/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:35:16,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:35:16,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:35:16,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:35:16,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:35:16,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:35:16,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:35:16,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:35:16,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:35:16,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:35:16,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:35:16,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:35:16,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:35:16,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:35:16,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:35:16,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:35:16,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:35:16,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:35:16,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:35:16,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:35:16,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:35:16,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:35:16,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:35:16,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:35:16,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:35:16,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:35:16,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:35:16,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:35:16,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:35:16,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:35:16,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:35:16,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:35:16,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:35:16,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:35:16,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:35:16,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:35:16,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:35:16,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:35:16,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:35:16,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:35:16,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:35:16,867 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 15:35:16,926 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:35:16,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:35:16,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:35:16,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:35:16,931 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:35:16,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:35:16,932 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:35:16,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:35:16,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:35:16,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:35:16,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:35:16,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:35:16,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:35:16,935 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:35:16,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:35:16,935 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:35:16,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:35:16,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:35:16,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:35:16,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:35:16,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:35:16,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:35:16,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:35:16,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:35:16,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:35:16,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:35:16,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:35:16,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:35:16,939 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:35:16,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:35:17,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:35:17,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:35:17,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:35:17,407 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:35:17,407 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:35:17,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product01.cil.c [2020-10-28 15:35:17,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f0067d0d/6da2b43ec1304a5a95ac7ee0dfcf21a8/FLAG941cbb810 [2020-10-28 15:35:18,321 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:35:18,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product01.cil.c [2020-10-28 15:35:18,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f0067d0d/6da2b43ec1304a5a95ac7ee0dfcf21a8/FLAG941cbb810 [2020-10-28 15:35:18,522 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f0067d0d/6da2b43ec1304a5a95ac7ee0dfcf21a8 [2020-10-28 15:35:18,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:35:18,532 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:35:18,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:35:18,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:35:18,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:35:18,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:35:18" (1/1) ... [2020-10-28 15:35:18,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb91991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:35:18, skipping insertion in model container [2020-10-28 15:35:18,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:35:18" (1/1) ... [2020-10-28 15:35:18,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:35:18,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:35:19,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:35:19,446 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:35:19,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:35:19,752 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:35:19,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:35:19 WrapperNode [2020-10-28 15:35:19,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:35:19,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:35:19,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:35:19,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:35:19,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:35:19" (1/1) ... [2020-10-28 15:35:19,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:35:19" (1/1) ... [2020-10-28 15:35:19,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:35:19" (1/1) ... [2020-10-28 15:35:19,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:35:19" (1/1) ... [2020-10-28 15:35:19,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:35:19" (1/1) ... [2020-10-28 15:35:19,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:35:19" (1/1) ... [2020-10-28 15:35:19,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:35:19" (1/1) ... [2020-10-28 15:35:20,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:35:20,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:35:20,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:35:20,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:35:20,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:35:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:35:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:35:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:35:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 15:35:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:35:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 15:35:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-28 15:35:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-28 15:35:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-28 15:35:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 15:35:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-28 15:35:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-28 15:35:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-28 15:35:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-28 15:35:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 15:35:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 15:35:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 15:35:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 15:35:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 15:35:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 15:35:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-28 15:35:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-28 15:35:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-28 15:35:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-28 15:35:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-28 15:35:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-28 15:35:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-28 15:35:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-28 15:35:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 15:35:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-28 15:35:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-28 15:35:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-28 15:35:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 15:35:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-28 15:35:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 15:35:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 15:35:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:35:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-28 15:35:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-28 15:35:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-28 15:35:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-28 15:35:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-28 15:35:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-28 15:35:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-28 15:35:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-28 15:35:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-28 15:35:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-28 15:35:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-28 15:35:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-28 15:35:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-28 15:35:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-28 15:35:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-28 15:35:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-28 15:35:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-28 15:35:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-28 15:35:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-28 15:35:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-28 15:35:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 15:35:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-28 15:35:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-28 15:35:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-28 15:35:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-28 15:35:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 15:35:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 15:35:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 15:35:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 15:35:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-28 15:35:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-28 15:35:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-28 15:35:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-28 15:35:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-28 15:35:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-28 15:35:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-28 15:35:20,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-28 15:35:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:35:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:35:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:35:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:35:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:35:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 15:35:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-28 15:35:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-28 15:35:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-28 15:35:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-28 15:35:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 15:35:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 15:35:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-28 15:35:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-28 15:35:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-28 15:35:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-28 15:35:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-28 15:35:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-28 15:35:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 15:35:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 15:35:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 15:35:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 15:35:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 15:35:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:35:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 15:35:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 15:35:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:35:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 15:35:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 15:35:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:35:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 15:35:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 15:35:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 15:35:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 15:35:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-28 15:35:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-28 15:35:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-28 15:35:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-28 15:35:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-28 15:35:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-28 15:35:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-28 15:35:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 15:35:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-28 15:35:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-28 15:35:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-28 15:35:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-28 15:35:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-28 15:35:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-28 15:35:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-28 15:35:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-28 15:35:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 15:35:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-28 15:35:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 15:35:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 15:35:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 15:35:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 15:35:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 15:35:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:35:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 15:35:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-28 15:35:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-28 15:35:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-28 15:35:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-28 15:35:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-28 15:35:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-28 