/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=DEEPEST --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_spec1_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:51:35,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:51:35,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:51:35,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:51:35,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:51:35,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:51:35,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:51:35,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:51:35,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:51:35,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:51:35,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:51:35,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:51:35,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:51:35,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:51:35,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:51:35,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:51:35,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:51:35,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:51:35,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:51:35,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:51:35,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:51:35,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:51:35,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:51:35,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:51:35,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:51:35,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:51:35,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:51:35,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:51:35,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:51:35,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:51:35,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:51:35,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:51:35,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:51:35,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:51:35,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:51:35,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:51:35,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:51:35,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:51:35,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:51:35,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:51:35,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:51:35,887 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 20:51:35,956 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:51:35,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:51:35,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:51:35,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:51:35,959 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:51:35,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:51:35,960 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:51:35,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:51:35,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:51:35,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:51:35,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:51:35,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:51:35,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:51:35,961 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:51:35,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:51:35,961 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:51:35,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:51:35,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:51:35,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:51:35,964 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:51:35,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:51:35,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:51:35,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:51:35,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:51:35,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:51:35,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:51:35,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:51:35,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:51:35,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:51:35,965 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:51:36,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:51:36,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:51:36,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:51:36,439 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:51:36,440 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:51:36,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product26.cil.c [2020-10-27 20:51:36,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3aa04d94/556bfd479df54adcbbaebbf4da7b58ec/FLAG0874d103a [2020-10-27 20:51:37,396 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:51:37,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product26.cil.c [2020-10-27 20:51:37,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3aa04d94/556bfd479df54adcbbaebbf4da7b58ec/FLAG0874d103a [2020-10-27 20:51:37,572 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3aa04d94/556bfd479df54adcbbaebbf4da7b58ec [2020-10-27 20:51:37,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:51:37,582 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:51:37,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:51:37,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:51:37,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:51:37,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:51:37" (1/1) ... [2020-10-27 20:51:37,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@423604d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:37, skipping insertion in model container [2020-10-27 20:51:37,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:51:37" (1/1) ... [2020-10-27 20:51:37,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:51:37,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:51:38,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:51:38,323 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:51:38,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:51:38,519 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:51:38,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:38 WrapperNode [2020-10-27 20:51:38,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:51:38,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:51:38,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:51:38,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:51:38,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:38" (1/1) ... [2020-10-27 20:51:38,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:38" (1/1) ... [2020-10-27 20:51:38,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:38" (1/1) ... [2020-10-27 20:51:38,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:38" (1/1) ... [2020-10-27 20:51:38,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:38" (1/1) ... [2020-10-27 20:51:38,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:38" (1/1) ... [2020-10-27 20:51:38,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:38" (1/1) ... [2020-10-27 20:51:38,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:51:38,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:51:38,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:51:38,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:51:38,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:51:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:51:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:51:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 20:51:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:51:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 20:51:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 20:51:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 20:51:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 20:51:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 20:51:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 20:51:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 20:51:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 20:51:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 20:51:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 20:51:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 20:51:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 20:51:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 20:51:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 20:51:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 20:51:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 20:51:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 20:51:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 20:51:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 20:51:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 20:51:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 20:51:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 20:51:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 20:51:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 20:51:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2020-10-27 20:51:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 20:51:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__empty [2020-10-27 20:51:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 20:51:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 20:51:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 20:51:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 20:51:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 20:51:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 20:51:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 20:51:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 20:51:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 20:51:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 20:51:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 20:51:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 20:51:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 20:51:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 20:51:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 20:51:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 20:51:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 20:51:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 20:51:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 20:51:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 20:51:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 20:51:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 20:51:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 20:51:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 20:51:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 20:51:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 20:51:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 20:51:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 20:51:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 20:51:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 20:51:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 20:51:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 20:51:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 20:51:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 20:51:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 20:51:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 20:51:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 20:51:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:51:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 20:51:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 20:51:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 20:51:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 20:51:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 20:51:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 20:51:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 20:51:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 20:51:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 20:51:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:51:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:51:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:51:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:51:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:51:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 20:51:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 20:51:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 20:51:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 20:51:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 20:51:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 20:51:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 20:51:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 20:51:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 20:51:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 20:51:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 20:51:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 20:51:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 20:51:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 20:51:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 20:51:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 20:51:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 20:51:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 20:51:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 20:51:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 20:51:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 20:51:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 20:51:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 20:51:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 20:51:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 20:51:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 20:51:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 20:51:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 20:51:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 20:51:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 20:51:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 20:51:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 20:51:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 20:51:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 20:51:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 20:51:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 20:51:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 20:51:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 20:51:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2020-10-27 20:51:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 20:51:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__empty [2020-10-27 20:51:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 20:51:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:51:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:51:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 20:51:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:51:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:51:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:51:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:51:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 20:51:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:51:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 20:51:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 20:51:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:51:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 20:51:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 20:51:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 20:51:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 20:51:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 20:51:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 20:51:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 20:51:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 