/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=BIGGEST --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 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:55:56,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:55:56,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:55:56,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:55:56,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:55:56,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:55:56,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:55:56,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:55:56,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:55:56,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:55:56,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:55:56,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:55:56,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:55:56,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:55:56,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:55:56,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:55:56,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:55:56,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:55:56,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:55:56,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:55:56,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:55:56,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:55:56,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:55:56,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:55:56,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:55:56,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:55:56,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:55:56,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:55:56,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:55:56,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:55:56,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:55:56,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:55:56,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:55:56,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:55:56,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:55:56,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:55:56,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:55:56,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:55:56,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:55:56,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:55:56,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:55:56,779 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 [2020-10-12 17:55:56,811 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:55:56,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:55:56,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:55:56,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:55:56,813 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:55:56,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:55:56,814 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:55:56,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:55:56,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:55:56,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:55:56,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:55:56,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:55:56,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:55:56,815 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:55:56,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:55:56,815 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:55:56,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:55:56,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:55:56,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:55:56,816 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:55:56,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:55:56,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:55:56,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:55:56,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:55:56,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:55:56,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:55:56,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:55:56,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:55:56,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:55:56,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:55:57,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:55:57,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:55:57,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:55:57,129 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:55:57,129 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:55:57,130 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product63.cil.c [2020-10-12 17:55:57,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2864e9868/1f6879b7238444039878462667429efd/FLAG62e230923 [2020-10-12 17:55:57,645 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:55:57,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product63.cil.c [2020-10-12 17:55:57,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2864e9868/1f6879b7238444039878462667429efd/FLAG62e230923 [2020-10-12 17:55:58,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2864e9868/1f6879b7238444039878462667429efd [2020-10-12 17:55:58,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:55:58,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:55:58,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:55:58,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:55:58,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:55:58,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:55:58" (1/1) ... [2020-10-12 17:55:58,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30847a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:55:58, skipping insertion in model container [2020-10-12 17:55:58,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:55:58" (1/1) ... [2020-10-12 17:55:58,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:55:58,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:55:58,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:55:58,613 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:55:58,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:55:58,735 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:55:58,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:55:58 WrapperNode [2020-10-12 17:55:58,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:55:58,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:55:58,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:55:58,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:55:58,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:55:58" (1/1) ... [2020-10-12 17:55:58,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:55:58" (1/1) ... [2020-10-12 17:55:58,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:55:58" (1/1) ... [2020-10-12 17:55:58,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:55:58" (1/1) ... [2020-10-12 17:55:58,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:55:58" (1/1) ... [2020-10-12 17:55:58,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:55:58" (1/1) ... [2020-10-12 17:55:58,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:55:58" (1/1) ... [2020-10-12 17:55:58,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:55:58,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:55:58,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:55:58,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:55:58,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:55:58" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:55:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:55:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:55:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:55:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 17:55:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 17:55:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:55:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 17:55:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:55:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:55:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-12 17:55:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-12 17:55:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 17:55:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 17:55:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 17:55:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 17:55:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 17:55:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 17:55:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-12 17:55:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-12 17:55:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:55:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 17:55:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-12 17:55:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-12 17:55:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-12 17:55:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 17:55:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-12 17:55:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 17:55:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 17:55:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 17:55:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 17:55:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 17:55:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-12 17:55:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-12 17:55:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-12 17:55:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:55:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:55:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:55:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:55:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:55:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:55:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:55:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:55:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:55:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:55:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:55:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:55:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:55:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 17:55:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 17:55:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 17:55:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 17:55:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 17:55:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 17:55:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:55:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-12 17:55:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:55:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 17:55:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:55:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:55:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:55:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:55:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:55:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 17:55:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 17:55:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-12 17:55:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 17:55:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 17:55:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 17:55:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-12 17:55:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-12 17:55:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:55:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-12 17:55:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 17:55:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 17:55:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 17:55:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-12 17:55:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-12 17:55:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-12 17:55:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-12 17:55:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-12 17:55:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 17:55:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-12 17:55:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:55:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:55:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:55:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:55:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:55:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:55:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:55:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:55:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:55:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:55:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:55:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:55:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:55:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:55:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:55:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:55:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:55:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:55:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:55:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:55:59,915 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:55:59,915 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 17:55:59,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:55:59 BoogieIcfgContainer [2020-10-12 17:55:59,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:55:59,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:55:59,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:55:59,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:55:59,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:55:58" (1/3) ... [2020-10-12 17:55:59,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5e16a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:55:59, skipping insertion in model container [2020-10-12 17:55:59,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:55:58" (2/3) ... [2020-10-12 17:55:59,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5e16a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:55:59, skipping insertion in model container [2020-10-12 17:55:59,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:55:59" (3/3) ... [2020-10-12 17:55:59,929 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product63.cil.c [2020-10-12 17:55:59,939 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:55:59,946 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:55:59,960 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:55:59,983 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:55:59,983 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:55:59,983 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:55:59,984 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:55:59,984 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:55:59,984 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:55:59,984 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:55:59,984 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:56:00,008 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states. [2020-10-12 17:56:00,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-12 17:56:00,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:56:00,019 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] [2020-10-12 17:56:00,020 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:56:00,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:56:00,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1165852340, now seen corresponding path program 1 times [2020-10-12 17:56:00,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:56:00,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60753955] [2020-10-12 17:56:00,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:56:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:00,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:00,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:01,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:01,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:01,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:05,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:05,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:05,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 17:56:05,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:56:05,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5099 [2020-10-12 17:56:05,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:05,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 17:56:05,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:56:05,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 17:56:05,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 17:56:05,808 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:56:05,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:56:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:05,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:05,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:05,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:05,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:05,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-12 