15:35:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-28 15:35:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-28 15:35:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-28 15:35:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-28 15:35:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-28 15:35:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-28 15:35:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-28 15:35:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-28 15:35:20,149 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-28 15:35:20,149 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-28 15:35:20,149 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-28 15:35:20,149 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-28 15:35:20,149 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-28 15:35:20,149 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-28 15:35:20,149 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-28 15:35:20,149 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-28 15:35:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-28 15:35:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-28 15:35:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 15:35:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-28 15:35:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:35:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:35:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:35:23,152 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:35:23,152 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-28 15:35:23,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:35:23 BoogieIcfgContainer [2020-10-28 15:35:23,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:35:23,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:35:23,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:35:23,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:35:23,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:35:18" (1/3) ... [2020-10-28 15:35:23,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c3123e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:35:23, skipping insertion in model container [2020-10-28 15:35:23,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:35:19" (2/3) ... [2020-10-28 15:35:23,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c3123e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:35:23, skipping insertion in model container [2020-10-28 15:35:23,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:35:23" (3/3) ... [2020-10-28 15:35:23,166 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product01.cil.c [2020-10-28 15:35:23,180 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:35:23,186 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 15:35:23,201 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 15:35:23,235 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:35:23,236 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:35:23,236 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:35:23,236 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:35:23,236 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:35:23,236 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:35:23,236 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:35:23,236 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:35:23,272 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states. [2020-10-28 15:35:23,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-28 15:35:23,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:35:23,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:35:23,301 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:35:23,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:35:23,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1795490372, now seen corresponding path program 1 times [2020-10-28 15:35:23,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:35:23,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1445884532] [2020-10-28 15:35:23,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:35:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:23,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:24,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:24,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:24,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:25,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:26,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:28,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:28,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-28 15:35:28,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:35:28,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5078 [2020-10-28 15:35:28,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:28,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:28,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:35:28,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-28 15:35:28,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:35:28,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:35:30,226 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-28 15:35:30,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:35:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:30,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:30,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:30,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:35:30,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:35:30,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 15:35:30,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:30,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:30,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:35:30,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:35:30,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:35:30,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:35:30,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:35:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:30,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:30,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:30,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:35:30,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:35:30,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:35:30,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:30,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:30,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:35:30,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:35:30,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:35:30,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:35:30,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:35:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:30,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:30,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:30,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:35:30,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:35:30,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:35:30,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:30,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:30,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:35:30,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:35:30,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:35:30,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:35:30,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:35:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:30,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:30,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:30,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:35:30,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:35:30,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:35:30,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:30,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:30,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:35:30,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:35:30,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:35:30,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:35:30,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:35:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:30,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:30,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:30,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:35:30,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:35:30,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:35:30,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:30,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:30,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:35:30,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:35:30,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:35:30,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:35:30,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:35:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:30,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:30,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:30,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:35:30,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:35:30,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:35:30,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:30,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:30,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:35:30,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:35:30,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:35:30,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-10-28 15:35:30,678 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-28 15:35:30,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:35:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:30,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:30,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:30,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:30,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:32,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:32,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:32,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:33,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:33,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:35,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:35,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-28 15:35:35,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 15:35:35,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 15:35:35,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:35,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:35,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:35:35,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:35:35,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:35:35,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:35:35,925 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:35:35,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:35:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:35,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:35,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:35,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:36,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:36,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:36,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:35:36,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:35:36,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 635 [2020-10-28 15:35:36,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:36,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:36,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:35:36,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:35:36,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:35:36,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:35:36,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:35:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:36,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:36,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:36,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:36,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:35:36,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:35:36,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:35:36,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:36,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:36,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:35:36,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:35:36,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:35:36,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:35:36,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:35:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:36,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:36,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:36,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:35:36,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:35:36,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 15:35:36,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:36,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:36,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:35:36,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:35:36,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 15:35:36,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:35:36,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:35:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:36,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:36,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:36,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:35:36,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:35:36,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:35:36,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:36,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:36,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:35:36,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:35:36,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:35:36,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:35:36,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 15:35:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:36,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:36,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:36,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:36,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:37,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:39,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:39,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:41,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:41,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 15:35:41,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:35:41,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 15:35:41,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:41,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:35:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-28 15:35:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:35:41,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:35:41,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:35:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:41,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:41,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:41,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:41,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:41,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:42,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:44,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:44,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:35:44,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:35:44,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2859 [2020-10-28 15:35:44,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:44,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:35:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:35:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:35:44,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:35:44,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:35:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:44,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:44,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:44,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:35:44,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:35:44,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:35:44,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:44,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:44,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:35:44,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:35:44,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:35:44,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:35:44,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:35:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:44,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:44,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:44,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:35:44,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:35:44,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:35:44,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:44,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:44,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:35:44,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:35:44,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:35:44,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:35:44,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:35:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:44,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:44,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:44,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:35:44,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:35:44,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:35:44,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:44,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:44,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:35:44,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:35:44,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:35:44,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:35:44,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:35:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:44,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:44,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:44,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:35:44,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:35:44,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:35:44,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:44,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:35:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:35:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:35:44,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:35:44,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:35:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:44,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:44,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:44,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:35:44,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:35:44,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:35:44,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:44,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:44,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:35:44,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:35:44,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:35:44,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:35:44,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:35:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:35:44,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:35:44,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:35:44,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:35:44,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:35:44,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:35:44,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:35:44,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:35:44,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:35:44,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:35:44,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:35:44,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:35:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:35:44,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1445884532] [2020-10-28 15:35:44,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:35:44,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 15:35:44,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232537200] [2020-10-28 15:35:44,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:35:44,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:35:44,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:35:44,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:35:44,931 INFO L87 Difference]: Start difference. First operand 725 states. Second operand 10 states. [2020-10-28 15:35:45,848 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:35:47,240 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:35:48,923 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:35:50,170 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:36:10,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:36:10,780 INFO L93 Difference]: Finished difference Result 1616 states and 2930 transitions. [2020-10-28 15:36:10,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 15:36:10,783 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 108 [2020-10-28 15:36:10,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:36:10,827 INFO L225 Difference]: With dead ends: 1616 [2020-10-28 15:36:10,827 INFO L226 Difference]: Without dead ends: 1086 [2020-10-28 15:36:10,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-28 15:36:10,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2020-10-28 15:36:11,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 562. [2020-10-28 15:36:11,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-10-28 15:36:11,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 906 transitions. [2020-10-28 15:36:11,234 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 906 transitions. Word has length 108 [2020-10-28 15:36:11,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:36:11,235 INFO L481 AbstractCegarLoop]: Abstraction has 562 states and 906 transitions. [2020-10-28 15:36:11,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 15:36:11,235 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 906 transitions. [2020-10-28 15:36:11,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-28 15:36:11,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:36:11,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:36:11,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:36:11,244 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:36:11,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:36:11,245 INFO L82 PathProgramCache]: Analyzing trace with hash -937827208, now seen corresponding path program 1 times [2020-10-28 15:36:11,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:36:11,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [698355979] [2020-10-28 15:36:11,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:36:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:11,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:11,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:11,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:11,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:12,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:13,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:16,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:16,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-28 15:36:16,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:36:16,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-28 15:36:16,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:16,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:36:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:36:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:36:16,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:17,612 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-28 15:36:17,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:36:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:17,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:17,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:17,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:36:17,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:17,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-28 15:36:17,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:17,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:17,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:17,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:36:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:17,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:17,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:17,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:36:17,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:17,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:36:17,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:17,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:17,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:17,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:17,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:17,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:17,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:36:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:17,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:17,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:17,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:36:17,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:17,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:36:17,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:17,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:17,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:17,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:17,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:17,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:17,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:36:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:17,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:17,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:17,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:36:17,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:17,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:36:17,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:17,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:17,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:17,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:17,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:17,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:17,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:36:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:17,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:17,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:17,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:36:17,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:17,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:36:17,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:17,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:17,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:17,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:17,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:17,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:17,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:36:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:17,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:17,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:17,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:36:17,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:17,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:36:17,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:17,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:17,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:17,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:17,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:17,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:18,025 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-28 15:36:18,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:36:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:18,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:18,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:18,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:18,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:18,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:18,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:21,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:21,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:21,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:23,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:23,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-28 15:36:23,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 15:36:23,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 15:36:23,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:23,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:23,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:36:23,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:36:23,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:36:23,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:23,202 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:36:23,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:36:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:23,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:23,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:23,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:23,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:23,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:23,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 15:36:23,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:36:23,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-28 15:36:23,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:23,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:36:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:36:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:36:23,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:23,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:36:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:23,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:23,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:23,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:23,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:36:23,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:36:23,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:36:23,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:23,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:23,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:23,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:23,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:23,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:23,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:36:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:23,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:23,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:23,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:36:23,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:23,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 