20:51:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 20:51:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 20:51:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 20:51:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 20:51:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 20:51:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 20:51:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 20:51:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:51:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 20:51:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 20:51:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 20:51:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 20:51:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 20:51:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 20:51:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 20:51:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 20:51:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 20:51:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 20:51:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 20:51:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 20:51:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 20:51:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:51:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 20:51:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:51:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:51:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:51:41,474 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:51:41,475 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 20:51:41,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:51:41 BoogieIcfgContainer [2020-10-27 20:51:41,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:51:41,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:51:41,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:51:41,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:51:41,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:51:37" (1/3) ... [2020-10-27 20:51:41,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520dcc09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:51:41, skipping insertion in model container [2020-10-27 20:51:41,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:38" (2/3) ... [2020-10-27 20:51:41,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520dcc09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:51:41, skipping insertion in model container [2020-10-27 20:51:41,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:51:41" (3/3) ... [2020-10-27 20:51:41,493 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product26.cil.c [2020-10-27 20:51:41,506 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:51:41,512 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 20:51:41,528 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 20:51:41,577 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:51:41,578 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:51:41,578 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:51:41,578 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:51:41,578 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:51:41,578 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:51:41,578 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:51:41,579 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:51:41,628 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states. [2020-10-27 20:51:41,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 20:51:41,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:51:41,655 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:51:41,656 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:51:41,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:51:41,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1021792729, now seen corresponding path program 1 times [2020-10-27 20:51:41,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:51:41,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468227364] [2020-10-27 20:51:41,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:51:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:43,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:44,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:45,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:47,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:47,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 20:51:47,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:51:47,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-27 20:51:47,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:47,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:47,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 20:51:47,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:51:47,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:51:48,463 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:51:48,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:51:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:48,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:48,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:48,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:48,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:48,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 20:51:48,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:48,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:48,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:48,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:48,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:48,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:51:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:48,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:48,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:48,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:48,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:48,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:51:48,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:48,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:48,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:48,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:48,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:51:48,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:51:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:48,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:48,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:48,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:48,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:48,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:48,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:48,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:48,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:48,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:48,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:48,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:51:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:48,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:48,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:48,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:48,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:48,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:51:48,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:48,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:48,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:48,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:48,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:48,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:51:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:48,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:48,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:48,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:48,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:48,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:51:48,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:48,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:48,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:48,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:48,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:48,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:51:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:48,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:48,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:48,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:48,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:48,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:48,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:48,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:48,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:48,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:48,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:51:48,948 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:51:48,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:51:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:49,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:49,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:49,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:49,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:49,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:49,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:49,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:54,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:54,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 20:51:54,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:51:54,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 20:51:54,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:54,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:54,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 20:51:54,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:51:54,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:51:54,218 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:51:54,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:51:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:54,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:54,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:54,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:54,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:54,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:54,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:55,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:55,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:51:55,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:51:55,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1434 [2020-10-27 20:51:55,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:55,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:55,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:51:55,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:51:55,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:55,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:55,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:55,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:55,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:55,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:55,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:55,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:51:55,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:55,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:55,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:55,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:51:55,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:55,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:51:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:55,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:55,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:55,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 20:51:55,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:55,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 20:51:55,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:55,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:55,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:55,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:51:55,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:55,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:51:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:55,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:55,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:55,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:55,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:55,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:51:55,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:55,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:55,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:55,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:51:55,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:55,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:55,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:55,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:55,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:55,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:55,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:55,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:55,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:55,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:55,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:55,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 20:51:55,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:51:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:55,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:55,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:55,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:55,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:56,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:56,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:56,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:51:56,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:51:56,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1039 [2020-10-27 20:51:56,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:56,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:56,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:51:56,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:51:56,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:56,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:56,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:56,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:56,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:56,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:56,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:56,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:51:56,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:56,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:56,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:56,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:51:56,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:57,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:51:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:57,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:57,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:57,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 20:51:57,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:57,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 