17:56:05,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:05,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:05,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:05,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:56:05,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:05,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:56:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:05,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:05,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:05,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:56:05,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:05,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:05,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:56:05,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:05,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:56:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:05,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:05,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:05,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:56:05,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:05,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:05,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:05,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:05,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:05,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:56:05,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:05,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:56:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:05,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:05,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:05,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:05,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:05,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:56:05,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:05,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:05,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:05,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:05,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:05,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:56:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:05,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:05,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:05,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:56:05,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:05,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:05,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:05,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:05,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:05,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:56:05,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:05,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:56:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:05,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:05,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:05,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:05,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:05,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:56:05,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:05,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:05,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:05,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:05,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:05,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 17:56:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:05,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:05,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:05,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:05,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:05,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:56:05,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:05,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:05,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:05,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:05,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:05,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 17:56:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:05,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:05,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:05,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:05,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:05,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:56:05,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:05,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:56:05,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:05,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:05,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:56:06,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [60753955] [2020-10-12 17:56:06,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:56:06,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 17:56:06,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133206682] [2020-10-12 17:56:06,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 17:56:06,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:56:06,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 17:56:06,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 17:56:06,042 INFO L87 Difference]: Start difference. First operand 204 states. Second operand 8 states. [2020-10-12 17:56:06,664 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:56:07,908 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:56:08,263 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:56:08,572 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:56:09,446 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:56:10,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:56:10,592 INFO L93 Difference]: Finished difference Result 450 states and 614 transitions. [2020-10-12 17:56:10,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 17:56:10,594 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-12 17:56:10,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:56:10,610 INFO L225 Difference]: With dead ends: 450 [2020-10-12 17:56:10,611 INFO L226 Difference]: Without dead ends: 279 [2020-10-12 17:56:10,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-12 17:56:10,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-10-12 17:56:10,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 242. [2020-10-12 17:56:10,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-12 17:56:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 295 transitions. [2020-10-12 17:56:10,748 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 295 transitions. Word has length 51 [2020-10-12 17:56:10,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:56:10,749 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 295 transitions. [2020-10-12 17:56:10,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 17:56:10,749 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 295 transitions. [2020-10-12 17:56:10,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-12 17:56:10,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:56:10,754 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:56:10,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:56:10,755 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:56:10,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:56:10,755 INFO L82 PathProgramCache]: Analyzing trace with hash -462036402, now seen corresponding path program 1 times [2020-10-12 17:56:10,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:56:10,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [35075367] [2020-10-12 17:56:10,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:56:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:10,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:11,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:11,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:13,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:15,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:15,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-12 17:56:15,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:56:15,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 17:56:15,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:15,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 17:56:15,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:56:15,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-12 17:56:15,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:16,128 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:56:16,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:56:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:16,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:16,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:16,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:16,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-12 17:56:16,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:56:16,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:16,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:56:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:16,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:16,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:56:16,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:16,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:16,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:16,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:56:16,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:16,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:56:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:16,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:16,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:56:16,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:16,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:16,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:16,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:16,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:16,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:56:16,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:16,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:56:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:16,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:16,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:16,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:16,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:16,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:16,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:16,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:56:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:16,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:16,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:56:16,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:16,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:16,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:56:16,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:16,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:56:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:16,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:16,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:16,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:16,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:16,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:16,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:16,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:56:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:16,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:16,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 17:56:16,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:56:16,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-12 17:56:16,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:16,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:56:16,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:16,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 17:56:16,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:16,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:56:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:16,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:16,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 17:56:16,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:56:16,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-12 17:56:16,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:56:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 17:56:16,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:16,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:56:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:16,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:16,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:56:16,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:56:16,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 17:56:16,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:16,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:56:16,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:16,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 17:56:16,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:16,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:56:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:16,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:16,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:56:16,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:56:16,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 17:56:16,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:16,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:56:16,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:56:16,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:16,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:16,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:56:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:16,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:16,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:56:16,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:16,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:56:16,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:16,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:56:16,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:16,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:16,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:16,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:56:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:16,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:16,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:56:16,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:16,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-12 17:56:16,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:56:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 17:56:16,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:16,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:56:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:16,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:16,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:56:16,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:16,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:56:16,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:16,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:56:16,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:16,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:56:16,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:16,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:56:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:16,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:16,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:16,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:16,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:56:16,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:16,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:56:16,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:16,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:56:16,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:16,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:56:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:16,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:16,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:16,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:16,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:16,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:16,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:16,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:16,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:16,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:16,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:17,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:56:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:17,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:17,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:17,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:17,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:17,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:56:17,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:17,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:56:17,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:17,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:17,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:17,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 17:56:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:17,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:17,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:17,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:17,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:17,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:17,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:17,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:17,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:56:17,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:17,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:17,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 17:56:17,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [35075367] [2020-10-12 17:56:17,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:56:17,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-12 