/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 SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:12:13,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:12:13,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:12:13,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:12:13,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:12:13,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:12:13,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:12:13,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:12:13,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:12:13,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:12:13,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:12:13,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:12:13,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:12:13,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:12:13,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:12:13,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:12:13,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:12:13,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:12:13,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:12:13,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:12:13,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:12:13,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:12:13,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:12:13,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:12:13,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:12:13,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:12:13,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:12:13,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:12:13,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:12:13,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:12:13,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:12:13,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:12:13,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:12:13,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:12:13,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:12:13,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:12:13,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:12:13,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:12:13,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:12:13,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:12:13,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:12:13,808 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 [2020-09-25 04:12:13,853 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:12:13,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:12:13,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:12:13,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:12:13,855 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:12:13,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:12:13,856 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:12:13,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:12:13,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:12:13,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:12:13,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:12:13,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:12:13,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:12:13,858 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:12:13,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:12:13,859 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:12:13,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:12:13,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:12:13,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:12:13,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:12:13,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:12:13,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:12:13,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:12:13,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:12:13,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:12:13,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:12:13,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:12:13,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:12:13,861 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:12:13,861 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:12:14,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:12:14,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:12:14,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:12:14,318 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:12:14,319 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:12:14,320 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2020-09-25 04:12:14,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1fcaade9/9e5d9b3baebd4fe9bf5c235ed16bacab/FLAGcd1316b9a [2020-09-25 04:12:15,026 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:12:15,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2020-09-25 04:12:15,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1fcaade9/9e5d9b3baebd4fe9bf5c235ed16bacab/FLAGcd1316b9a [2020-09-25 04:12:15,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1fcaade9/9e5d9b3baebd4fe9bf5c235ed16bacab [2020-09-25 04:12:15,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:12:15,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:12:15,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:12:15,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:12:15,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:12:15,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:12:15" (1/1) ... [2020-09-25 04:12:15,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5341aa08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:12:15, skipping insertion in model container [2020-09-25 04:12:15,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:12:15" (1/1) ... [2020-09-25 04:12:15,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:12:15,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:12:15,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:12:15,844 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:12:15,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:12:15,993 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:12:15,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:12:15 WrapperNode [2020-09-25 04:12:15,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:12:15,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:12:15,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:12:15,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:12:16,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:12:15" (1/1) ... [2020-09-25 04:12:16,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:12:15" (1/1) ... [2020-09-25 04:12:16,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:12:15" (1/1) ... [2020-09-25 04:12:16,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:12:15" (1/1) ... [2020-09-25 04:12:16,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:12:15" (1/1) ... [2020-09-25 04:12:16,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:12:15" (1/1) ... [2020-09-25 04:12:16,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:12:15" (1/1) ... [2020-09-25 04:12:16,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:12:16,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:12:16,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:12:16,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:12:16,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:12:15" (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 [2020-09-25 04:12:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:12:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:12:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:12:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:12:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:12:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:12:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:12:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:12:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 04:12:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:12:16,188 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:12:16,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:12:16,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:12:16,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:12:16,188 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 04:12:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 04:12:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:12:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:12:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:12:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:12:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:12:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:12:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:12:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:12:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:12:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:12:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:12:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:12:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:12:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:12:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:12:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:12:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:12:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:12:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:12:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:12:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:12:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:12:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:12:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:12:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:12:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:12:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:12:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:12:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:12:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:12:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:12:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:12:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:12:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:12:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:12:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:12:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:12:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:12:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:12:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 04:12:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 04:12:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:12:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 04:12:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:12:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:12:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:12:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:12:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:12:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:12:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:12:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:12:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:12:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:12:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:12:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:12:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:12:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:12:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:12:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:12:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:12:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:12:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:12:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:12:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:12:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:12:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:12:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:12:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:12:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:12:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:12:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:12:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:12:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:12:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:12:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:12:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:12:17,305 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:12:17,306 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:12:17,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:12:17 BoogieIcfgContainer [2020-09-25 04:12:17,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:12:17,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:12:17,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:12:17,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:12:17,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:12:15" (1/3) ... [2020-09-25 04:12:17,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11262e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:12:17, skipping insertion in model container [2020-09-25 04:12:17,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:12:15" (2/3) ... [2020-09-25 04:12:17,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11262e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:12:17, skipping insertion in model container [2020-09-25 04:12:17,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:12:17" (3/3) ... [2020-09-25 04:12:17,322 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product12.cil.c [2020-09-25 04:12:17,334 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:12:17,345 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:12:17,367 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:12:17,397 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:12:17,397 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:12:17,397 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:12:17,397 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:12:17,397 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:12:17,398 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:12:17,398 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:12:17,398 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:12:17,422 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states. [2020-09-25 04:12:17,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 04:12:17,438 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:12:17,440 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:12:17,440 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:12:17,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:12:17,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1599940567, now seen corresponding path program 1 times [2020-09-25 04:12:17,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:12:17,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [907797936] [2020-09-25 04:12:17,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:12:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:17,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:18,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:19,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:19,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:22,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:22,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:22,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 04:12:22,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:12:22,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5092 [2020-09-25 04:12:22,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:22,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:22,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 04:12:22,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:22,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 