20:51:57,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:57,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:57,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:57,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:51:57,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:57,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:51:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:57,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:57,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:57,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:57,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:57,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:51:57,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:57,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:57,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:51:57,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:51:57,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:57,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:57,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:57,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:57,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:57,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:57,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:57,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:57,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:51:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:57,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:57,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:57,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:57,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 20:51:57,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:57,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 20:51:57,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:57,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:57,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 20:51:57,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:57,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:57,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:57,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:57,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:57,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:51:57,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:57,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 20:51:57,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:57,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:57,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:57,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:57,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:51:57,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:57,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:57,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:57,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:57,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:57,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:57,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:57,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:57,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:57,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:57,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:57,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:51:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:57,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:57,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:57,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:51:57,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:57,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:57,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:57,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:57,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:57,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:57,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:57,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:57,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:57,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:57,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:57,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:57,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:57,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:57,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:57,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:57,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:57,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:57,486 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 20:51:57,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468227364] [2020-10-27 20:51:57,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:51:57,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 20:51:57,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397526778] [2020-10-27 20:51:57,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:51:57,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:51:57,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:51:57,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:51:57,518 INFO L87 Difference]: Start difference. First operand 779 states. Second operand 13 states. [2020-10-27 20:51:59,745 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:52:00,930 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:52:02,278 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:52:24,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:52:24,724 INFO L93 Difference]: Finished difference Result 1505 states and 2535 transitions. [2020-10-27 20:52:24,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:52:24,727 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 117 [2020-10-27 20:52:24,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:52:24,771 INFO L225 Difference]: With dead ends: 1505 [2020-10-27 20:52:24,771 INFO L226 Difference]: Without dead ends: 885 [2020-10-27 20:52:24,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-10-27 20:52:24,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2020-10-27 20:52:25,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 615. [2020-10-27 20:52:25,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2020-10-27 20:52:25,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 978 transitions. [2020-10-27 20:52:25,130 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 978 transitions. Word has length 117 [2020-10-27 20:52:25,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:52:25,131 INFO L481 AbstractCegarLoop]: Abstraction has 615 states and 978 transitions. [2020-10-27 20:52:25,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:52:25,131 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 978 transitions. [2020-10-27 20:52:25,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 20:52:25,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:52:25,141 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:52:25,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:52:25,141 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:52:25,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:52:25,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1990990844, now seen corresponding path program 1 times [2020-10-27 20:52:25,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:52:25,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199074026] [2020-10-27 20:52:25,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:52:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:25,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:25,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:25,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:25,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:25,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:26,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:26,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:30,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:30,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-27 20:52:30,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:52:30,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-27 20:52:30,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:30,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:30,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-27 20:52:30,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:52:30,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:31,484 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:52:31,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:52:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:31,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:31,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:31,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:31,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 20:52:31,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:31,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:31,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:31,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:31,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:31,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:52:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:31,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:31,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:31,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:31,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:31,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:31,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:31,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:31,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:31,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:31,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:52:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:31,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:31,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:31,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:31,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:31,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:31,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:31,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:31,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:31,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:31,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:52:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:31,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:31,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:31,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:31,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:31,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:31,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:31,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:31,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:31,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:31,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:52:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:31,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:31,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:31,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:31,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:31,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:31,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:31,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:31,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:31,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:52:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:31,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:31,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:31,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:31,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:31,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:31,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:31,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:31,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:31,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:31,866 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:52:31,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:52:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:31,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:31,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:32,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:35,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:35,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:36,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:36,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 20:52:36,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 20:52:36,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 20:52:36,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-27 20:52:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:52:36,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:37,069 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:52:37,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:52:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:37,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:37,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:37,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:37,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:37,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:37,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:37,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:37,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:52:37,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:52:37,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 801 [2020-10-27 20:52:37,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:37,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:37,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:52:37,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:52:37,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:37,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:37,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:37,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:37,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:37,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:52:37,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:52:37,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:52:37,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:37,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:37,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:37,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:52:37,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:37,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:52:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:37,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:37,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:37,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 20:52:37,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:37,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 20:52:37,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:37,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:37,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:37,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 20:52:37,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:52:38,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:52:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:38,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:38,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:38,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:52:38,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:38,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:52:38,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:38,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:52:38,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:38,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:52:38,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:38,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:38,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:38,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:38,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:52:38,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:38,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:38,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:38,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:38,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:38,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 