17:56:17,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752791067] [2020-10-12 17:56:17,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 17:56:17,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:56:17,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 17:56:17,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2020-10-12 17:56:17,063 INFO L87 Difference]: Start difference. First operand 242 states and 295 transitions. Second operand 17 states. [2020-10-12 17:56:17,734 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:56:18,771 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:56:19,111 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:56:19,454 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:56:19,968 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:56:20,281 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:56:20,654 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:56:20,976 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:56:21,511 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:56:21,891 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:56:22,197 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:56:22,943 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:56:23,226 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:56:23,517 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:56:23,788 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:56:24,919 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:56:25,184 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:56:25,474 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:56:25,735 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:56:26,023 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 17:56:27,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:56:27,492 INFO L93 Difference]: Finished difference Result 766 states and 1097 transitions. [2020-10-12 17:56:27,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-12 17:56:27,493 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 104 [2020-10-12 17:56:27,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:56:27,501 INFO L225 Difference]: With dead ends: 766 [2020-10-12 17:56:27,501 INFO L226 Difference]: Without dead ends: 504 [2020-10-12 17:56:27,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=289, Invalid=1691, Unknown=0, NotChecked=0, Total=1980 [2020-10-12 17:56:27,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-10-12 17:56:27,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 422. [2020-10-12 17:56:27,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-10-12 17:56:27,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 515 transitions. [2020-10-12 17:56:27,616 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 515 transitions. Word has length 104 [2020-10-12 17:56:27,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:56:27,617 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 515 transitions. [2020-10-12 17:56:27,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 17:56:27,617 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 515 transitions. [2020-10-12 17:56:27,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-12 17:56:27,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:56:27,622 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:56:27,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:56:27,622 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:56:27,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:56:27,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1180305802, now seen corresponding path program 1 times [2020-10-12 17:56:27,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:56:27,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648063458] [2020-10-12 17:56:27,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:56:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:27,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:27,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:27,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:27,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:30,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:30,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:32,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:32,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-12 17:56:32,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:56:32,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-12 17:56:32,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:32,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:56:32,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:56:32,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 17:56:32,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:32,979 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:56:32,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:56:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:33,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 17:56:33,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:33,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:33,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:56:33,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:56:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:56:33,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:33,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:33,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:33,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:56:33,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:56:33,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:56:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:56:33,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:33,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:33,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:33,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:56:33,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:56:33,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:56:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:33,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:56:33,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:33,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:33,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:33,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:56:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:56:33,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:33,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:56:33,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:56:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:33,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:33,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:33,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:33,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:33,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:56:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:33,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:33,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:33,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:33,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:33,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:56:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:56:33,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:56:33,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 17:56:33,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:56:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 17:56:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:56:33,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:56:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 17:56:33,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:56:33,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:56:33,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 17:56:33,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:56:33,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:56:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 17:56:33,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 17:56:33,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:56:33,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 17:56:33,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:56:33,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:56:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:56:33,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:56:33,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:56:33,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 17:56:33,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:56:33,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:56:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:56:33,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:56:33,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:56:33,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:33,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:56:33,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:56:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:56:33,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:33,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:33,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:33,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:33,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:56:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:56:33,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:56:33,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:33,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 17:56:33,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:33,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:56:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:56:33,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:33,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:33,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:33,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:33,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:56:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:33,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:56:33,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:33,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:33,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:33,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:56:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:33,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:56:33,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:33,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:33,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:33,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 17:56:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:56:33,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:56:33,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 17:56:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:33,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:56:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:33,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:56:33,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:33,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:33,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 17:56:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:33,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:33,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:33,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:33,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:33,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 17:56:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:33,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:33,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:33,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:33,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:33,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 17:56:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:33,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:33,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:56:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:33,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:33,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 17:56:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:33,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:33,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:33,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:33,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:33,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:33,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:33,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:33,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:56:33,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:33,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:33,490 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-12 17:56:33,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648063458] [2020-10-12 17:56:33,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:56:33,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 17:56:33,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186389160] [2020-10-12 17:56:33,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 17:56:33,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:56:33,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 17:56:33,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-12 17:56:33,494 INFO L87 Difference]: Start difference. First operand 422 states and 515 transitions. Second operand 13 states. [2020-10-12 17:56:33,999 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:56:35,112 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:56:35,415 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:56:35,742 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:56:36,037 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:56:36,426 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:56:36,716 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:56:37,089 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:56:37,403 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:56:41,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:56:41,758 INFO L93 Difference]: Finished difference Result 1713 states and 2552 transitions. [2020-10-12 17:56:41,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-12 17:56:41,758 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 139 [2020-10-12 17:56:41,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:56:41,776 INFO L225 Difference]: With dead ends: 1713 [2020-10-12 17:56:41,776 INFO L226 Difference]: Without dead ends: 1319 [2020-10-12 17:56:41,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=446, Invalid=1360, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 17:56:41,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2020-10-12 17:56:42,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 839. [2020-10-12 17:56:42,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 839 states. [2020-10-12 17:56:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1046 transitions. [2020-10-12 17:56:42,060 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1046 transitions. Word has length 139 [2020-10-12 17:56:42,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:56:42,061 INFO L479 AbstractCegarLoop]: Abstraction has 839 states and 1046 transitions. [2020-10-12 17:56:42,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 17:56:42,061 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1046 transitions. [2020-10-12 17:56:42,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-12 17:56:42,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:56:42,080 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:56:42,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:56:42,080 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:56:42,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:56:42,081 INFO L82 PathProgramCache]: Analyzing trace with hash 2139040883, now seen corresponding path program 1 times [2020-10-12 17:56:42,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:56:42,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [675272322] [2020-10-12 17:56:42,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:56:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:42,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:42,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:42,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:42,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:45,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:45,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-12 17:56:45,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:56:45,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3426 [2020-10-12 17:56:45,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:45,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 17:56:45,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:56:45,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 17:56:45,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:45,877 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:56:45,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:56:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:45,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:45,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:45,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:45,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:45,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-12 