/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_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:51:57,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:51:57,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:51:57,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:51:57,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:51:57,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:51:57,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:51:57,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:51:57,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:51:57,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:51:57,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:51:57,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:51:57,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:51:57,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:51:57,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:51:57,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:51:57,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:51:57,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:51:57,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:51:57,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:51:57,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:51:57,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:51:57,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:51:57,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:51:57,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:51:57,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:51:57,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:51:57,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:51:57,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:51:57,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:51:57,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:51:57,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:51:57,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:51:57,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:51:57,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:51:57,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:51:57,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:51:57,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:51:57,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:51:57,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:51:57,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:51:57,724 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 17:51:57,766 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:51:57,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:51:57,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:51:57,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:51:57,769 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:51:57,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:51:57,770 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:51:57,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:51:57,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:51:57,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:51:57,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:51:57,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:51:57,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:51:57,772 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:51:57,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:51:57,773 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:51:57,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:51:57,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:51:57,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:51:57,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:51:57,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:51:57,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:51:57,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:51:57,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:51:57,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:51:57,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:51:57,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:51:57,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:51:57,776 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:51:57,776 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 17:51:58,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:51:58,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:51:58,139 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:51:58,141 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:51:58,141 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:51:58,142 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c [2020-10-12 17:51:58,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/58405b10c/651bb76a71714b96a4b2050dadc9e358/FLAGb23ac983e [2020-10-12 17:51:58,718 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:51:58,719 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c [2020-10-12 17:51:58,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/58405b10c/651bb76a71714b96a4b2050dadc9e358/FLAGb23ac983e [2020-10-12 17:51:59,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/58405b10c/651bb76a71714b96a4b2050dadc9e358 [2020-10-12 17:51:59,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:51:59,024 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:51:59,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:51:59,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:51:59,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:51:59,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:51:59" (1/1) ... [2020-10-12 17:51:59,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4d4318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:59, skipping insertion in model container [2020-10-12 17:51:59,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:51:59" (1/1) ... [2020-10-12 17:51:59,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:51:59,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:51:59,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:51:59,561 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:51:59,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:51:59,688 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:51:59,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:59 WrapperNode [2020-10-12 17:51:59,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:51:59,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:51:59,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:51:59,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:51:59,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:59" (1/1) ... [2020-10-12 17:51:59,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:59" (1/1) ... [2020-10-12 17:51:59,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:59" (1/1) ... [2020-10-12 17:51:59,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:59" (1/1) ... [2020-10-12 17:51:59,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:59" (1/1) ... [2020-10-12 17:51:59,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:59" (1/1) ... [2020-10-12 17:51:59,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:59" (1/1) ... [2020-10-12 17:51:59,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:51:59,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:51:59,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:51:59,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:51:59,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:59" (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 17:51:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:51:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:51:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:51:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-12 17:51:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-12 17:51:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:51:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:51:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:51:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:51:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:51:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:51:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 17:51:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-12 17:51:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 17:51:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-12 17:51:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 17:51:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 17:51:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 17:51:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 17:51:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 17:51:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-12 17:51:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 17:51:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 17:51:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 17:51:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 17:51:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 17:51:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 17:51:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-12 17:51:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:51:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:51:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:51:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:51:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:51:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:51:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 17:51:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 17:51:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:51:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 17:51:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:51:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:51:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:51:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:51:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:51:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 17:51:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 17:51:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-12 17:51:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-12 17:51:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:51:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:51:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:51:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:51:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:51:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:51:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:51:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:51:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:51:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:51:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:51:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:51:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:51:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:51:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:51:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:51:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:51:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 17:51:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 17:51:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-12 17:51:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 17:51:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 17:51:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 17:51:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 17:51:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 17:51:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-12 17:51:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-12 17:51:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-12 17:51:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 17:51:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 17:51:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 17:51:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 17:51:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 17:51:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:51:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:51:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:51:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:51:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:51:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 17:51:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:51:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 17:51:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:51:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:51:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:51:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:52:00,985 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:52:00,986 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 17:52:00,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:52:00 BoogieIcfgContainer [2020-10-12 17:52:00,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:52:01,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:52:01,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:52:01,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:52:01,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:51:59" (1/3) ... [2020-10-12 17:52:01,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e2393f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:52:01, skipping insertion in model container [2020-10-12 17:52:01,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:51:59" (2/3) ... [2020-10-12 17:52:01,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e2393f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:52:01, skipping insertion in model container [2020-10-12 17:52:01,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:52:00" (3/3) ... [2020-10-12 17:52:01,008 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product41.cil.c [2020-10-12 17:52:01,019 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:52:01,032 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:52:01,047 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:52:01,072 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:52:01,073 