20:52:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:38,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:38,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:38,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:38,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:38,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:38,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:38,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:52:38,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:52:38,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 737 [2020-10-27 20:52:38,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:38,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:38,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:52:38,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:52:38,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:38,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:38,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:38,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:38,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:38,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:52:38,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:52:38,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:52:38,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:38,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:38,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:38,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:52:38,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:38,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:52:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:38,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:38,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:38,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 20:52:38,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:38,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 20:52:38,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:38,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:38,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:38,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 20:52:38,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:38,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:52:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:38,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:38,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:38,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:52:38,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:38,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:52:38,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:38,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:52:38,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:38,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:52:38,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:38,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:38,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:38,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:38,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:52:38,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:38,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:38,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:38,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:38,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:38,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:52:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:38,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:38,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:39,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:52:39,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:39,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 20:52:39,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:39,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:39,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:52:39,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:39,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:39,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:39,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:39,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:39,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:52:39,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:39,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:52:39,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:39,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:39,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:39,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:39,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 24 [2020-10-27 20:52:39,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:39,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:39,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:39,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:39,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:39,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:39,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:39,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:39,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:39,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:39,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:39,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:52:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:39,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:39,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:39,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:52:39,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:39,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:52:39,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:39,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:39,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:39,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:39,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:39,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:39,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:39,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:39,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:39,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:39,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:39,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:39,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:39,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:39,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:39,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:39,217 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-27 20:52:39,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199074026] [2020-10-27 20:52:39,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:52:39,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 20:52:39,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141787525] [2020-10-27 20:52:39,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:52:39,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:52:39,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:52:39,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:52:39,221 INFO L87 Difference]: Start difference. First operand 615 states and 978 transitions. Second operand 13 states. [2020-10-27 20:52:41,446 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:52:42,650 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:52:44,028 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:53:02,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:53:02,127 INFO L93 Difference]: Finished difference Result 1479 states and 2469 transitions. [2020-10-27 20:53:02,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:53:02,128 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 123 [2020-10-27 20:53:02,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:53:02,138 INFO L225 Difference]: With dead ends: 1479 [2020-10-27 20:53:02,139 INFO L226 Difference]: Without dead ends: 885 [2020-10-27 20:53:02,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-10-27 20:53:02,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2020-10-27 20:53:02,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 615. [2020-10-27 20:53:02,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2020-10-27 20:53:02,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 972 transitions. [2020-10-27 20:53:02,342 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 972 transitions. Word has length 123 [2020-10-27 20:53:02,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:53:02,342 INFO L481 AbstractCegarLoop]: Abstraction has 615 states and 972 transitions. [2020-10-27 20:53:02,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:53:02,342 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 972 transitions. [2020-10-27 20:53:02,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 20:53:02,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:53:02,346 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:53:02,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:53:02,346 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:53:02,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:53:02,347 INFO L82 PathProgramCache]: Analyzing trace with hash -900036838, now seen corresponding path program 1 times [2020-10-27 20:53:02,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:53:02,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1624295898] [2020-10-27 20:53:02,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:53:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:02,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:02,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:02,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:02,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:02,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:03,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:07,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:07,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 20:53:07,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:53:07,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 20:53:07,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:07,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:53:07,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-27 20:53:07,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:53:07,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:08,692 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:53:08,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:53:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:08,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:08,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:08,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:08,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 20:53:08,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:08,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:08,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:08,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:08,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:08,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:53:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:08,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:08,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:08,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:08,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:08,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:08,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:08,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:08,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:08,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:08,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:53:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:08,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:08,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:08,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:08,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:08,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:08,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:08,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:53:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:08,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:08,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:08,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:08,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:08,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:08,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:08,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:08,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:08,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:08,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:53:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:08,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:08,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:08,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:08,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:08,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:08,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:08,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:53:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:08,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:08,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:08,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:08,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:08,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:53:08,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:08,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:08,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:08,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:08,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:09,061 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:53:09,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:53:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:09,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:09,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:09,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:09,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:09,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:10,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:10,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:10,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:14,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 20:53:14,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:53:14,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 20:53:14,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:53:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 20:53:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:53:14,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:14,277 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:53:14,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:53:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:14,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:14,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:53:15,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:53:15,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 966 [2020-10-27 20:53:15,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:15,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:53:15,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:53:15,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:15,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:15,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:53:15,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:53:15,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:53:15,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:53:15,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:15,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:53:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:15,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 