04:12:23,497 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:12:23,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:12:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:23,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:23,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:23,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:12:23,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:23,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-25 04:12:23,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:23,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:23,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:23,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:23,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:23,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:23,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:12:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:23,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:23,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:23,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:23,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:23,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:12:23,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:23,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:23,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:23,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:23,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:23,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:23,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:12:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:23,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:23,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:23,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:23,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:23,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:12:23,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:23,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:23,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:23,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:23,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:23,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:23,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:12:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:23,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:23,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:23,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:23,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:23,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 04:12:23,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:23,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:23,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:23,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:12:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:23,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:23,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:23,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:23,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:23,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:23,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:23,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:23,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:23,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:12:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:23,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:23,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:23,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:12:23,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:23,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:23,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:23,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:23,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:23,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 04:12:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:23,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:23,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:23,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:12:23,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:23,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:12:23,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:23,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:23,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:23,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:12:23,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:23,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:23,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:12:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:23,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:23,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:23,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:23,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:23,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:12:23,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:23,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:23,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:23,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:23,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:23,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:23,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 04:12:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:23,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:23,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:23,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:23,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:23,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:12:23,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:23,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:23,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:23,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:12:23,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:23,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 04:12:23,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 04:12:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:23,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:23,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:23,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:23,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:23,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:23,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:23,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:23,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:23,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:12:23,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:23,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 04:12:23,998 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:12:23,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [907797936] [2020-09-25 04:12:24,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:12:24,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:12:24,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920305478] [2020-09-25 04:12:24,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:12:24,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:12:24,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:12:24,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:12:24,038 INFO L87 Difference]: Start difference. First operand 267 states. Second operand 4 states. [2020-09-25 04:12:25,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:12:25,254 INFO L93 Difference]: Finished difference Result 392 states and 465 transitions. [2020-09-25 04:12:25,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:12:25,257 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 04:12:25,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:12:25,293 INFO L225 Difference]: With dead ends: 392 [2020-09-25 04:12:25,293 INFO L226 Difference]: Without dead ends: 261 [2020-09-25 04:12:25,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:12:25,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-09-25 04:12:25,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 216. [2020-09-25 04:12:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-09-25 04:12:25,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 232 transitions. [2020-09-25 04:12:25,425 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 232 transitions. Word has length 160 [2020-09-25 04:12:25,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:12:25,427 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 232 transitions. [2020-09-25 04:12:25,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:12:25,427 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 232 transitions. [2020-09-25 04:12:25,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 04:12:25,432 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:12:25,433 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:12:25,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:12:25,433 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:12:25,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:12:25,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1673609815, now seen corresponding path program 1 times [2020-09-25 04:12:25,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:12:25,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785704348] [2020-09-25 04:12:25,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:12:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:25,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:25,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:27,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:27,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:28,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:30,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:30,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 04:12:30,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:12:30,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 04:12:30,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:30,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:30,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:12:30,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 04:12:30,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:12:30,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:30,846 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:12:30,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:12:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:30,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:30,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:30,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:12:30,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:30,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 04:12:30,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:30,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:30,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:30,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:30,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:30,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:31,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:12:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:31,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:31,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:31,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:31,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:31,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:31,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:31,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:31,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:31,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:31,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:31,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:31,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:12:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:31,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:31,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:31,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:31,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:31,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:12:31,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:31,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:31,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:31,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:31,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:31,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:31,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:12:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:31,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:31,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:31,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:31,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:31,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:12:31,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:31,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:31,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:31,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:31,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:31,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:31,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:12:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:31,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:31,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:31,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:31,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:31,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:12:31,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:31,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:31,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:31,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:31,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:31,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:31,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:12:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:31,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:31,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:31,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:12:31,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:31,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:12:31,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:31,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:31,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:31,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:31,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:31,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:12:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:31,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:31,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:31,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:12:31,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:31,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:12:31,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:31,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:31,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:31,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:12:31,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:31,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:31,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:12:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:31,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:31,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:31,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:31,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:31,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:31,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:31,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:31,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:31,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:31,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:31,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:31,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 