15:36:23,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:23,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:23,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:36:23,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:36:23,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 15:36:23,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:23,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:36:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:23,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:23,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:23,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:36:23,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:23,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:36:23,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:23,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:23,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:36:23,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:23,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:36:23,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:23,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:36:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:23,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:23,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:23,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:23,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:23,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:25,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:27,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:36:27,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:36:27,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3338 [2020-10-28 15:36:27,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:27,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:27,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:27,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-28 15:36:27,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:27,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:27,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:36:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:27,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:28,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:36:28,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:36:28,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1669 [2020-10-28 15:36:28,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:28,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:28,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:28,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:36:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:28,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:28,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:36:28,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:28,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:36:28,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:28,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:28,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:28,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:28,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:28,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:28,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:36:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:28,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:28,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:36:28,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:28,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:36:28,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:28,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:28,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:28,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:28,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:28,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:28,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:36:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:28,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:28,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:36:28,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:28,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:36:28,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:28,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:28,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:28,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:36:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:28,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:28,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:36:28,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:28,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:36:28,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:28,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:28,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:28,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:28,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:28,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:28,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:36:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:28,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:28,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:36:28,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:28,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:36:28,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:28,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:28,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:28,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:28,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:28,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:28,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:36:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:28,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:28,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:36:28,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:28,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:36:28,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:28,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:28,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:28,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:28,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:36:28,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [698355979] [2020-10-28 15:36:28,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:36:28,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 15:36:28,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188587522] [2020-10-28 15:36:28,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:36:28,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:36:28,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:36:28,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:36:28,852 INFO L87 Difference]: Start difference. First operand 562 states and 906 transitions. Second operand 10 states. [2020-10-28 15:36:29,642 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:36:31,072 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:36:32,609 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:36:33,750 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:36:53,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:36:53,239 INFO L93 Difference]: Finished difference Result 1565 states and 2821 transitions. [2020-10-28 15:36:53,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 15:36:53,240 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-10-28 15:36:53,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:36:53,255 INFO L225 Difference]: With dead ends: 1565 [2020-10-28 15:36:53,255 INFO L226 Difference]: Without dead ends: 1086 [2020-10-28 15:36:53,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-28 15:36:53,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2020-10-28 15:36:53,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 562. [2020-10-28 15:36:53,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-10-28 15:36:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 901 transitions. [2020-10-28 15:36:53,494 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 901 transitions. Word has length 111 [2020-10-28 15:36:53,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:36:53,494 INFO L481 AbstractCegarLoop]: Abstraction has 562 states and 901 transitions. [2020-10-28 15:36:53,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 15:36:53,494 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 901 transitions. [2020-10-28 15:36:53,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-28 15:36:53,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:36:53,499 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:36:53,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:36:53,499 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:36:53,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:36:53,500 INFO L82 PathProgramCache]: Analyzing trace with hash 231045676, now seen corresponding path program 1 times [2020-10-28 15:36:53,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:36:53,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1324502878] [2020-10-28 15:36:53,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:36:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:53,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:53,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:53,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:53,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:53,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:54,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:55,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:58,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:58,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-28 15:36:58,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:36:58,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 15:36:58,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:58,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:58,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:36:58,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:36:58,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:36:58,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:59,728 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-28 15:36:59,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:36:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:59,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:59,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:59,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:36:59,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:59,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 15:36:59,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:59,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:59,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:59,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:36:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:59,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:59,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:59,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:36:59,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:59,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:36:59,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:59,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:59,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:59,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:59,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:59,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:59,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:36:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:59,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:59,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:59,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:36:59,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:59,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:36:59,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:59,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:59,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:59,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:59,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:59,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:59,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:36:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:59,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:59,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:59,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:36:59,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:59,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:36:59,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:59,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:59,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:59,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:59,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:59,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:59,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:36:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:59,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:59,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:59,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:36:59,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:59,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:36:59,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:59,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:59,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:59,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:59,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:59,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:59,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:36:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:59,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:59,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:59,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:36:59,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:59,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:36:59,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:59,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:59,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:59,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:59,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:59,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:00,104 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-28 15:37:00,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:37:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:00,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:00,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:00,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:00,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:00,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:00,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:02,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:02,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:02,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:05,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:05,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-28 