20:53:15,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:15,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 20:53:15,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:53:15,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:15,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:53:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:15,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:53:15,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:15,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:53:15,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:53:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:15,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:53:15,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:15,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:15,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:53:15,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:15,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:53:15,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:15,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:15,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:15,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:15,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:53:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:15,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:53:15,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:53:15,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-27 20:53:15,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:53:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 20:53:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:53:15,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:15,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:15,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:15,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:15,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:53:15,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:15,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:53:15,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:15,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:15,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:15,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:53:15,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:16,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:53:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:16,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:16,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:16,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:16,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:16,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 20:53:16,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:53:16,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 20:53:16,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:16,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:53:16,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:16,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:53:16,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:16,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:53:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:16,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:16,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:16,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:16,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:53:16,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:53:16,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 20:53:16,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:16,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:53:16,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:16,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:53:16,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:16,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:16,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:16,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:16,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:53:16,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:16,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:53:16,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:16,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:53:16,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:16,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:53:16,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:16,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 20:53:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:16,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:16,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:16,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:53:16,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:16,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 20:53:16,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:16,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:16,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:53:16,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:16,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:16,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:16,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:16,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:16,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:53:16,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:16,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:53:16,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:16,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:16,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:16,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:16,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:16,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:16,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:16,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:16,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:16,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:16,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:16,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:16,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:16,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:16,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:16,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:16,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:53:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:16,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:16,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:16,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:53:16,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:16,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:53:16,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:16,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:16,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:16,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:16,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:16,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:16,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:16,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:16,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:16,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:16,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:16,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:16,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:16,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-27 20:53:16,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1624295898] [2020-10-27 20:53:16,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:53:16,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 20:53:16,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366847899] [2020-10-27 20:53:16,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 20:53:16,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:53:16,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 20:53:16,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:53:16,446 INFO L87 Difference]: Start difference. First operand 615 states and 972 transitions. Second operand 18 states. [2020-10-27 20:53:20,443 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:53:21,751 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 20:53:23,215 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:53:24,527 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:53:26,310 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:53:29,292 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:53:30,602 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:53:32,583 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:53:33,773 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:53:35,017 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:53:36,243 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:53:37,506 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 20:53:59,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:53:59,593 INFO L93 Difference]: Finished difference Result 1546 states and 2578 transitions. [2020-10-27 20:53:59,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-27 20:53:59,594 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 127 [2020-10-27 20:53:59,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:53:59,603 INFO L225 Difference]: With dead ends: 1546 [2020-10-27 20:53:59,603 INFO L226 Difference]: Without dead ends: 945 [2020-10-27 20:53:59,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 17.8s TimeCoverageRelationStatistics Valid=331, Invalid=1831, Unknown=0, NotChecked=0, Total=2162 [2020-10-27 20:53:59,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2020-10-27 20:53:59,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 656. [2020-10-27 20:53:59,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2020-10-27 20:53:59,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 1031 transitions. [2020-10-27 20:53:59,784 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 1031 transitions. Word has length 127 [2020-10-27 20:53:59,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:53:59,784 INFO L481 AbstractCegarLoop]: Abstraction has 656 states and 1031 transitions. [2020-10-27 20:53:59,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 20:53:59,784 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1031 transitions. [2020-10-27 20:53:59,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 20:53:59,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:53:59,788 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:53:59,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:53:59,788 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]=== [2020-10-27 20:53:59,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:53:59,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1440560558, now seen corresponding path program 1 times [2020-10-27 20:53:59,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:53:59,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1464294335] [2020-10-27 20:53:59,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:53:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:59,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:59,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:00,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:00,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:00,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:00,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:00,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:03,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:04,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:04,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-27 20:54:04,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:54:04,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 20:54:04,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:04,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:54:04,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-27 20:54:04,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:54:04,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:06,033 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:54:06,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:54:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:06,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:06,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:06,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:06,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:06,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 20:54:06,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:06,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:06,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:54:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:06,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:06,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:06,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:54:06,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:06,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:06,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:06,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:06,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:06,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:06,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:06,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:54:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:06,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:06,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:06,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:54:06,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:06,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:06,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:06,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:06,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:06,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:06,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:06,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:54:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:06,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:06,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:06,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:06,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:06,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:06,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:06,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:06,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:06,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:06,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:06,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:54:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:06,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:06,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:06,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:54:06,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:06,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:06,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:06,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:06,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:06,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:06,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:06,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:54:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:06,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:06,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:06,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:06,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:06,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:54:06,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:06,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:06,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:06,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:06,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:06,416 