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:52:01,073 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:52:01,073 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:52:01,073 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:52:01,073 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:52:01,074 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:52:01,074 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:52:01,096 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-10-12 17:52:01,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-12 17:52:01,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:01,107 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 17:52:01,107 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:01,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:01,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1966863296, now seen corresponding path program 1 times [2020-10-12 17:52:01,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:01,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930118589] [2020-10-12 17:52:01,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:01,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:01,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:02,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:02,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:02,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:04,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:06,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:06,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 17:52:06,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:52:06,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-12 17:52:06,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 17:52:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 17:52:06,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:52:07,059 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:07,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:07,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:07,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:07,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:07,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:07,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-12 17:52:07,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:07,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:07,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:07,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:52:07,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:07,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:07,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:07,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:07,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:07,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:07,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:52:07,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:07,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:07,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:07,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:07,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:07,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:07,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:07,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:07,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:07,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:07,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:07,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:07,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:07,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:07,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:07,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:07,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:07,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:07,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:07,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:07,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:07,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:07,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:07,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:07,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:07,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:07,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:07,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:07,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:07,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:07,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:07,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:07,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:07,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:07,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:07,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:07,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:07,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 17:52:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:07,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:07,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:07,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:07,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:07,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:07,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:07,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:07,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:07,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:07,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:07,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 17:52:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:07,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:07,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:07,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:07,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:07,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:07,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:07,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:07,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:07,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:07,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:07,428 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 17:52:07,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930118589] [2020-10-12 17:52:07,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:52:07,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 17:52:07,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394087224] [2020-10-12 17:52:07,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 17:52:07,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:07,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 17:52:07,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 17:52:07,457 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 8 states. [2020-10-12 17:52:08,055 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:09,046 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:09,355 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:09,615 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:52:10,223 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:10,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:52:10,897 INFO L93 Difference]: Finished difference Result 346 states and 471 transitions. [2020-10-12 17:52:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 17:52:10,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-12 17:52:10,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:52:10,925 INFO L225 Difference]: With dead ends: 346 [2020-10-12 17:52:10,926 INFO L226 Difference]: Without dead ends: 214 [2020-10-12 17:52:10,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-12 17:52:10,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-10-12 17:52:11,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 180. [2020-10-12 17:52:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-12 17:52:11,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 219 transitions. [2020-10-12 17:52:11,044 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 219 transitions. Word has length 51 [2020-10-12 17:52:11,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:52:11,047 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 219 transitions. [2020-10-12 17:52:11,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 17:52:11,048 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 219 transitions. [2020-10-12 17:52:11,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-12 17:52:11,056 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:11,057 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:52:11,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:52:11,058 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:11,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:11,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1557435524, now seen corresponding path program 1 times [2020-10-12 17:52:11,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:11,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1286068273] [2020-10-12 17:52:11,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:11,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:11,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:11,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:11,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:16,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:16,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-12 17:52:16,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:52:16,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-12 17:52:16,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:16,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 17:52:16,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:16,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-12 17:52:16,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:16,441 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:16,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:16,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:16,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:16,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:16,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:16,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-12 17:52:16,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:52:16,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:16,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:16,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:16,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:16,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:16,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:16,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:16,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:16,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:16,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:16,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:16,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:16,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:16,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:16,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:16,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:16,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:16,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:16,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:16,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:16,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:16,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:16,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:16,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:16,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:16,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:16,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:16,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:16,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:16,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:16,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:16,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:16,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:16,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:16,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:16,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:16,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:16,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:16,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:16,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:16,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:16,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:16,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:16,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:16,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:16,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:16,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:16,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:16,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:16,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:16,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:16,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:16,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:16,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:16,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:16,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 17:52:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:16,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:16,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:16,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:16,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:16,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:52:16,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:52:16,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-12 17:52:16,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:16,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:52:16,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:16,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 