15:37:05,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 15:37:05,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 15:37:05,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:05,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:05,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:37:05,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:37:05,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:37:05,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:05,301 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:37:05,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:37:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:05,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:05,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:05,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:05,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:05,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:05,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 15:37:05,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:37:05,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 573 [2020-10-28 15:37:05,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:05,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:05,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:37:05,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:37:05,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:37:05,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:05,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:05,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:05,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:05,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:05,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:37:05,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:37:05,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:37:05,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:05,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:05,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:05,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:05,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:05,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:05,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:37:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:05,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:05,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:05,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 15:37:05,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:05,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 15:37:05,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:05,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:05,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:37:05,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:37:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 15:37:05,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:06,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:37:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:06,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:06,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:06,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:37:06,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:06,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:37:06,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:06,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:06,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:37:06,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:06,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:37:06,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:06,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:37:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:06,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:06,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:06,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:06,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:06,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:07,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:09,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:37:09,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:37:09,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3011 [2020-10-28 15:37:09,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:09,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:09,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:09,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-28 15:37:09,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:09,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:09,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:09,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:10,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:10,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:37:10,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:37:10,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1633 [2020-10-28 15:37:10,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:10,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:10,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:10,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:10,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:10,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:10,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:10,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:10,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:10,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:37:10,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:10,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:10,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:10,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:10,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:10,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:10,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:10,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:10,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:10,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:10,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:10,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:37:10,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:10,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:37:10,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:10,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:10,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:10,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:10,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:10,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:10,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:37:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:10,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:10,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:10,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:37:10,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:10,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:10,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:10,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:10,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:10,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:10,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:10,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:10,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:37:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:10,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:10,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:10,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:37:10,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:10,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:10,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:10,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:10,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:10,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:10,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:10,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:10,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:37:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:10,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:10,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:10,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:37:10,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:10,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:10,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:10,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:10,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:10,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:10,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:10,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:10,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:10,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:10,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:10,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:10,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:10,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:37:10,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:10,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:10,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:10,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:10,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:10,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:10,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:37:10,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1324502878] [2020-10-28 15:37:10,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:37:10,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 15:37:10,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015578162] [2020-10-28 15:37:10,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:37:10,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:37:10,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:37:10,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:37:10,838 INFO L87 Difference]: Start difference. First operand 562 states and 901 transitions. Second operand 10 states. [2020-10-28 15:37:11,638 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:37:13,054 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:37:14,527 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:37:15,679 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:37:36,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:37:36,274 INFO L93 Difference]: Finished difference Result 1565 states and 2816 transitions. [2020-10-28 15:37:36,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 15:37:36,275 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2020-10-28 15:37:36,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:37:36,287 INFO L225 Difference]: With dead ends: 1565 [2020-10-28 15:37:36,287 INFO L226 Difference]: Without dead ends: 1086 [2020-10-28 15:37:36,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-28 15:37:36,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2020-10-28 15:37:36,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 562. [2020-10-28 15:37:36,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-10-28 15:37:36,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 896 transitions. [2020-10-28 15:37:36,509 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 896 transitions. Word has length 112 [2020-10-28 15:37:36,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:37:36,510 INFO L481 AbstractCegarLoop]: Abstraction has 562 states and 896 transitions. [2020-10-28 15:37:36,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 15:37:36,510 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 896 transitions. [2020-10-28 15:37:36,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-28 15:37:36,522 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:37:36,523 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:37:36,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 15:37:36,523 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:37:36,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:37:36,524 INFO L82 PathProgramCache]: Analyzing trace with hash 151135059, now seen corresponding path program 1 times [2020-10-28 15:37:36,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:37:36,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1931514228] [2020-10-28 15:37:36,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:37:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:36,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:36,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:36,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:36,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:36,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:37,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:38,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:41,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:41,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-28 15:37:41,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:37:41,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-28 15:37:41,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:41,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:41,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:37:41,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:37:41,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:37:41,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:42,874 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-28 15:37:42,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:37:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:42,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:42,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:42,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:42,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:42,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 