17:56:45,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:45,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:56:45,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:45,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:56:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:56:46,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:46,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:46,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:56:46,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:56:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:56:46,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:46,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:46,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:56:46,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:56:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:46,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:46,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:46,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:56:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:56:46,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:46,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:56:46,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:56:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:46,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:56:46,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:46,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:46,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 17:56:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:56:46,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:56:46,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:46,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:56:46,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:46,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 17:56:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:56:46,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 17:56:46,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:56:46,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:56:46,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-12 17:56:46,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:56:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 17:56:46,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 17:56:46,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:56:46,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 17:56:46,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:56:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 17:56:46,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:56:46,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 17:56:46,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:56:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:56:46,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:56:46,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:46,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 17:56:46,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:46,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:56:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:56:46,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:56:46,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:46,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:56:46,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:56:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:56:46,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:56:46,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:46,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 17:56:46,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:56:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:56:46,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:56:46,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 17:56:46,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:56:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:56:46,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:56:46,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:46,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:56:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:46,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:46,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:46,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:46,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:46,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:56:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:46,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:56:46,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:46,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:46,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 17:56:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:56:46,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:56:46,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:46,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:56:46,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:56:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:46,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:56:46,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:46,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:46,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:46,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 17:56:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:46,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:46,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:46,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:56:46,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:46,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:56:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:46,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:46,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:46,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:56:46,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:46,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:56:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:46,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:46,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:46,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:56:46,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:46,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 17:56:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:46,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:46,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:46,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:46,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:46,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:56:46,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:46,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:46,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:56:46,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:46,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-12 17:56:46,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [675272322] [2020-10-12 17:56:46,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:56:46,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 17:56:46,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261554501] [2020-10-12 17:56:46,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 17:56:46,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:56:46,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 17:56:46,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-12 17:56:46,623 INFO L87 Difference]: Start difference. First operand 839 states and 1046 transitions. Second operand 12 states. [2020-10-12 17:56:47,138 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:56:48,007 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-10-12 17:56:52,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:56:52,207 INFO L93 Difference]: Finished difference Result 2683 states and 3694 transitions. [2020-10-12 17:56:52,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-12 17:56:52,209 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 141 [2020-10-12 17:56:52,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:56:52,222 INFO L225 Difference]: With dead ends: 2683 [2020-10-12 17:56:52,222 INFO L226 Difference]: Without dead ends: 1872 [2020-10-12 17:56:52,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 55 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 846 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=494, Invalid=2158, Unknown=0, NotChecked=0, Total=2652 [2020-10-12 17:56:52,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1872 states. [2020-10-12 17:56:52,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1872 to 1557. [2020-10-12 17:56:52,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1557 states. [2020-10-12 17:56:52,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 1956 transitions. [2020-10-12 17:56:52,519 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 1956 transitions. Word has length 141 [2020-10-12 17:56:52,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:56:52,520 INFO L479 AbstractCegarLoop]: Abstraction has 1557 states and 1956 transitions. [2020-10-12 17:56:52,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 17:56:52,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1956 transitions. [2020-10-12 17:56:52,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-12 17:56:52,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:56:52,525 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:56:52,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 17:56:52,525 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:56:52,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:56:52,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1460439261, now seen corresponding path program 1 times [2020-10-12 17:56:52,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:56:52,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511583999] [2020-10-12 17:56:52,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:56:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:52,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:52,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:52,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:52,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:55,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:57,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:57,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-12 17:56:57,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:56:57,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 17:56:57,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:57,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:56:57,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-12 17:56:57,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 17:56:57,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:57,854 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:56:57,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:56:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:57,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:57,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:57,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:57,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:57,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 17:56:57,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:57,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:57,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:57,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:57,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:57,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:56:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:57,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:57,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:57,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:56:57,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:57,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:56:57,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:57,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:57,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:57,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:57,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:57,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:56:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:57,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:57,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:57,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:56:57,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:57,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:56:57,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:57,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:57,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:57,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:57,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:57,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:56:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:57,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:57,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:57,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:57,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:57,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:56:57,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:57,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:57,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:57,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:57,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:57,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:56:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:57,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:57,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:57,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:56:57,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:57,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:56:57,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:57,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:57,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:57,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:57,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:57,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:56:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:57,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:57,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:57,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:57,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:57,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:57,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:57,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:57,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:57,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:56:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:57,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:57,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:57,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:57,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:57,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:56:57,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:57,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:57,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:57,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:56:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:57,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:57,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:57,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:57,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:57,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:56:57,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:57,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:57,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:57,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:56:57,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:58,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 17:56:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:56:58,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:58,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:56:58,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:58,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:58,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:56:58,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 17:56:58,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 17:56:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:56:58,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:56:58,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-12 17:56:58,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:56:58,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-12 17:56:58,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 17:56:58,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:58,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:56:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 17:56:58,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:58,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 17:56:58,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:56:58,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:58,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 17:56:58,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:58,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:56:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 17:56:58,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:58,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 17:56:58,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:56:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 17:56:58,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:58,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:56:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:56:58,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:58,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 17:56:58,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:56:58,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:58,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 