17:52:16,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:16,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:16,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:16,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:16,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:52:16,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:16,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:52:16,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:16,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:16,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:16,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:16,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:16,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:16,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:16,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:16,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:16,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:16,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:16,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:16,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:16,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:16,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:16,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:52:16,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:52:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:16,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:16,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:16,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:52:16,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:16,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 17:52:16,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:16,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:52:16,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:16,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 17:52:16,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:16,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:16,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:17,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:17,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:52:17,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:17,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:52:17,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:52:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:52:17,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:17,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:17,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:17,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:17,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:17,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:17,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:17,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:17,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:52:17,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:17,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:17,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:17,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:17,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:17,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:17,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:17,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:17,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:17,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:17,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:17,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:17,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:17,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:17,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 17:52:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:17,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:17,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:17,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:17,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:17,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:52:17,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:17,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:17,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:17,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:17,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 17:52:17,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 17:52:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:17,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:17,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:17,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:17,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:17,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:52:17,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:17,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:17,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 17:52:17,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1286068273] [2020-10-12 17:52:17,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:52:17,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 17:52:17,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390195973] [2020-10-12 17:52:17,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 17:52:17,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:17,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 17:52:17,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-12 17:52:17,163 INFO L87 Difference]: Start difference. First operand 180 states and 219 transitions. Second operand 13 states. [2020-10-12 17:52:17,819 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:18,733 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:19,013 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:19,278 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:19,665 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:20,671 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:20,946 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:21,982 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:22,240 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:22,525 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-12 17:52:22,795 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-12 17:52:23,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:52:23,174 INFO L93 Difference]: Finished difference Result 548 states and 774 transitions. [2020-10-12 17:52:23,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 17:52:23,177 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 90 [2020-10-12 17:52:23,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:52:23,183 INFO L225 Difference]: With dead ends: 548 [2020-10-12 17:52:23,183 INFO L226 Difference]: Without dead ends: 355 [2020-10-12 17:52:23,188 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2020-10-12 17:52:23,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2020-10-12 17:52:23,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 284. [2020-10-12 17:52:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-10-12 17:52:23,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 346 transitions. [2020-10-12 17:52:23,292 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 346 transitions. Word has length 90 [2020-10-12 17:52:23,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:52:23,293 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 346 transitions. [2020-10-12 17:52:23,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 17:52:23,293 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 346 transitions. [2020-10-12 17:52:23,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-12 17:52:23,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:23,301 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-12 17:52:23,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:52:23,301 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:23,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:23,301 INFO L82 PathProgramCache]: Analyzing trace with hash -279269664, now seen corresponding path program 1 times [2020-10-12 17:52:23,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:23,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647593584] [2020-10-12 17:52:23,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:23,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:23,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:23,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:23,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:25,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:25,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-12 17:52:25,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:52:25,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2318 [2020-10-12 17:52:25,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:25,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:52:25,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-12 17:52:25,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 17:52:25,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:25,981 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:25,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:25,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:26,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 17:52:26,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:26,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:26,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:26,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:26,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:26,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:26,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:26,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:26,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:26,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:26,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:26,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:26,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:26,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:26,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:26,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:26,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:26,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:26,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:26,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:26,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:26,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:26,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:26,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:26,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:26,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:26,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:26,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:26,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:26,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:26,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:26,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:26,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:26,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:26,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 17:52:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 17:52:26,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:26,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-12 17:52:26,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:52:26,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 17:52:26,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:52:26,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:26,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:52:26,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 17:52:26,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:52:26,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 17:52:26,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:52:26,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:26,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:52:26,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:52:26,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:26,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:26,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:52:26,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:26,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:26,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:26,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:26,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:26,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:26,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:52:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:52:26,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:26,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:26,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 17:52:26,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:26,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:26,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:52:26,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:26,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:26,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:26,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:26,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:26,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:26,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:26,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:26,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:26,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:26,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:26,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:52:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:52:26,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:26,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:26,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 