:25,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:25,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:25,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:25,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:25,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:32:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:25,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:25,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:32:25,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:25,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:25,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:25,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:25,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:25,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:25,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:25,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:25,320 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:32:25,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:32:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:25,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:25,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 15:32:25,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:32:25,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-10-28 15:32:25,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:25,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:32:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:32:25,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:32:25,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:25,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:32:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:25,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:25,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:32:25,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:32:25,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:32:25,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:25,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:25,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:25,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:25,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:25,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:25,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:32:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:25,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:25,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:32:25,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:25,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 15:32:25,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:25,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:25,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:32:25,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:32:25,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 15:32:25,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:25,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:32:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:25,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:25,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:32:25,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:25,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:32:25,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:25,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:25,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:32:25,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:25,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:32:25,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:25,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 15:32:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:25,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:25,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:25,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:25,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:32:25,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:25,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:25,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:25,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:32:25,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:25,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:25,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 15:32:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:25,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:25,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:32:25,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:25,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:32:25,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:25,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:25,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:25,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 15:32:25,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:25,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:25,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:32:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:25,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:25,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 15:32:25,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:25,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:32:25,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:25,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:25,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:25,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 15:32:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:25,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:25,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:25,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:25,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:32:25,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:25,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:32:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:25,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:25,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 15:32:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:25,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:25,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:25,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:25,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:32:25,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:25,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:25,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:25,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:32:25,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:25,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:25,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 15:32:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:25,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:25,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:25,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:25,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:25,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:32:25,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:25,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:25,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:25,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:32:25,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:25,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:25,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:32:25,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1683679120] [2020-10-28 15:32:25,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:32:25,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 15:32:25,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178424396] [2020-10-28 15:32:25,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 15:32:25,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:32:25,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 15:32:25,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 15:32:25,838 INFO L87 Difference]: Start difference. First operand 701 states and 1101 transitions. Second operand 7 states. [2020-10-28 15:32:27,989 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:32:39,642 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:32:40,840 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:32:49,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:32:49,721 INFO L93 Difference]: Finished difference Result 1580 states and 2579 transitions. [2020-10-28 15:32:49,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 15:32:49,722 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-10-28 15:32:49,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:32:49,732 INFO L225 Difference]: With dead ends: 1580 [2020-10-28 15:32:49,733 INFO L226 Difference]: Without dead ends: 941 [2020-10-28 15:32:49,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-28 15:32:49,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-10-28 15:32:50,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 701. [2020-10-28 15:32:50,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-10-28 15:32:50,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1096 transitions. [2020-10-28 15:32:50,014 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1096 transitions. Word has length 93 [2020-10-28 15:32:50,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:32:50,014 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1096 transitions. [2020-10-28 15:32:50,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 15:32:50,015 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1096 transitions. [2020-10-28 15:32:50,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-28 15:32:50,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:32:50,016 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] [2020-10-28 15:32:50,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 15:32:50,017 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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]=== [2020-10-28 15:32:50,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:32:50,017 INFO L82 PathProgramCache]: Analyzing trace with hash -118201624, now seen corresponding path program 1 times [2020-10-28 15:32:50,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:32:50,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775673751] [2020-10-28 15:32:50,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:32:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:50,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:50,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:50,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:51,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:54,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:54,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:55,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:55,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-28 15:32:55,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:32:55,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-28 15:32:55,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:55,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:55,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:32:55,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 15:32:55,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:32:55,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:56,236 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:32:56,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:32:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:56,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:56,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:56,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:56,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 15:32:56,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:56,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:56,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:56,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:56,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:32:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:56,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:56,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:32:56,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:56,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:56,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:56,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:56,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:56,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:32:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:56,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:56,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:32:56,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:56,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:56,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:56,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:56,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:56,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:56,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:56,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:56,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:32:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:56,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:56,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:56,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:56,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:56,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:56,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:56,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:56,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:56,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:32:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:56,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:56,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:32:56,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:56,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:56,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:56,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:56,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:56,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:56,435 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:32:56,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:32:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:56,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:56,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 15:32:56,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:32:56,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-28 15:32:56,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:56,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:56,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:32:56,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:32:56,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:32:56,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:56,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:32:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:56,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:56,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:32:56,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:32:56,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:32:56,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:56,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:56,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:56,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:56,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:56,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:56,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:32:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:56,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:56,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 15:32:56,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:56,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 15:32:56,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:56,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:32:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:32:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 15:32:56,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:56,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:32:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:56,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:56,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:32:56,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:56,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:32:56,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:56,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:56,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:32:56,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:56,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:32:56,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:56,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 15:32:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:56,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:56,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:56,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:56,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:56,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:56,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:56,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:56,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:32:56,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:56,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:56,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 15:32:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:56,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:56,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:32:56,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:56,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:32:56,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:56,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:56,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:56,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 15:32:56,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:56,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:56,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:32:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:56,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:56,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 15:32:56,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:56,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:32:56,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:56,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:56,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:56,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:56,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:56,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:56,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-28 15:32:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:56,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:56,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:56,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:56,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:56,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:56,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:56,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:56,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:32:56,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:56,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:56,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 15:32:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:56,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:56,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:56,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:56,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:32:56,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:56,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:56,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:56,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:32:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:56,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:56,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 15:32:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:56,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:56,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:56,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:56,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:56,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:56,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:56,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:32:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:56,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:56,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:32:56,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775673751] [2020-10-28 15:32:56,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:32:56,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 15:32:56,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413636089] [2020-10-28 15:32:56,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 15:32:56,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:32:56,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 15:32:56,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 15:32:56,921 INFO L87 Difference]: Start difference. First operand 701 states and 1096 transitions. Second operand 7 states. [2020-10-28 15:32:58,787 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 406