04:12:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:31,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:31,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:31,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:31,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:31,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:31,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:31,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:31,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:31,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:12:31,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:31,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:31,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:12:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:31,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:31,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:31,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:31,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:31,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:31,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:31,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:31,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:12:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:31,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:12:31,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785704348] [2020-09-25 04:12:31,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:12:31,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:12:31,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389199201] [2020-09-25 04:12:31,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:12:31,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:12:31,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:12:31,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:12:31,128 INFO L87 Difference]: Start difference. First operand 216 states and 232 transitions. Second operand 5 states. [2020-09-25 04:12:31,798 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:12:32,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:12:32,576 INFO L93 Difference]: Finished difference Result 308 states and 347 transitions. [2020-09-25 04:12:32,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:12:32,577 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 04:12:32,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:12:32,581 INFO L225 Difference]: With dead ends: 308 [2020-09-25 04:12:32,581 INFO L226 Difference]: Without dead ends: 250 [2020-09-25 04:12:32,583 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:12:32,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-09-25 04:12:32,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 206. [2020-09-25 04:12:32,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-09-25 04:12:32,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 219 transitions. [2020-09-25 04:12:32,652 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 219 transitions. Word has length 161 [2020-09-25 04:12:32,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:12:32,652 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 219 transitions. [2020-09-25 04:12:32,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:12:32,654 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 219 transitions. [2020-09-25 04:12:32,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 04:12:32,661 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:12:32,661 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:12:32,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:12:32,662 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:12:32,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:12:32,662 INFO L82 PathProgramCache]: Analyzing trace with hash -964105756, now seen corresponding path program 1 times [2020-09-25 04:12:32,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:12:32,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1735474341] [2020-09-25 04:12:32,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:12:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:32,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:32,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:33,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:35,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:37,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:37,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 04:12:37,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:12:37,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 04:12:37,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:37,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:37,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:12:37,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 04:12:37,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 04:12:37,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:12:38,052 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:12:38,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:12:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:38,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:38,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:38,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:12:38,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:38,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 04:12:38,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:38,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:38,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:38,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:38,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:38,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:12:38,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:12:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:38,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:38,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:38,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:38,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:38,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:12:38,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:38,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:38,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:38,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:38,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:38,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:38,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:12:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:38,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:38,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:38,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:38,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:38,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:12:38,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:38,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:38,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:38,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:38,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:38,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:12:38,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:12:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:38,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:38,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:38,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:38,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:38,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:12:38,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:38,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:38,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:38,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:38,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:38,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:38,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:12:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:38,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:38,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:38,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:38,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:38,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:12:38,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:38,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:38,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:38,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:38,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:38,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:38,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:12:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:38,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:38,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:38,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:12:38,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:38,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:38,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:38,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:38,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:38,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:38,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:38,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:38,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:12:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:38,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:38,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:38,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:12:38,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:38,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:12:38,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:38,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:12:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:12:38,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:38,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:12:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:38,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:38,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:38,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:12:38,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:38,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:12:38,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:38,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:38,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:12:38,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:38,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:12:38,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:38,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:12:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:38,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:38,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:38,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:38,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:38,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:38,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:38,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:38,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:38,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:38,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:38,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:38,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 04:12:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:38,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:38,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:38,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:38,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:38,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:38,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:38,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:12:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:38,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:38,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 04:12:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:38,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:38,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:38,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:38,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:38,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:12:38,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:38,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:38,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:38,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:12:38,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:38,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:38,357 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:12:38,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1735474341] [2020-09-25 04:12:38,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:12:38,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:12:38,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736018957] [2020-09-25 04:12:38,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:12:38,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:12:38,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:12:38,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:12:38,363 INFO L87 Difference]: Start difference. First operand 206 states and 219 transitions. Second operand 6 states. [2020-09-25 04:12:39,073 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:40,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:12:40,431 INFO L93 Difference]: Finished difference Result 458 states and 533 transitions. [2020-09-25 04:12:40,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 04:12:40,432 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 04:12:40,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:12:40,437 INFO L225 Difference]: With dead ends: 458 [2020-09-25 04:12:40,437 INFO L226 Difference]: Without dead ends: 367 [2020-09-25 04:12:40,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:12:40,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2020-09-25 04:12:40,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 281. [2020-09-25 04:12:40,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-09-25 04:12:40,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 306 transitions. [2020-09-25 04:12:40,524 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 306 transitions. Word has length 174 [2020-09-25 04:12:40,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:12:40,526 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 306 transitions. [2020-09-25 04:12:40,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:12:40,527 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 306 transitions. [2020-09-25 04:12:40,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-25 04:12:40,529 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:12:40,529 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:12:40,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:12:40,530 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:12:40,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:12:40,530 INFO L82 PathProgramCache]: Analyzing trace with hash -711159163, now seen corresponding path program 1 times [2020-09-25 04:12:40,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:12:40,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1041594618] [2020-09-25 04:12:40,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:12:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:40,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:40,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:42,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:44,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:44,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 04:12:44,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:12:44,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4349 [2020-09-25 04:12:44,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:44,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:12:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-25 04:12:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 04:12:44,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:12:45,373 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:12:45,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:12:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:45,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:45,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:45,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:12:45,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:45,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 04:12:45,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:45,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:45,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:45,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:45,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:45,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:12:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:45,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:45,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:45,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:45,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:45,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:12:45,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:45,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:45,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:45,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:45,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:45,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:45,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:12:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:45,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:45,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:45,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:45,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:45,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:12:45,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:45,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:45,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:45,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:45,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:45,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:45,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:12:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:45,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:45,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:45,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:45,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:45,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:12:45,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:45,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:45,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:45,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:45,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:45,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:12:45,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:12:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:45,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:45,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:45,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:45,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:45,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:12:45,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:45,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:45,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:45,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:45,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:45,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:45,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:12:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:45,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:45,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:45,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:12:45,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:45,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:12:45,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:45,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:45,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:45,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:12:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:45,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:45,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:45,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:12:45,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:45,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:12:45,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:45,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:45,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:45,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:45,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:12:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:45,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:45,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:45,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:12:45,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:45,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:12:45,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:45,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:45,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:45,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:45,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:45,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:45,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:12:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:45,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:45,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:45,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:45,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:45,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:45,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:45,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:45,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:45,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:45,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:45,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:12:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:45,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:45,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:45,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:45,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:45,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:12:45,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:45,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:45,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:12:45,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:12:45,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:45,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 04:12:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:45,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:45,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:45,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:45,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:45,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:12:45,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:45,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:45,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:12:45,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:45,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:12:45,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:45,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 04:12:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:45,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:45,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:45,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:45,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:45,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:12:45,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:45,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:45,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:12:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:12:45,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:45,811 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 04:12:45,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1041594618] [2020-09-25 04:12:45,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:12:45,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:12:45,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955303581] [2020-09-25 04:12:45,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:12:45,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:12:45,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:12:45,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:12:45,815 INFO L87 Difference]: Start difference. First operand 281 states and 306 transitions. Second operand 10 states. [2020-09-25 04:12:46,559 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:47,674 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:48,005 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:12:48,864 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 04:12:49,204 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 04:12:49,555 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 04:12:49,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:12:49,632 INFO L93 Difference]: Finished difference Result 500 states and 589 transitions. [2020-09-25 04:12:49,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 04:12:49,632 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2020-09-25 04:12:49,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:12:49,633 INFO L225 Difference]: With dead ends: 500 [2020-09-25 04:12:49,633 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 04:12:49,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-09-25 04:12:49,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 04:12:49,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 04:12:49,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 04:12:49,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 04:12:49,637 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2020-09-25 04:12:49,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:12:49,637 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 04:12:49,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:12:49,637 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 04:12:49,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 04:12:49,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:12:49,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 04:12:49,828 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:49,966 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 04:12:50,133 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:50,302 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:50,461 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:50,621 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:50,770 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 04:12:50,927 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:51,225 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:12:51,515 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:12:51,804 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:12:52,093 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:12:52,238 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:12:52,398 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:52,552 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:52,708 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:52,865 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:53,022 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:53,175 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:53,328 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:53,476 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:53,631 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:53,789 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:53,938 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:54,091 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:54,246 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:54,400 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:54,556 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:54,710 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:54,863 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:55,016 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:55,165 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:55,334 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:55,486 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:55,640 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:55,790 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:55,944 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:56,097 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:56,249 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:56,398 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:56,552 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:56,657 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 04:12:56,817 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:56,969 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:57,083 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-25 04:12:57,236 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:57,389 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:57,541 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:57,695 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:57,845 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:57,999 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:58,168 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:58,330 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:58,482 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:58,591 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 04:12:58,889 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:12:59,171 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:12:59,451 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:12:59,742 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:12:59,845 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 04:13:00,048 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 04:13:00,330 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 04:13:00,540 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 04:13:00,773 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 04:13:00,974 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-25 04:13:01,266 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:13:01,505 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 04:13:01,909 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-09-25 04:13:02,091 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 04:13:02,404 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-25 04:13:02,621 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 04:13:03,033 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-25 04:13:03,434 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-25 04:13:03,662 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 04:13:03,883 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 04:13:04,112 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 04:13:04,323 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 04:13:04,538 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-25 04:13:04,789 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 04:13:05,017 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 04:13:05,244 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23