17:52:26,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:26,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:26,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:26,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:26,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:26,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:26,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:26,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:26,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 17:52:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:26,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:26,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:26,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:26,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:26,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:26,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 17:52:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:26,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:26,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:26,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:26,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:26,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:26,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 17:52:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:26,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:26,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:26,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:26,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:26,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:26,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 17:52:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:26,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:26,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:26,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:26,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:26,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:26,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:26,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:26,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:26,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:26,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:26,473 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-12 17:52:26,473 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [647593584] [2020-10-12 17:52:26,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:52:26,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 17:52:26,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524748375] [2020-10-12 17:52:26,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 17:52:26,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:26,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 17:52:26,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-12 17:52:26,477 INFO L87 Difference]: Start difference. First operand 284 states and 346 transitions. Second operand 13 states. [2020-10-12 17:52:27,031 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:27,976 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:28,260 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:52:28,543 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:28,854 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 17:52:30,823 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:52:31,097 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:31,389 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:31,671 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:52:32,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:52:32,926 INFO L93 Difference]: Finished difference Result 1141 states and 1737 transitions. [2020-10-12 17:52:32,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-12 17:52:32,927 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 125 [2020-10-12 17:52:32,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:52:32,937 INFO L225 Difference]: With dead ends: 1141 [2020-10-12 17:52:32,937 INFO L226 Difference]: Without dead ends: 885 [2020-10-12 17:52:32,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=364, Invalid=1118, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 17:52:32,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2020-10-12 17:52:33,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 528. [2020-10-12 17:52:33,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-10-12 17:52:33,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 650 transitions. [2020-10-12 17:52:33,089 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 650 transitions. Word has length 125 [2020-10-12 17:52:33,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:52:33,090 INFO L479 AbstractCegarLoop]: Abstraction has 528 states and 650 transitions. [2020-10-12 17:52:33,090 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 17:52:33,090 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 650 transitions. [2020-10-12 17:52:33,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 17:52:33,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:33,097 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, 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] [2020-10-12 17:52:33,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:52:33,098 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:33,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:33,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1868069030, now seen corresponding path program 1 times [2020-10-12 17:52:33,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:33,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1830837513] [2020-10-12 17:52:33,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:33,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:33,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:33,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:33,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:33,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:33,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:38,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:38,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-12 17:52:38,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:52:38,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-12 17:52:38,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:38,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:52:38,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-12 17:52:38,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 17:52:38,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:38,439 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:38,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:38,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:38,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:38,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:38,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:38,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:52:38,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:38,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:38,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:38,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:38,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:38,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:38,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:38,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:38,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:38,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:38,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:38,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:38,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:38,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:38,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:38,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:38,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:38,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:38,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:38,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:38,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:38,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:38,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:38,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:38,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:38,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:38,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:38,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:38,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:38,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:38,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:38,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:38,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:38,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:38,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:38,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:38,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:38,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:38,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:38,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:38,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:38,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:38,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:38,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:38,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:38,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:38,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:38,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:38,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:38,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:38,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:38,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:38,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:38,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:38,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:52:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:38,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:38,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:38,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:38,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:38,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:38,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:38,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:38,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:38,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:52:38,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:38,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:52:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:38,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:38,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:38,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:38,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:38,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 17:52:38,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:52:38,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 427 [2020-10-12 17:52:38,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:52:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-12 17:52:38,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 17:52:38,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:52:39,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:39,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-12 17:52:39,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:52:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 17:52:39,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:39,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:52:39,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:39,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:52:39,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:52:39,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:39,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:39,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:39,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:39,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:52:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:39,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:52:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:52:39,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 17:52:39,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:52:39,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 17:52:39,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:52:39,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:52:39,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:52:39,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:52:39,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:39,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:52:39,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:39,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:52:39,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:39,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:39,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:39,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:52:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:52:39,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:39,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 17:52:39,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:52:39,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 17:52:39,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-12 17:52:39,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:39,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:52:39,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:39,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:39,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 17:52:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:39,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:39,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:39,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:39,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:39,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 17:52:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 