17:56:58,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:58,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:56:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:56:58,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:58,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:56:58,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:58,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:58,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:56:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:56:58,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:58,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:56:58,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:58,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:58,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:58,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:58,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:56:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:56:58,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:58,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:56:58,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:56:58,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:58,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 17:56:58,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:56:58,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:56:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:56:58,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:58,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:56:58,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:56:58,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:58,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:56:58,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:58,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:56:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:58,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:58,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:56:58,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:56:58,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:58,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:56:58,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:58,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:56:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:58,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:58,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:58,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:56:58,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:58,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:56:58,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:58,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 17:56:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:56:58,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:56:58,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:56:58,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:56:58,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:58,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 17:56:58,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:58,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:56:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:58,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:58,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:56:58,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:56:58,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:56:58,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:56:58,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:58,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:56:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:58,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:58,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:56:58,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:58,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:56:58,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:58,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:58,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 17:56:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:58,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:58,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:56:58,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:58,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:56:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:58,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 17:56:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:58,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:58,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:56:58,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:58,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:56:58,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:58,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:58,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 17:56:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:56:58,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:56:58,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:56:58,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:56:58,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:56:58,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:56:58,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:56:58,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:56:58,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:56:58,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:56:58,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:56:58,580 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 17:56:58,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [511583999] [2020-10-12 17:56:58,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:56:58,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 17:56:58,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191797552] [2020-10-12 17:56:58,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 17:56:58,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:56:58,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 17:56:58,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-10-12 17:56:58,583 INFO L87 Difference]: Start difference. First operand 1557 states and 1956 transitions. Second operand 19 states. [2020-10-12 17:56:59,131 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:57:00,021 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:57:00,641 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:57:01,030 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:57:01,347 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:57:01,690 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:57:02,052 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:57:02,351 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:57:03,592 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:57:03,968 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:57:04,327 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:57:04,658 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:57:04,957 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:57:05,303 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:57:05,841 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-10-12 17:57:08,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:57:08,657 INFO L93 Difference]: Finished difference Result 3388 states and 4482 transitions. [2020-10-12 17:57:08,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-12 17:57:08,660 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 149 [2020-10-12 17:57:08,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:57:08,672 INFO L225 Difference]: With dead ends: 3388 [2020-10-12 17:57:08,673 INFO L226 Difference]: Without dead ends: 1859 [2020-10-12 17:57:08,680 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1420 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=837, Invalid=3719, Unknown=0, NotChecked=0, Total=4556 [2020-10-12 17:57:08,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1859 states. [2020-10-12 17:57:08,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1859 to 1557. [2020-10-12 17:57:08,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1557 states. [2020-10-12 17:57:08,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 1890 transitions. [2020-10-12 17:57:08,982 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 1890 transitions. Word has length 149 [2020-10-12 17:57:08,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:57:08,983 INFO L479 AbstractCegarLoop]: Abstraction has 1557 states and 1890 transitions. [2020-10-12 17:57:08,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 17:57:08,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1890 transitions. [2020-10-12 17:57:08,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-12 17:57:08,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:57:08,990 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:57:08,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 17:57:08,990 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:57:08,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:57:08,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1737819975, now seen corresponding path program 1 times [2020-10-12 17:57:08,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:57:08,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [162902772] [2020-10-12 17:57:08,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:57:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 17:57:09,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:57:09,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 510 [2020-10-12 17:57:09,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:57:09,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-12 17:57:09,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 17:57:09,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,784 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:57:09,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:57:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:09,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:57:09,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:57:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:09,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:09,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:57:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:09,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:09,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:57:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:09,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:09,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:57:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:09,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:09,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:57:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:09,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:09,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:57:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:09,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:09,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:57:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:57:09,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:09,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 17:57:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:57:09,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:57:09,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 17:57:09,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 17:57:09,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:57:09,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 17:57:09,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:57:09,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:57:09,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:57:09,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:57:09,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:09,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:57:09,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:09,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:57:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:57:09,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:09,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:57:09,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:09,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:09,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:09,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:57:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:09,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:09,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 17:57:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:57:09,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:57:09,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 17:57:09,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:09,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:09,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:09,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 17:57:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:09,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:09,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:09,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:57:09,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 17:57:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:09,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:09,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:09,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:57:09,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 17:57:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:09,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:09,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:09,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:09,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:09,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:57:09,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:09,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 17:57:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:09,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:10,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:10,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:10,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:10,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:10,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:10,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:10,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:10,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:57:10,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:10,020 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-12 17:57:10,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [162902772] [2020-10-12 17:57:10,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:57:10,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 17:57:10,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888614768] [2020-10-12 17:57:10,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 17:57:10,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:57:10,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 17:57:10,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-12 17:57:10,062 INFO L87 Difference]: Start difference. First operand 1557 states and 1890 transitions. Second operand 10 states. [2020-10-12 17:57:10,584 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:57:14,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:57:14,202 INFO L93 Difference]: Finished difference Result 3161 states and 4223 transitions. [2020-10-12 17:57:14,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 17:57:14,203 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2020-10-12 17:57:14,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:57:14,222 INFO L225 Difference]: With dead ends: 3161 [2020-10-12 17:57:14,222 INFO L226 Difference]: Without dead ends: 3158 [2020-10-12 17:57:14,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=248, Invalid=744, Unknown=0, NotChecked=0, Total=992 [2020-10-12 17:57:14,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2020-10-12 17:57:14,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 2591. [2020-10-12 17:57:14,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2591 states. [2020-10-12 17:57:14,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2591 states and 3188 transitions. [2020-10-12 17:57:14,649 INFO L78 Accepts]: Start accepts. Automaton has 2591 states and 3188 transitions. Word has length 145 [2020-10-12 17:57:14,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:57:14,649 INFO L479 AbstractCegarLoop]: Abstraction has 2591 states and 3188 transitions. [2020-10-12 17:57:14,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 17:57:14,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 3188 transitions. [2020-10-12 17:57:14,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-12 17:57:14,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:57:14,657 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:57:14,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 17:57:14,658 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:57:14,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:57:14,658 INFO L82 PathProgramCache]: Analyzing trace with hash -32737661, now seen corresponding path program 1 times [2020-10-12 17:57:14,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:57:14,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316043335] [2020-10-12 17:57:14,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:57:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:14,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:14,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:14,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:14,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:14,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:14,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-12 17:57:15,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:57:15,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 609 [2020-10-12 17:57:15,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:15,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-12 