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:54:06,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:54:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:06,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:06,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:06,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:06,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:06,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:06,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:06,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:06,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:06,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:07,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:11,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:11,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 20:54:11,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 20:54:11,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 20:54:11,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:11,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:54:11,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-27 20:54:11,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:54:11,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:11,612 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:54:11,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:54:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:11,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:11,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:11,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:11,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:11,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:11,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:12,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:12,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 20:54:12,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:54:12,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 524 [2020-10-27 20:54:12,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:54:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 20:54:12,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:54:12,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:12,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:12,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:12,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:12,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:12,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:54:12,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:54:12,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:54:12,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:12,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:54:12,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:54:12,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:54:12,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:12,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:54:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:12,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:12,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:12,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 20:54:12,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:12,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 20:54:12,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:12,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:54:12,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:54:12,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:54:12,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:12,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:54:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:12,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:12,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:12,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:54:12,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:12,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:54:12,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:12,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:54:12,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:12,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:54:12,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:12,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:12,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:12,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:12,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:54:12,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:12,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:54:12,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:12,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:12,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:12,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:12,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:12,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:54:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:12,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:12,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:12,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:12,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:12,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:12,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:12,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:13,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:13,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 20:54:13,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:54:13,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 868 [2020-10-27 20:54:13,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:13,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:54:13,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 20:54:13,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:54:13,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:13,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:13,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:13,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:13,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:54:13,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:13,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:54:13,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:13,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:13,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:13,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:13,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:13,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:54:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:13,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:13,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:13,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:13,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:13,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:13,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 20:54:13,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:54:13,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-27 20:54:13,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:13,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:54:13,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:54:13,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:54:13,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:13,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:54:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:13,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:13,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:13,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:13,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:54:13,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:54:13,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 20:54:13,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:54:13,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:54:13,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:54:13,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:13,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:13,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:13,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:13,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:54:13,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:13,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:54:13,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:54:13,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:13,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:54:13,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:13,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 20:54:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:13,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:13,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:13,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:54:13,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:13,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:54:13,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:13,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:13,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:54:13,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:13,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:13,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:13,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:13,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:13,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:54:13,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:13,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:54:13,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:13,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:13,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:13,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:13,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:13,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:13,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:13,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:13,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:13,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:13,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:13,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:13,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:13,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:54:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:13,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:13,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:13,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:54:13,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:13,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:54:13,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:13,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:13,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:13,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:13,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:13,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:13,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:13,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:13,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:13,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:13,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:13,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:13,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:13,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:13,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:13,603 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 20:54:13,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1464294335] [2020-10-27 20:54:13,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:54:13,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 20:54:13,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215053628] [2020-10-27 20:54:13,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 20:54:13,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:54:13,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 20:54:13,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:54:13,605 INFO L87 Difference]: Start difference. First operand 656 states and 1031 transitions. Second operand 15 states. [2020-10-27 20:54:15,957 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:17,201 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:54:18,587 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:20,220 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:21,654 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:23,634 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:54:25,290 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:26,881 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:28,205 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:54:47,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:54:47,100 INFO L93 Difference]: Finished difference Result 1569 states and 2599 transitions. [2020-10-27 20:54:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 20:54:47,101 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 131 [2020-10-27 20:54:47,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:54:47,109 INFO L225 Difference]: With dead ends: 1569 [2020-10-27 20:54:47,109 INFO L226 Difference]: Without dead ends: 943 [2020-10-27 20:54:47,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=178, Invalid=878, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 20:54:47,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2020-10-27 20:54:47,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 660. [2020-10-27 20:54:47,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2020-10-27 20:54:47,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1030 transitions. [2020-10-27 20:54:47,289 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1030 transitions. Word has length 131 [2020-10-27 20:54:47,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:54:47,290 INFO L481 AbstractCegarLoop]: Abstraction has 660 states and 1030 transitions. [2020-10-27 20:54:47,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 20:54:47,290 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1030 transitions. [2020-10-27 20:54:47,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-27 20:54:47,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:54:47,296 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:54:47,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:54:47,297 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]=== [2020-10-27 20:54:47,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:54:47,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1316498353, now seen corresponding path program 1 times [2020-10-27 20:54:47,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:54:47,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796712553] [2020-10-27 20:54:47,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:54:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:47,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:47,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:47,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:47,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:47,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:47,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:48,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:50,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:51,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:52,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:52,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 