17:52:39,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:52:39,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:52:39,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:39,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:39,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:39,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:39,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:39,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:52:39,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:39,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:39,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:39,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:39,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:39,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:39,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:39,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:52:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:39,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:39,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:39,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:39,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 17:52:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:39,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:39,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:39,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:39,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:39,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 17:52:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:39,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:39,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:39,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:39,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:39,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 17:52:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:39,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:39,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:39,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:39,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:39,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:39,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:39,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:39,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:39,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:39,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:39,603 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 31 proven. 17 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-12 17:52:39,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1830837513] [2020-10-12 17:52:39,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:52:39,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 17:52:39,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976558988] [2020-10-12 17:52:39,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 17:52:39,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:39,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 17:52:39,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2020-10-12 17:52:39,607 INFO L87 Difference]: Start difference. First operand 528 states and 650 transitions. Second operand 21 states. [2020-10-12 17:52:40,294 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:41,257 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:52:41,601 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:41,935 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:42,227 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:42,493 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:42,734 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:43,099 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:43,347 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:43,648 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:43,892 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:52:44,141 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:44,486 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:44,766 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:45,957 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:46,210 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:46,465 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:46,704 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:48,063 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:48,301 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:48,564 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:48,829 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:52:49,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:52:49,486 INFO L93 Difference]: Finished difference Result 1316 states and 1889 transitions. [2020-10-12 17:52:49,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-12 17:52:49,487 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 159 [2020-10-12 17:52:49,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:52:49,494 INFO L225 Difference]: With dead ends: 1316 [2020-10-12 17:52:49,494 INFO L226 Difference]: Without dead ends: 816 [2020-10-12 17:52:49,498 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1150 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=698, Invalid=3462, Unknown=0, NotChecked=0, Total=4160 [2020-10-12 17:52:49,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2020-10-12 17:52:49,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 532. [2020-10-12 17:52:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 532 states. [2020-10-12 17:52:49,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 628 transitions. [2020-10-12 17:52:49,607 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 628 transitions. Word has length 159 [2020-10-12 17:52:49,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:52:49,608 INFO L479 AbstractCegarLoop]: Abstraction has 532 states and 628 transitions. [2020-10-12 17:52:49,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 17:52:49,608 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 628 transitions. [2020-10-12 17:52:49,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-12 17:52:49,612 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:52:49,612 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, 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] [2020-10-12 17:52:49,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 17:52:49,613 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:52:49,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:52:49,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1277341437, now seen corresponding path program 1 times [2020-10-12 17:52:49,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:52:49,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [596183178] [2020-10-12 17:52:49,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:52:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:49,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:49,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:49,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:49,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:49,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:50,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:50,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:50,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:50,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:53,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:53,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-12 17:52:53,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 17:52:53,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4120 [2020-10-12 17:52:53,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:53,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 17:52:53,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:53,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-12 17:52:53,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,022 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:52:54,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:52:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:54,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 17:52:54,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:54,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:52:54,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:54,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:54,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:54,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:52:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:54,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:54,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:54,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:54,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:54,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:54,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:54,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:54,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:52:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:52:54,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:54,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:54,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:52:54,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:52:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:54,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:54,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:54,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:54,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 17:52:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 17:52:54,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:52:54,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-12 17:52:54,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:54,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:52:54,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 17:52:54,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:52:54,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 17:52:54,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:52:54,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 17:52:54,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:52:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:52:54,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:54,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:52:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:52:54,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:54,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:54,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 17:52:54,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:54,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:52:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:52:54,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:52:54,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:54,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 17:52:54,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:54,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:52:54,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:54,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:54,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:54,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:54,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:54,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:54,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:54,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:54,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:54,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:52:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:54,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:54,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:54,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:54,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:54,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:52:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:52:54,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:54,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:54,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:52:54,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:54,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:54,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:54,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:54,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:54,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:54,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 17:52:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:54,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:52:54,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:54,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:52:54,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 17:52:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 17:52:54,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 17:52:54,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:52:54,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:52:54,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 17:52:54,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:52:54,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:54,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:52:54,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:52:54,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:52:54,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:52:54,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:52:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:52:54,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:52:54,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:52:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 17:52:54,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:52:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:54,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:54,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:54,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:54,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:52:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:54,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:54,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:54,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:52:54,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:54,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 