17:57:15,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 17:57:15,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,539 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:57:15,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:57:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:15,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:57:15,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:57:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:15,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:15,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:57:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:15,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:15,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:57:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:15,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:15,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:57:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:15,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:15,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:57:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:15,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:15,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:57:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:15,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:15,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:15,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:57:15,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:57:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:57:15,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:15,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:15,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:57:15,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 17:57:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:57:15,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:57:15,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:15,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-12 17:57:15,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 17:57:15,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:57:15,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 17:57:15,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:57:15,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:57:15,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:57:15,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:57:15,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:15,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:57:15,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:15,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:57:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:57:15,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:15,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:57:15,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:15,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:15,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:15,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:57:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:15,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:15,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 17:57:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:57:15,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:15,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:15,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:15,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 17:57:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:15,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:15,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:15,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:57:15,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 17:57:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 17:57:15,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:57:15,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:15,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 17:57:15,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:15,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:15,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:57:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:57:15,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:57:15,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:15,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:15,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:57:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:15,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:15,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:15,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 17:57:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:15,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:15,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:57:15,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-12 17:57:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:15,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:15,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:57:15,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-12 17:57:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:15,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:15,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:15,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:15,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:15,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:15,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:15,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:15,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:57:15,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:15,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:15,845 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-12 17:57:15,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316043335] [2020-10-12 17:57:15,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:57:15,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 17:57:15,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047335935] [2020-10-12 17:57:15,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 17:57:15,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:57:15,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 17:57:15,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-12 17:57:15,848 INFO L87 Difference]: Start difference. First operand 2591 states and 3188 transitions. Second operand 10 states. [2020-10-12 17:57:16,399 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:57:18,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:57:18,846 INFO L93 Difference]: Finished difference Result 3707 states and 4643 transitions. [2020-10-12 17:57:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-12 17:57:18,849 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 175 [2020-10-12 17:57:18,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:57:18,867 INFO L225 Difference]: With dead ends: 3707 [2020-10-12 17:57:18,867 INFO L226 Difference]: Without dead ends: 2915 [2020-10-12 17:57:18,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=288, Invalid=902, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 17:57:18,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2915 states. [2020-10-12 17:57:19,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2915 to 2555. [2020-10-12 17:57:19,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2555 states. [2020-10-12 17:57:19,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2555 states and 3132 transitions. [2020-10-12 17:57:19,340 INFO L78 Accepts]: Start accepts. Automaton has 2555 states and 3132 transitions. Word has length 175 [2020-10-12 17:57:19,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:57:19,340 INFO L479 AbstractCegarLoop]: Abstraction has 2555 states and 3132 transitions. [2020-10-12 17:57:19,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 17:57:19,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3132 transitions. [2020-10-12 17:57:19,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-12 17:57:19,348 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:57:19,349 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:57:19,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 17:57:19,349 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:57:19,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:57:19,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1769341244, now seen corresponding path program 1 times [2020-10-12 17:57:19,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:57:19,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [834394928] [2020-10-12 17:57:19,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:57:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:19,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:19,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:19,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:19,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-12 17:57:21,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:57:21,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1679 [2020-10-12 17:57:21,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 17:57:21,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-12 17:57:21,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 17:57:21,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,332 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:57:21,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:57:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:21,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:57:21,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:57:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:21,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:21,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:57:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:21,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:21,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:57:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:21,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:21,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:57:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:21,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:21,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:57:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:21,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:21,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:57:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:21,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:21,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:57:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:57:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:57:21,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:21,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:21,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:57:21,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 17:57:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:57:21,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 17:57:21,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:57:21,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:57:21,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-12 17:57:21,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 17:57:21,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:57:21,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:21,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 17:57:21,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 17:57:21,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:57:21,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:57:21,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:57:21,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:57:21,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:21,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:57:21,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:21,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:57:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:57:21,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:21,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:57:21,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:21,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:21,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:21,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:57:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:21,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:21,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 17:57:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:57:21,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:57:21,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:21,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:57:21,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:21,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:21,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 17:57:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:21,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:21,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:57:21,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 17:57:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 17:57:21,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 17:57:21,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:57:21,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:57:21,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 17:57:21,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:21,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:57:21,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:57:21,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:57:21,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:57:21,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:57:21,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:57:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:57:21,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:57:21,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 17:57:21,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:21,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:21,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:57:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:21,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:21,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:21,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 17:57:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:21,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:57:21,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:57:21,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:57:21,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:57:21,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:57:21,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 17:57:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:21,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:21,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:57:21,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-12 17:57:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:21,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:21,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:57:21,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:21,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-12 17:57:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:21,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:21,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:21,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:21,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:21,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:21,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:21,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:21,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:57:21,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:21,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:57:21,757 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 46 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-12 17:57:21,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [834394928] [2020-10-12 17:57:21,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:57:21,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 17:57:21,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489891318] [2020-10-12 17:57:21,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 17:57:21,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:57:21,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 17:57:21,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-10-12 17:57:21,759 INFO L87 Difference]: Start difference. First operand 2555 states and 3132 transitions. Second operand 14 states. [2020-10-12 17:57:22,307 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:57:22,948 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:57:23,794 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:57:27,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:57:27,016 INFO L93 Difference]: Finished difference Result 5366 states and 7029 transitions. [2020-10-12 17:57:27,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-12 17:57:27,017 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 183 [2020-10-12 17:57:27,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:57:27,034 INFO L225 Difference]: With dead ends: 5366 [2020-10-12 17:57:27,035 INFO L226 Difference]: Without dead ends: 3117 [2020-10-12 17:57:27,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=476, Invalid=1686, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 17:57:27,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3117 states. [2020-10-12 17:57:27,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3117 to 2685. [2020-10-12 17:57:27,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2685 states. [2020-10-12 17:57:27,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2685 states and 3209 