20:54:52,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 20:54:52,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5097 [2020-10-27 20:54:52,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:52,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:54:52,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-27 20:54:52,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:54:52,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:53,723 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:54:53,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:54:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:53,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:53,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:53,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:53,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 20:54:53,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:53,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:53,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:53,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:53,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:53,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:54:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:53,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:53,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:54:53,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:53,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:53,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:53,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:53,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:53,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:53,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:53,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:54:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:53,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:53,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:54:53,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:53,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:53,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:53,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:53,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:54:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:53,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:53,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:53,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:53,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:53,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:53,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:53,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:54:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:53,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:53,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:54:53,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:53,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:53,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:53,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:53,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:54:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:53,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:53,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:53,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:53,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:53,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:54:53,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:53,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:53,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:53,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:53,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:54,110 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:54:54,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:54:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:54,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:54,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:54,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:54,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:54,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:54,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:54,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:54,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:54,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:54,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:56,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:59,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:59,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 20:54:59,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 20:54:59,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 20:54:59,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:59,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:54:59,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 20:54:59,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:54:59,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:59,327 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:54:59,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:54:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:59,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:59,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:59,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:59,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:59,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:00,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:00,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:55:00,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:55:00,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1128 [2020-10-27 20:55:00,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:55:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 20:55:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 20:55:00,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:00,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:00,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:00,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:00,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:00,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 20:55:00,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:55:00,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:55:00,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:00,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:55:00,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:55:00,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:55:00,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:00,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:55:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:00,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:00,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:00,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:00,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 20:55:00,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:55:00,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 20:55:00,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:00,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:55:00,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 20:55:00,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:55:00,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:00,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:55:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:00,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:00,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:00,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:00,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:55:00,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:55:00,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 20:55:00,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:00,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:55:00,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:55:00,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:55:00,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:00,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:00,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:00,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:00,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:55:00,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:00,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:55:00,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:55:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:55:00,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:00,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 20:55:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:00,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:00,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:00,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:00,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:01,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:01,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:01,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:01,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:02,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:55:02,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:55:02,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1218 [2020-10-27 20:55:02,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:55:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 20:55:02,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:55:02,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:02,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:02,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:02,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:55:02,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:02,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:55:02,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:02,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:02,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:55:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:02,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:02,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 20:55:02,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:55:02,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 359 [2020-10-27 20:55:02,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:02,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:55:02,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:55:02,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 20:55:02,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:02,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:55:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:02,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:02,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 20:55:02,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:55:02,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 20:55:02,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:02,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:55:02,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:55:02,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 20:55:02,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:02,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:02,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:02,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:55:02,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:02,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:55:02,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:02,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:55:02,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:02,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:55:02,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:02,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 20:55:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:02,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:02,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:55:02,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:02,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 20:55:02,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:02,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:02,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:55:02,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:02,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:02,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:02,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:02,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:55:02,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:02,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:55:02,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:02,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:02,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:02,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:02,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:02,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:02,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:02,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:02,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:02,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:55:02,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:02,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:02,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:02,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:02,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:02,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:55:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:02,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:02,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:55:02,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:02,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:55:02,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:02,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:02,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:02,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:02,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:02,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:02,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:02,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:02,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:02,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:02,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:55:02,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:02,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:02,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:02,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:02,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:02,785 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 20:55:02,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796712553] [2020-10-27 20:55:02,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:55:02,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 20:55:02,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414915823] [2020-10-27 20:55:02,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 20:55:02,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:55:02,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 20:55:02,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-10-27 20:55:02,787 INFO L87 Difference]: Start difference. First operand 660 states and 1030 transitions. Second operand 16 states. [2020-10-27 20:55:07,101 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:55:08,522 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:55:10,083 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 20:55:11,892 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:55:13,416 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 418