17:52:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:54,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:52:54,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:52:54,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:52:54,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:52:54,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 17:52:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:54,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:54,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:54,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:54,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:54,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 17:52:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:52:54,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:52:54,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:52:54,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:52:54,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:52:54,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:52:54,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:52:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:52:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:52:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:52:54,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:52:54,668 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-12 17:52:54,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [596183178] [2020-10-12 17:52:54,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:52:54,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 17:52:54,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701743053] [2020-10-12 17:52:54,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 17:52:54,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:52:54,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 17:52:54,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-10-12 17:52:54,671 INFO L87 Difference]: Start difference. First operand 532 states and 628 transitions. Second operand 16 states. [2020-10-12 17:52:55,861 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-10-12 17:52:56,807 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 189 [2020-10-12 17:52:59,257 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:53:00,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:53:00,801 INFO L93 Difference]: Finished difference Result 1869 states and 2419 transitions. [2020-10-12 17:53:00,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-12 17:53:00,802 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 155 [2020-10-12 17:53:00,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:53:00,813 INFO L225 Difference]: With dead ends: 1869 [2020-10-12 17:53:00,813 INFO L226 Difference]: Without dead ends: 1357 [2020-10-12 17:53:00,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 56 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=394, Invalid=1498, Unknown=0, NotChecked=0, Total=1892 [2020-10-12 17:53:00,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2020-10-12 17:53:01,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1194. [2020-10-12 17:53:01,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-10-12 17:53:01,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1448 transitions. [2020-10-12 17:53:01,067 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1448 transitions. Word has length 155 [2020-10-12 17:53:01,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:53:01,069 INFO L479 AbstractCegarLoop]: Abstraction has 1194 states and 1448 transitions. [2020-10-12 17:53:01,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 17:53:01,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1448 transitions. [2020-10-12 17:53:01,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 17:53:01,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:53:01,077 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:53:01,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 17:53:01,078 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:53:01,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:53:01,078 INFO L82 PathProgramCache]: Analyzing trace with hash -907629911, now seen corresponding path program 1 times [2020-10-12 17:53:01,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:53:01,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910812403] [2020-10-12 17:53:01,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:53:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:01,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:01,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:01,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:01,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:01,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:01,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:01,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-12 17:53:02,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:53:02,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 905 [2020-10-12 17:53:02,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:02,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-12 17:53:02,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-12 17:53:02,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:02,243 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:53:02,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:53:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:02,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 17:53:02,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:02,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:53:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:02,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:02,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:02,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:53:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:02,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:02,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:02,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:53:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:02,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:02,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:02,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:53:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:02,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:02,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:02,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:53:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:02,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:02,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:02,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:53:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:02,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:53:02,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:02,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:53:02,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:53:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 17:53:02,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:53:02,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:02,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-12 17:53:02,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:53:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:53:02,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:53:02,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:53:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:53:02,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:53:02,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:53:02,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:02,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:53:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:53:02,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:53:02,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:53:02,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:02,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:02,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:02,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:53:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:02,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:02,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:53:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:53:02,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:53:02,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:02,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:02,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 17:53:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:02,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:02,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:02,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:53:02,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:02,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 17:53:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 17:53:02,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:53:02,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:02,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 17:53:02,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:02,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:02,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:53:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:53:02,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:53:02,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:02,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:53:02,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:53:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:02,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:53:02,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:02,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 17:53:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:02,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:02,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:53:02,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 17:53:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:02,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:02,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:53:02,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 17:53:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:02,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:02,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:02,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:02,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:02,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:02,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:02,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:02,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:53:02,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:02,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:02,668 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 17:53:02,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910812403] [2020-10-12 17:53:02,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:53:02,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 17:53:02,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972563092] [2020-10-12 17:53:02,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 17:53:02,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:53:02,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 17:53:02,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-12 17:53:02,673 INFO L87 Difference]: Start difference. First operand 1194 states and 1448 transitions. Second operand 9 states. [2020-10-12 17:53:03,559 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:53:05,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:53:05,057 INFO L93 Difference]: Finished difference Result 1755 states and 2152 transitions. [2020-10-12 17:53:05,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 17:53:05,058 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2020-10-12 17:53:05,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:53:05,067 INFO L225 Difference]: With dead ends: 1755 [2020-10-12 17:53:05,067 INFO L226 Difference]: Without dead ends: 1304 [2020-10-12 17:53:05,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2020-10-12 17:53:05,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states. [2020-10-12 17:53:05,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 1152. [2020-10-12 17:53:05,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1152 states. [2020-10-12 17:53:05,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1373 transitions. [2020-10-12 17:53:05,348 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1373 transitions. Word has length 159 [2020-10-12 17:53:05,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:53:05,350 INFO L479 AbstractCegarLoop]: Abstraction has 1152 states and 1373 transitions. [2020-10-12 17:53:05,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 17:53:05,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1373 transitions. [2020-10-12 17:53:05,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-12 17:53:05,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:53:05,355 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:53:05,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 17:53:05,356 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:53:05,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:53:05,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1036287838, now seen corresponding path program 1 times [2020-10-12 17:53:05,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:53:05,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2097039912] [2020-10-12 17:53:05,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:53:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:05,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:05,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:05,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:05,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:05,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:05,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-12 