15:37:42,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:42,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:42,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:42,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:42,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:42,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:42,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:37:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:42,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:42,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:42,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:37:42,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:42,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:37:42,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:42,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:42,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:42,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:42,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:42,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:42,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:37:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:42,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:42,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:42,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:37:42,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:42,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:37:42,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:42,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:42,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:42,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:42,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:42,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:42,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:37:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:42,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:42,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:42,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:42,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:42,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:42,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:42,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:42,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:42,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:42,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:42,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:37:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:42,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:42,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:42,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:37:42,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:42,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:37:42,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:42,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:42,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:42,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:37:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:42,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:42,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:42,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:42,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:42,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:42,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:42,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:42,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:42,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:42,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:42,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:43,259 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-28 15:37:43,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:37:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:43,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:43,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:43,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:43,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:48,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 15:37:48,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 15:37:48,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 15:37:48,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:48,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:48,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:37:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:37:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:37:48,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:48,427 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:37:48,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:37:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:48,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:48,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 15:37:48,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:37:48,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-10-28 15:37:48,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:48,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:37:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:37:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:37:48,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:48,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:48,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:48,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:37:48,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:37:48,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:48,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:48,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:48,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:48,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:48,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:48,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:48,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:37:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:48,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:48,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:37:48,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:48,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 15:37:48,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:48,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:48,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:37:48,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:37:48,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 15:37:48,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:48,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:37:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:48,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:48,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:37:48,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:48,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:37:48,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:48,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:48,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:37:48,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:48,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:37:48,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:48,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 15:37:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:48,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:49,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:50,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:51,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:51,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:37:51,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:37:51,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3084 [2020-10-28 15:37:51,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:51,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-28 15:37:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:51,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:51,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:51,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:51,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:51,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:51,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:51,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:51,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:53,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:53,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:37:53,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:37:53,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1524 [2020-10-28 15:37:53,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:53,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:53,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:53,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:53,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:53,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:53,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:37:53,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:53,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:53,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:53,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:53,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:53,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:53,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:53,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:53,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:53,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:53,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:53,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:37:53,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:53,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:37:53,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:53,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:53,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:53,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:53,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:53,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:53,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:37:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:53,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:53,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:53,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:37:53,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:53,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:53,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:53,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:53,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:53,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:37:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:53,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:53,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:53,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:37:53,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:53,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:53,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:53,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:53,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:53,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:53,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:53,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:53,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:37:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:53,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:53,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:53,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:37:53,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:53,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:53,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:53,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:53,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:53,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:53,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:53,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:53,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:53,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:53,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:53,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:53,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:53,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:37:53,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:53,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:53,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:53,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:53,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:37:53,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1931514228] [2020-10-28 15:37:53,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:37:53,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 15:37:53,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824418299] [2020-10-28 15:37:53,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:37:53,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:37:53,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:37:53,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:37:53,522 INFO L87 Difference]: Start difference. First operand 562 states and 896 transitions. Second operand 10 states. [2020-10-28 15:37:54,697 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:37:56,040 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:37:57,501 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:37:58,594 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:38:20,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:38:20,433 INFO L93 Difference]: Finished difference Result 1565 states and 2811 transitions. [2020-10-28 15:38:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 15:38:20,434 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 113 [2020-10-28 15:38:20,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:38:20,451 INFO L225 Difference]: With dead ends: 1565 [2020-10-28 15:38:20,451 INFO L226 Difference]: Without dead ends: 1086 [2020-10-28 15:38:20,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-28 15:38:20,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2020-10-28 15:38:20,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 562. [2020-10-28 15:38:20,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-10-28 15:38:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 891 transitions. [2020-10-28 15:38:20,681 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 891 transitions. Word has length 113 [2020-10-28 15:38:20,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:38:20,681 INFO L481 AbstractCegarLoop]: Abstraction has 562 states and 891 transitions. [2020-10-28 15:38:20,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 15:38:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 891 transitions. [2020-10-28 15:38:20,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-28 15:38:20,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:38:20,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:38:20,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 15:38:20,686 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:38:20,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:38:20,687 INFO L82 PathProgramCache]: Analyzing trace with hash 767043666, now seen corresponding path program 1 times [2020-10-28 15:38:20,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:38:20,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [961922587] [2020-10-28 15:38:20,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:38:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:20,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:20,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:20,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:20,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:21,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:21,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:22,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:25,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:25,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-28 15:38:25,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:38:25,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-28 15:38:25,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:25,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:25,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:38:25,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-28 15:38:25,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:38:25,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:26,922 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-28 15:38:26,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:38:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:26,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:26,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:26,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:26,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:26,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 