transitions. [2020-10-12 17:57:27,454 INFO L78 Accepts]: Start accepts. Automaton has 2685 states and 3209 transitions. Word has length 183 [2020-10-12 17:57:27,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:57:27,457 INFO L479 AbstractCegarLoop]: Abstraction has 2685 states and 3209 transitions. [2020-10-12 17:57:27,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 17:57:27,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 3209 transitions. [2020-10-12 17:57:27,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-12 17:57:27,464 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:57:27,464 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:57:27,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 17:57:27,465 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:57:27,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:57:27,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1515233608, now seen corresponding path program 1 times [2020-10-12 17:57:27,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:57:27,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [595305204] [2020-10-12 17:57:27,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:57:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:27,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:27,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:27,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:27,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:27,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-12 17:57:27,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:57:27,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-12 17:57:27,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:27,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:27,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-12 17:57:27,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-12 17:57:27,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,054 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:57:28,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:57:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:28,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:57:28,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:57:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:28,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:28,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:57:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:28,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:28,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:57:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:28,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:28,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:57:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:28,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:28,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:57:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:28,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:28,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:57:28,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:57:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:28,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:28,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:57:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:57:28,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:28,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 17:57:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:57:28,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:57:28,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:28,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 17:57:28,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 17:57:28,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:57:28,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:28,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 17:57:28,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 17:57:28,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:57:28,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:57:28,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:57:28,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:57:28,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:28,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:57:28,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:28,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:57:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:57:28,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:28,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:57:28,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:28,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:28,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:28,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:57:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:28,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:28,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 17:57:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:57:28,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:57:28,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:57:28,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:28,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:28,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 17:57:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:28,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:28,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:28,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:57:28,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 17:57:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 17:57:28,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:57:28,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:57:28,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:28,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 17:57:28,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:28,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:28,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:57:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:57:28,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:28,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:28,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:28,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:57:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:28,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:28,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 17:57:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:28,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:28,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:28,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:28,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:57:28,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 17:57:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:28,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:28,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:57:28,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-12 17:57:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:28,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:28,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:28,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:28,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:28,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:28,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:57:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:28,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:28,329 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-12 17:57:28,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [595305204] [2020-10-12 17:57:28,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:57:28,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 17:57:28,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818162686] [2020-10-12 17:57:28,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 17:57:28,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:57:28,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 17:57:28,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-12 17:57:28,331 INFO L87 Difference]: Start difference. First operand 2685 states and 3209 transitions. Second operand 10 states. [2020-10-12 17:57:28,774 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:57:32,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:57:32,546 INFO L93 Difference]: Finished difference Result 4869 states and 6156 transitions. [2020-10-12 17:57:32,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-12 17:57:32,546 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-10-12 17:57:32,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:57:32,567 INFO L225 Difference]: With dead ends: 4869 [2020-10-12 17:57:32,568 INFO L226 Difference]: Without dead ends: 3424 [2020-10-12 17:57:32,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=294, Invalid=966, Unknown=0, NotChecked=0, Total=1260 [2020-10-12 17:57:32,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3424 states. [2020-10-12 17:57:33,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3424 to 2923. [2020-10-12 17:57:33,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2923 states. [2020-10-12 17:57:33,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 3473 transitions. [2020-10-12 17:57:33,063 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 3473 transitions. Word has length 179 [2020-10-12 17:57:33,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:57:33,063 INFO L479 AbstractCegarLoop]: Abstraction has 2923 states and 3473 transitions. [2020-10-12 17:57:33,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 17:57:33,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 3473 transitions. [2020-10-12 17:57:33,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-12 17:57:33,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:57:33,076 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:57:33,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 17:57:33,076 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:57:33,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:57:33,077 INFO L82 PathProgramCache]: Analyzing trace with hash -428688858, now seen corresponding path program 1 times [2020-10-12 17:57:33,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:57:33,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1415874418] [2020-10-12 17:57:33,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:57:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:33,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:33,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:33,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:33,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:34,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:35,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 359 [2020-10-12 17:57:38,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:57:38,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 17:57:38,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 17:57:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:57:38,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-12 17:57:38,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,447 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:57:38,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:57:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:38,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 17:57:38,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:57:38,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:57:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:38,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:38,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:38,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:57:38,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:57:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:38,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:38,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:38,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:57:38,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:57:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:38,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:38,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:38,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:57:38,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:57:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:38,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:38,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:38,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:57:38,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:57:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:38,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:38,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:38,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:57:38,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:57:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:38,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:57:38,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:57:38,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:57:38,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:57:38,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:57:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:57:38,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:57:38,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 17:57:38,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:57:38,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:57:38,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-12 17:57:38,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 17:57:38,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:57:38,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:38,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 17:57:38,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 17:57:38,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:57:38,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:38,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:38,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:57:38,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:57:38,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:38,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:57:38,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:38,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:38,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:57:38,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:38,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:38,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:57:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:57:38,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:38,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:38,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:38,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:57:38,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:38,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:38,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:38,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:38,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:38,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:38,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:57:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:38,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:38,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:38,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:38,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 17:57:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:57:38,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:57:38,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:38,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:57:38,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:38,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:38,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:38,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:38,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 17:57:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:38,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:38,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:38,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:57:38,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 17:57:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 17:57:38,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:57:38,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-12 17:57:38,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 17:57:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 17:57:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 17:57:38,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:38,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:38,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:38,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:38,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:38,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:38,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:38,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:57:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:38,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-12 17:57:39,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 17:57:39,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:57:39,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:57:39,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:57:39,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:57:39,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:57:39,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:57:39,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:39,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:39,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:57:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:57:39,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 