17:53:05,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:53:05,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-10-12 17:53:05,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-12 17:53:05,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-12 17:53:05,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:05,998 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:53:06,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:53:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:06,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 17:53:06,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:06,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:53:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:06,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:06,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:53:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:06,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:06,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:53:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:06,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:06,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:53:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:06,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:06,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:53:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:06,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:06,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:53:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:06,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:06,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:53:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 17:53:06,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 17:53:06,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:06,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 17:53:06,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:53:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:53:06,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:53:06,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:06,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 17:53:06,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:53:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:53:06,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:53:06,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:53:06,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:06,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:53:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:53:06,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:53:06,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:53:06,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:06,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:06,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:06,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:53:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:06,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:06,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:53:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:53:06,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:53:06,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:06,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:53:06,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:06,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:06,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 17:53:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:06,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:06,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:06,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:53:06,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 17:53:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 17:53:06,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:53:06,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:53:06,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 17:53:06,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:06,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:06,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:53:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:53:06,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:53:06,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:06,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:06,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:53:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:06,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:06,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 17:53:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:06,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:06,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:06,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:06,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:53:06,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 17:53:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:06,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:06,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:53:06,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 17:53:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:06,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:06,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:06,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:06,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:06,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:06,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:06,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:06,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:53:06,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:06,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:06,307 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 17:53:06,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2097039912] [2020-10-12 17:53:06,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:53:06,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 17:53:06,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848562809] [2020-10-12 17:53:06,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 17:53:06,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:53:06,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 17:53:06,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-12 17:53:06,311 INFO L87 Difference]: Start difference. First operand 1152 states and 1373 transitions. Second operand 9 states. [2020-10-12 17:53:06,685 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:53:08,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:53:08,103 INFO L93 Difference]: Finished difference Result 2428 states and 3014 transitions. [2020-10-12 17:53:08,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 17:53:08,104 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-10-12 17:53:08,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:53:08,114 INFO L225 Difference]: With dead ends: 2428 [2020-10-12 17:53:08,114 INFO L226 Difference]: Without dead ends: 1304 [2020-10-12 17:53:08,120 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-12 17:53:08,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states. [2020-10-12 17:53:08,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 1152. [2020-10-12 17:53:08,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1152 states. [2020-10-12 17:53:08,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1351 transitions. [2020-10-12 17:53:08,377 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1351 transitions. Word has length 163 [2020-10-12 17:53:08,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:53:08,379 INFO L479 AbstractCegarLoop]: Abstraction has 1152 states and 1351 transitions. [2020-10-12 17:53:08,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 17:53:08,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1351 transitions. [2020-10-12 17:53:08,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-12 17:53:08,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:53:08,387 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:53:08,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 17:53:08,387 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:53:08,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:53:08,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1083202852, now seen corresponding path program 1 times [2020-10-12 17:53:08,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:53:08,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1497479600] [2020-10-12 17:53:08,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:53:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:08,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-12 17:53:09,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 622 [2020-10-12 17:53:09,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 17:53:09,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-12 17:53:09,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-12 17:53:09,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,286 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:53:09,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:53:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:09,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:53:09,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:53:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:09,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:09,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:53:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:09,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:09,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:53:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:09,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:09,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:53:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:09,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:09,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:53:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:09,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:09,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:53:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:09,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:09,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:53:09,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:53:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 17:53:09,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 17:53:09,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:53:09,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:53:09,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 17:53:09,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:53:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 17:53:09,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:53:09,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 17:53:09,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:53:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:53:09,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:53:09,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:53:09,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:09,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:53:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:53:09,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:53:09,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:53:09,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:09,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:09,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:09,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:53:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:09,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:09,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:53:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:53:09,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:53:09,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:09,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:53:09,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:53:09,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:09,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:09,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 17:53:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:09,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:09,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:09,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:53:09,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 17:53:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-12 17:53:09,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 17:53:09,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:53:09,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:53:09,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 17:53:09,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:09,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:53:09,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:53:09,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:53:09,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:53:09,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:53:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:53:09,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:53:09,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:09,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:53:09,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:53:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:09,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:09,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 17:53:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:53:09,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:53:09,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:09,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 17:53:09,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:53:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:09,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:09,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:53:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:09,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:09,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 17:53:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:09,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:53:09,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:53:09,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:53:09,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:53:09,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 17:53:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:09,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:09,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:53:09,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 17:53:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:53:09,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:09,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 17:53:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:53:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:09,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:53:09,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:09,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-12 17:53:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:09,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:09,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:53:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-12 17:53:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:09,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:09,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:09,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:09,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:09,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:53:09,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:53:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:09,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 44 proven. 