15:38:26,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:26,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:26,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:26,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:26,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:26,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:26,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:38:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:26,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:26,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:26,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:38:26,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:26,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:38:26,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:26,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:26,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:26,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:26,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:26,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:26,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:38:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:27,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:27,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:27,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:38:27,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:27,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:38:27,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:27,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:27,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:27,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:27,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:27,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:27,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:38:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:27,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:27,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:27,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:27,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:27,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:38:27,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:27,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:27,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:27,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:27,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:27,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:27,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:38:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:27,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:27,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:27,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:38:27,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:27,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:38:27,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:27,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:27,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:27,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:38:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:27,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:27,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:27,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:27,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:27,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:38:27,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:27,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:27,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:27,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:27,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:27,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:27,318 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-28 15:38:27,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:38:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:27,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:27,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:27,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:27,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:28,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:28,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:28,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:28,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:28,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:32,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:32,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 15:38:32,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 15:38:32,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 15:38:32,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:32,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:32,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:38:32,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 15:38:32,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:38:32,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:32,484 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:38:32,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:38:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:32,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:32,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:32,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:32,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:32,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:32,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 15:38:32,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:38:32,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 440 [2020-10-28 15:38:32,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:32,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:32,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:38:32,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:38:32,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:38:32,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:32,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:38:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:32,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:32,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:32,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:32,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:38:32,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:38:32,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:38:32,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:32,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:32,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:32,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:32,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:32,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:32,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:38:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:32,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:32,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:32,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:38:32,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:32,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 15:38:32,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:32,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:32,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:38:32,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 15:38:32,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:38:32,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:33,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:38:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:33,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:33,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:33,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:38:33,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:33,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:38:33,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:33,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:38:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:38:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:38:33,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:33,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 15:38:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:33,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:33,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:33,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:33,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:33,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:34,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:36,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:36,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:38:36,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:38:36,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2980 [2020-10-28 15:38:36,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:36,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:36,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:36,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-28 15:38:36,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:36,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:36,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:38:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:36,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:36,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:36,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:36,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:36,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:36,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:37,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:37,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:38:37,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:38:37,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1353 [2020-10-28 15:38:37,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:37,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:37,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:37,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:37,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:37,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:37,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:38:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:37,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:37,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:37,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:38:37,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:37,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:38:37,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:37,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:37,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:37,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:37,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:37,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:37,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:38:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:37,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:37,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:37,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:38:37,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:37,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:38:37,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:37,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:37,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:37,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:37,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:37,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:37,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:38:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:37,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:37,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:37,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:38:37,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:37,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:38:37,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:37,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:37,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:37,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:37,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:37,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:37,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:38:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:37,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:37,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:37,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:38:37,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:37,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:38:37,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:37,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:37,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:37,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:37,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:37,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:37,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:38:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:37,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:37,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:37,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:38:37,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:37,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:38:37,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:37,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:37,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:37,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:37,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:37,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:37,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:38:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:37,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:37,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:37,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:37,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:37,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:38:37,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:37,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:37,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:37,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:37,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:37,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:38:37,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [961922587] [2020-10-28 15:38:37,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:38:37,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:38:37,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377983823] [2020-10-28 15:38:37,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:38:37,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:38:37,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:38:37,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:38:37,562 INFO L87 Difference]: Start difference. First operand 562 states and 891 transitions. Second operand 11 states. [2020-10-28 15:38:38,351 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:38:39,766 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-28 15:38:41,261 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-28 15:38:42,545 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:38:43,709 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121