17:57:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 17:57:39,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:57:39,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:39,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 17:57:39,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:57:39,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:39,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:39,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:39,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:39,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:39,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:39,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 17:57:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:57:39,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:39,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:39,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:39,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:39,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:39,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:39,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 17:57:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:57:39,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:57:39,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:57:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:57:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 17:57:39,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:39,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:57:39,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:57:39,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:57:39,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:57:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:39,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:39,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:57:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:57:39,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-12 17:57:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:39,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:39,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:39,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:57:39,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:39,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-12 17:57:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-12 17:57:39,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:57:39,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-12 17:57:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:39,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:57:39,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:39,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:39,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:39,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:39,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:39,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:39,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:39,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 17:57:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 17:57:39,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:57:39,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:39,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:39,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:57:39,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:57:39,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:39,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:39,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:57:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:39,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:39,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:39,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:39,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:57:39,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 17:57:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:57:39,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:57:39,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:39,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:39,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:57:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:57:39,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:39,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:39,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:57:39,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:39,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-12 17:57:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:39,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:39,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:39,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:57:39,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:39,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 17:57:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:57:39,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:57:39,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:57:39,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:57:39,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:57:39,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:57:39,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:57:39,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:57:39,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:57:39,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:57:39,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:57:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 58 proven. 23 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-10-12 17:57:39,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1415874418] [2020-10-12 17:57:39,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:57:39,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 17:57:39,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938848041] [2020-10-12 17:57:39,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 17:57:39,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:57:39,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 17:57:39,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2020-10-12 17:57:39,379 INFO L87 Difference]: Start difference. First operand 2923 states and 3473 transitions. Second operand 21 states. [2020-10-12 17:57:40,007 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:57:40,902 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:57:41,343 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:57:42,027 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 17:57:42,665 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:57:43,126 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:57:43,790 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 195 [2020-10-12 17:57:44,127 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:57:44,553 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 17:57:44,957 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:57:45,362 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 17:57:45,972 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-10-12 17:57:46,364 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-12 17:57:46,782 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-12 17:57:47,315 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-12 17:57:47,698 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-12 17:57:49,626 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:57:49,988 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:57:50,594 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-12 17:57:50,924 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-12 17:57:51,981 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:57:52,479 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:57:52,763 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:57:53,105 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:57:53,389 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:57:53,686 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 17:57:53,982 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:57:54,375 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:57:54,676 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 17:57:54,979 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 17:57:55,321 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 17:57:55,643 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 17:57:56,455 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 17:57:56,818 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 17:57:57,507 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:57:58,121 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-10-12 17:57:59,908 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-10-12 17:58:00,599 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-10-12 17:58:01,378 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-10-12 17:58:02,008 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-10-12 17:58:02,572 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-10-12 17:58:03,149 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 197 [2020-10-12 17:58:03,717 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-10-12 17:58:04,303 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 196 [2020-10-12 17:58:04,879 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 197 [2020-10-12 17:58:05,457 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 197 [2020-10-12 17:58:06,078 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 197 [2020-10-12 17:58:06,676 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 198 [2020-10-12 17:58:06,897 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 18 [2020-10-12 17:58:07,925 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 197 [2020-10-12 17:58:08,566 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 203 [2020-10-12 17:58:09,518 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-10-12 17:58:10,172 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-10-12 17:58:12,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:58:12,066 INFO L93 Difference]: Finished difference Result 5235 states and 6635 transitions. [2020-10-12 17:58:12,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2020-10-12 17:58:12,066 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 257 [2020-10-12 17:58:12,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:58:12,068 INFO L225 Difference]: With dead ends: 5235 [2020-10-12 17:58:12,068 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 17:58:12,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8441 ImplicationChecksByTransitivity, 23.4s TimeCoverageRelationStatistics Valid=2573, Invalid=18889, Unknown=0, NotChecked=0, Total=21462 [2020-10-12 17:58:12,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 17:58:12,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 17:58:12,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 17:58:12,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 17:58:12,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 257 [2020-10-12 17:58:12,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:58:12,089 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 17:58:12,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 17:58:12,090 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 17:58:12,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 17:58:12,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 17:58:12,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 17:58:13,416 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-10-12 17:58:15,900 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 630 DAG size of output: 468 [2020-10-12 17:58:21,148 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 695 DAG size of output: 489 [2020-10-12 17:58:25,237 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 257 [2020-10-12 17:58:25,527 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 262 [2020-10-12 17:58:25,796 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 272 [2020-10-12 17:58:26,275 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 254 [2020-10-12 17:58:26,428 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 257 [2020-10-12 17:58:26,833 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 272 [2020-10-12 17:58:27,102 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 277 [2020-10-12 17:58:27,288 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 277 [2020-10-12 17:58:27,433 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 262 [2020-10-12 17:58:31,201 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 381 [2020-10-12 17:58:34,298 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 432 [2020-10-12 17:58:35,365 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 432 [2020-10-12 17:58:41,147 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 211 DAG size of output: 28 [2020-10-12 17:58:41,786 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 29 [2020-10-12 17:58:42,010 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 1 [2020-10-12 17:58:42,781 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 28 [2020-10-12 17:58:43,040 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 30 [2020-10-12 17:58:44,843 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 383 DAG size of output: 39 [2020-10-12 17:58:45,072 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 1 [2020-10-12 17:58:45,288 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 1 [2020-10-12 17:58:45,925 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 32 [2020-10-12 17:58:46,581 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 27 [2020-10-12 17:58:48,091 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 224 DAG size of output: 26 [2020-10-12 17:58:49,142 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 167 DAG size of output: 26 [2020-10-12 17:58:49,712 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 32 [2020-10-12 17:58:49,953 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 30 [2020-10-12 17:58:50,139 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-10-12 17:58:50,380 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 30 [2020-10-12 17:58:50,609 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:58:52,091 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 250 DAG size of output: 32 [2020-10-12 17:58:54,308 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 207 DAG size of output: 29 [2020-10-12 17:58:54,511 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 1 [2020-10-12 17:58:56,701 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 409 DAG size of output: 43 [2020-10-12 17:58:58,043 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 230 DAG size of output: 29 [2020-10-12 17:59:00,025 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 191 DAG size of output: 29 [2020-10-12 17:59:01,084 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 167 DAG size of output: 26 [2020-10-12 17:59:01,601 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-10-12 17:59:03,671 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 215 DAG size of output: 25 [2020-10-12 17:59:07,518 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 206 DAG size of output: 33 [2020-10-12 17:59:07,702 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-10-12 17:59:07,886 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 1 [2020-10-12 17:59:09,014 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 211 DAG size of output: 27 [2020-10-12 17:59:10,165 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 211 DAG size of output: 27 [2020-10-12 17:59:10,408 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 30 [2020-10-12 17:59:14,445 WARN L193 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 349 DAG size of output: 59 [2020-10-12 17:59:14,859 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 23 [2020-10-12 17:59:16,694 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 207 DAG size of output: 30 [2020-10-12 17:59:16,879 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 1 [2020-10-12 17:59:17,122 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 30 [2020-10-12 17:59:17,334 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 23 [2020-10-12 17:59:19,409 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 207 DAG size of output: 29 [2020-10-12 17:59:20,946 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 308 DAG size of output: 44 [2020-10-12 17:59:21,174 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-12 17:59:21,808 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 27 [2020-10-12 17:59:22,441 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 21 [2020-10-12 17:59:22,663 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 1 [2020-10-12 17:59:22,903 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 30 [2020-10-12 17:59:23,970 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 228 DAG size of output: 30 [2020-10-12 17:59:24,198 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 1 [2020-10-12 17:59:24,844 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 27 [2020-10-12 17:59:26,340 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 340 DAG size of output: 41 [2020-10-12 17:59:26,973 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 27 [2020-10-12 17:59:28,450 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 340 DAG size of output: 41 [2020-10-12 17:59:29,570 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 229 DAG size of output: 33 [2020-10-12 17:59:29,815 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 30 [2020-10-12 17:59:30,059 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 30 [2020-10-12 17:59:30,322 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 30 [2020-10-12 17:59:31,182 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 23 [2020-10-12 17:59:31,939 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-10-12 17:59:32,126 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-10-12 17:59:32,653 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-10-12 17:59:34,285 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 237 DAG size of output: 32