9 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-12 17:53:09,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1497479600] [2020-10-12 17:53:09,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:53:09,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 17:53:09,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200831695] [2020-10-12 17:53:09,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 17:53:09,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:53:09,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 17:53:09,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-12 17:53:09,716 INFO L87 Difference]: Start difference. First operand 1152 states and 1351 transitions. Second operand 12 states. [2020-10-12 17:53:10,140 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:53:10,676 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:53:11,088 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:53:12,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:53:12,908 INFO L93 Difference]: Finished difference Result 2346 states and 2934 transitions. [2020-10-12 17:53:12,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 17:53:12,909 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 183 [2020-10-12 17:53:12,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:53:12,917 INFO L225 Difference]: With dead ends: 2346 [2020-10-12 17:53:12,917 INFO L226 Difference]: Without dead ends: 1336 [2020-10-12 17:53:12,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 70 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=216, Invalid=654, Unknown=0, NotChecked=0, Total=870 [2020-10-12 17:53:12,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2020-10-12 17:53:13,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1135. [2020-10-12 17:53:13,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2020-10-12 17:53:13,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1303 transitions. [2020-10-12 17:53:13,121 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1303 transitions. Word has length 183 [2020-10-12 17:53:13,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:53:13,122 INFO L479 AbstractCegarLoop]: Abstraction has 1135 states and 1303 transitions. [2020-10-12 17:53:13,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 17:53:13,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1303 transitions. [2020-10-12 17:53:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-12 17:53:13,127 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:53:13,127 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:53:13,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 17:53:13,127 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:53:13,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:53:13,128 INFO L82 PathProgramCache]: Analyzing trace with hash -402984640, now seen corresponding path program 1 times [2020-10-12 17:53:13,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:53:13,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997273045] [2020-10-12 17:53:13,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:53:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 17:53:13,173 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 17:53:13,174 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 17:53:13,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 17:53:13,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 05:53:13 BoogieIcfgContainer [2020-10-12 17:53:13,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 17:53:13,213 INFO L168 Benchmark]: Toolchain (without parser) took 74189.14 ms. Allocated memory was 147.8 MB in the beginning and 897.1 MB in the end (delta: 749.2 MB). Free memory was 103.0 MB in the beginning and 285.6 MB in the end (delta: -182.6 MB). Peak memory consumption was 566.6 MB. Max. memory is 7.1 GB. [2020-10-12 17:53:13,214 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 17:53:13,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.44 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 102.8 MB in the beginning and 170.3 MB in the end (delta: -67.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-10-12 17:53:13,215 INFO L168 Benchmark]: Boogie Preprocessor took 130.00 ms. Allocated memory is still 203.9 MB. Free memory was 170.3 MB in the beginning and 166.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-10-12 17:53:13,216 INFO L168 Benchmark]: RCFGBuilder took 1176.50 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 166.4 MB in the beginning and 189.9 MB in the end (delta: -23.5 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2020-10-12 17:53:13,217 INFO L168 Benchmark]: TraceAbstraction took 72211.42 ms. Allocated memory was 234.4 MB in the beginning and 897.1 MB in the end (delta: 662.7 MB). Free memory was 189.9 MB in the beginning and 285.6 MB in the end (delta: -95.8 MB). Peak memory consumption was 566.9 MB. Max. memory is 7.1 GB. [2020-10-12 17:53:13,221 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.44 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 102.8 MB in the beginning and 170.3 MB in the end (delta: -67.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.00 ms. Allocated memory is still 203.9 MB. Free memory was 170.3 MB in the beginning and 166.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1176.50 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 166.4 MB in the beginning and 189.9 MB in the end (delta: -23.5 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 72211.42 ms. Allocated memory was 234.4 MB in the beginning and 897.1 MB in the end (delta: 662.7 MB). Free memory was 189.9 MB in the beginning and 285.6 MB in the end (delta: -95.8 MB). Peak memory consumption was 566.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 830]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L43] int methAndRunningLastTime ; [L251] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L455] int pumpRunning = 0; [L456] int systemActive = 1; [L628] int waterLevel = 1; [L629] int methaneLevelCritical = 0; [L835] int cleanupTimeShifts = 4; [L909] int retValue_acc ; [L910] int tmp ; [L914] FCALL select_helpers() [L915] FCALL select_features() [L916] CALL, EXPR valid_product() [L817] int retValue_acc ; [L820] retValue_acc = 1 [L821] return (retValue_acc); [L916] RET, EXPR valid_product() [L916] tmp = valid_product() [L918] COND TRUE \read(tmp) [L920] FCALL setup() [L921] CALL runTest() [L902] CALL __utac_acc__Specification2_spec__1() [L48] methAndRunningLastTime = 0 [L902] RET __utac_acc__Specification2_spec__1() [L903] CALL test() [L724] int splverifierCounter ; [L725] int tmp ; [L726] int tmp___0 ; [L727] int tmp___1 ; [L728] int tmp___2 ; [L731] splverifierCounter = 0 [L733] COND TRUE 1 [L735] COND TRUE splverifierCounter < 4 [L741] tmp = __VERIFIER_nondet_int() [L743] COND TRUE \read(tmp) [L745] CALL waterRise() [L646] COND TRUE waterLevel < 2 [L647] waterLevel = waterLevel + 1 [L745] RET waterRise() [L751] tmp___0 = __VERIFIER_nondet_int() [L753] COND FALSE !(\read(tmp___0)) [L761] tmp___2 = __VERIFIER_nondet_int() [L763] COND TRUE \read(tmp___2) [L776] CALL timeShift() [L462] COND FALSE !(\read(pumpRunning)) [L469] COND TRUE \read(systemActive) [L471] CALL processEnvironment() [L491] int tmp ; [L494] COND TRUE ! pumpRunning [L496] CALL, EXPR isHighWaterLevel() [L606] int retValue_acc ; [L607] int tmp ; [L608] int tmp___0 ; [L612] CALL, EXPR isHighWaterSensorDry() [L708] int retValue_acc ; [L711] COND FALSE !(waterLevel < 2) [L715] retValue_acc = 0 [L716] return (retValue_acc); [L612] RET, EXPR isHighWaterSensorDry() [L612] tmp = isHighWaterSensorDry() [L614] COND FALSE !(\read(tmp)) [L617] tmp___0 = 1 [L619] retValue_acc = tmp___0 [L620] return (retValue_acc); [L496] RET, EXPR isHighWaterLevel() [L496] tmp = isHighWaterLevel() [L498] COND TRUE \read(tmp) [L500] CALL activatePump() [L525] int tmp ; [L529] CALL, EXPR isMethaneAlarm() [L550] int retValue_acc ; [L554] CALL, EXPR isMethaneLevelCritical() [L667] int retValue_acc ; [L670] retValue_acc = methaneLevelCritical [L671] return (retValue_acc); [L554] RET, EXPR isMethaneLevelCritical() [L554] retValue_acc = isMethaneLevelCritical() [L556] return (retValue_acc); [L529] RET, EXPR isMethaneAlarm() [L529] tmp = isMethaneAlarm() [L531] COND FALSE !(\read(tmp)) [L535] CALL activatePump__wrappee__highWaterSensor() [L519] pumpRunning = 1 [L535] RET activatePump__wrappee__highWaterSensor() [L500] RET activatePump() [L471] RET processEnvironment() [L477] CALL __utac_acc__Specification2_spec__2() [L53] int tmp ; [L54] int tmp___0 ; [L58] CALL, EXPR isMethaneLevelCritical() [L667] int retValue_acc ; [L670] retValue_acc = methaneLevelCritical [L671] return (retValue_acc); [L58] RET, EXPR isMethaneLevelCritical() [L58] tmp = isMethaneLevelCritical() [L60] COND FALSE !(\read(tmp)) [L76] methAndRunningLastTime = 0 [L477] RET __utac_acc__Specification2_spec__2() [L776] RET timeShift() [L733] COND TRUE 1 [L735] COND TRUE splverifierCounter < 4 [L741] tmp = __VERIFIER_nondet_int() [L743] COND FALSE !(\read(tmp)) [L751] tmp___0 = __VERIFIER_nondet_int() [L753] COND TRUE \read(tmp___0) [L755] CALL changeMethaneLevel() [L658] COND FALSE !(\read(methaneLevelCritical)) [L661] methaneLevelCritical = 1 [L755] RET changeMethaneLevel() [L761] tmp___2 = __VERIFIER_nondet_int() [L763] COND TRUE \read(tmp___2) [L776] CALL timeShift() [L462] COND TRUE \read(pumpRunning) [L464] CALL lowerWaterLevel() [L634] COND TRUE waterLevel > 0 [L635] waterLevel = waterLevel - 1 [L464] RET lowerWaterLevel() [L469] COND TRUE \read(systemActive) [L471] CALL processEnvironment() [L491] int tmp ; [L494] COND FALSE !(! pumpRunning) [L509] FCALL processEnvironment__wrappee__base() [L471] RET processEnvironment() [L477] CALL __utac_acc__Specification2_spec__2() [L53] int tmp ; [L54] int tmp___0 ; [L58] CALL, EXPR isMethaneLevelCritical() [L667] int retValue_acc ; [L670] retValue_acc = methaneLevelCritical [L671] return (retValue_acc); [L58] RET, EXPR isMethaneLevelCritical() [L58] tmp = isMethaneLevelCritical() [L60] COND TRUE \read(tmp) [L62] CALL, EXPR isPumpRunning() [L561] int retValue_acc ; [L564] retValue_acc = pumpRunning [L565] return (retValue_acc); [L62] RET, EXPR isPumpRunning() [L62] tmp___0 = isPumpRunning() [L64] COND TRUE \read(tmp___0) [L65] COND FALSE !(\read(methAndRunningLastTime)) [L70] methAndRunningLastTime = 1 [L477] RET __utac_acc__Specification2_spec__2() [L776] RET timeShift() [L733] COND TRUE 1 [L735] COND TRUE splverifierCounter < 4 [L741] tmp = __VERIFIER_nondet_int() [L743] COND FALSE !(\read(tmp)) [L751] tmp___0 = __VERIFIER_nondet_int() [L753] COND FALSE !(\read(tmp___0)) [L761] tmp___2 = __VERIFIER_nondet_int() [L763] COND TRUE \read(tmp___2) [L776] CALL timeShift() [L462] COND TRUE \read(pumpRunning) [L464] CALL lowerWaterLevel() [L634] COND TRUE waterLevel > 0 [L635] waterLevel = waterLevel - 1 [L464] RET lowerWaterLevel() [L469] COND TRUE \read(systemActive) [L471] CALL processEnvironment() [L491] int tmp ; [L494] COND FALSE !(! pumpRunning) [L509] FCALL processEnvironment__wrappee__base() [L471] RET processEnvironment() [L477] CALL __utac_acc__Specification2_spec__2() [L53] int tmp ; [L54] int tmp___0 ; [L58] CALL, EXPR isMethaneLevelCritical() [L667] int retValue_acc ; [L670] retValue_acc = methaneLevelCritical [L671] return (retValue_acc); [L58] RET, EXPR isMethaneLevelCritical() [L58] tmp = isMethaneLevelCritical() [L60] COND TRUE \read(tmp) [L62] CALL, EXPR isPumpRunning() [L561] int retValue_acc ; [L564] retValue_acc = pumpRunning [L565] return (retValue_acc); [L62] RET, EXPR isPumpRunning() [L62] tmp___0 = isPumpRunning() [L64] COND TRUE \read(tmp___0) [L65] COND TRUE \read(methAndRunningLastTime) [L67] CALL __automaton_fail() [L830] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 72.1s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 39.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1020 SDtfs, 4366 SDslu, 1888 SDs, 0 SdLazy, 10029 SolverSat, 2987 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 678 GetRequests, 416 SyntacticMatches, 10 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2596 ImplicationChecksByTransitivity, 19.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1194occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 1414 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 30.1s InterpolantComputationTime, 1264 NumberOfCodeBlocks, 1264 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1077 ConstructedInterpolants, 0 QuantifiedInterpolants, 502259 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 370/417 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...