/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=0.4 --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_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:07:50,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:07:50,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:07:50,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:07:50,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:07:50,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:07:50,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:07:50,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:07:50,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:07:50,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:07:50,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:07:50,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:07:50,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:07:50,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:07:50,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:07:50,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:07:50,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:07:50,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:07:50,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:07:50,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:07:50,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:07:50,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:07:50,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:07:50,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:07:50,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:07:50,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:07:50,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:07:50,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:07:50,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:07:50,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:07:50,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:07:50,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:07:50,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:07:50,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:07:50,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:07:50,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:07:50,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:07:50,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:07:50,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:07:50,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:07:50,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:07:50,693 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 05:07:50,747 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:07:50,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:07:50,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:07:50,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:07:50,750 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:07:50,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:07:50,750 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:07:50,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:07:50,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:07:50,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:07:50,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:07:50,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:07:50,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:07:50,752 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:07:50,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:07:50,753 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:07:50,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:07:50,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:07:50,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:07:50,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:07:50,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:07:50,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:07:50,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:07:50,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:07:50,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:07:50,756 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:07:50,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:07:50,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:07:50,757 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:07:50,757 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 05:07:51,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:07:51,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:07:51,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:07:51,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:07:51,225 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:07:51,227 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2020-09-25 05:07:51,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/760df4b69/3ac85eefc6cc45148ef04740ae19cfbe/FLAGc3327c2b3 [2020-09-25 05:07:51,889 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:07:51,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2020-09-25 05:07:51,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/760df4b69/3ac85eefc6cc45148ef04740ae19cfbe/FLAGc3327c2b3 [2020-09-25 05:07:52,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/760df4b69/3ac85eefc6cc45148ef04740ae19cfbe [2020-09-25 05:07:52,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:07:52,196 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:07:52,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:07:52,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:07:52,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:07:52,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:07:52" (1/1) ... [2020-09-25 05:07:52,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:52, skipping insertion in model container [2020-09-25 05:07:52,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:07:52" (1/1) ... [2020-09-25 05:07:52,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:07:52,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:07:52,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:07:52,695 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:07:52,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:07:52,927 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:07:52,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:52 WrapperNode [2020-09-25 05:07:52,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:07:52,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:07:52,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:07:52,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:07:52,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:52" (1/1) ... [2020-09-25 05:07:52,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:52" (1/1) ... [2020-09-25 05:07:52,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:52" (1/1) ... [2020-09-25 05:07:52,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:52" (1/1) ... [2020-09-25 05:07:53,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:52" (1/1) ... [2020-09-25 05:07:53,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:52" (1/1) ... [2020-09-25 05:07:53,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:52" (1/1) ... [2020-09-25 05:07:53,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:07:53,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:07:53,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:07:53,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:07:53,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:52" (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 05:07:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:07:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:07:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:07:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:07:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:07:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:07:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:07:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:07:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:07:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:07:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:07:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:07:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:07:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:07:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:07:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:07:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:07:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:07:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 05:07:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 05:07:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 05:07:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:07:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:07:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:07:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:07:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:07:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:07:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 05:07:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:07:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:07:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:07:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:07:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:07:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:07:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:07:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:07:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:07:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:07:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 05:07:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:07:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:07:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:07:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:07:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:07:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:07:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:07:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:07:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:07:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:07:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:07:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:07:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:07:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:07:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:07:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:07:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:07:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 05:07:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 05:07:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:07:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:07:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:07:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 05:07:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:07:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:07:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:07:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 05:07:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:07:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:07:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 05:07:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:07:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:07:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:07:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:07:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:07:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:07:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:07:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:07:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:07:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:07:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:07:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:07:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:07:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:07:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:07:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:07:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:07:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:07:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:07:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:07:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:07:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:07:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:07:54,399 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:07:54,399 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:07:54,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:07:54 BoogieIcfgContainer [2020-09-25 05:07:54,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:07:54,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:07:54,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:07:54,413 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:07:54,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:07:52" (1/3) ... [2020-09-25 05:07:54,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d295f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:07:54, skipping insertion in model container [2020-09-25 05:07:54,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:52" (2/3) ... [2020-09-25 05:07:54,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d295f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:07:54, skipping insertion in model container [2020-09-25 05:07:54,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:07:54" (3/3) ... [2020-09-25 05:07:54,418 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2020-09-25 05:07:54,433 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:07:54,446 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:07:54,473 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:07:54,508 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:07:54,508 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:07:54,508 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:07:54,509 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:07:54,509 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:07:54,509 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:07:54,509 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:07:54,509 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:07:54,547 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states. [2020-09-25 05:07:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 05:07:54,575 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:07:54,577 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:54,578 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:07:54,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:07:54,588 INFO L82 PathProgramCache]: Analyzing trace with hash 253748862, now seen corresponding path program 1 times [2020-09-25 05:07:54,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:07:54,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [680732706] [2020-09-25 05:07:54,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:07:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:55,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:55,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:56,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:57,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:59,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:00,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:00,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 05:08:00,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:08:00,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-09-25 05:08:00,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:00,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:00,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:00,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 05:08:00,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:00,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 05:08:00,428 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:08:00,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:08:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:00,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:00,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:00,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:08:00,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:00,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-25 05:08:00,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:00,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:00,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:00,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:00,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:00,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:00,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:08:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:00,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:00,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:00,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:00,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:00,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:08:00,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:00,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:00,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:00,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:00,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:00,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:00,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:08:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:00,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:00,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:00,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:00,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:00,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:08:00,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:00,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:00,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:00,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:00,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:00,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:00,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:08:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:00,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:00,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:00,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:00,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:00,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:08:00,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:00,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:00,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:00,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:08:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:00,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:00,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:00,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:00,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:00,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:08:00,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:00,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:00,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:00,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:00,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:00,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:00,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:08:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:00,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:00,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:00,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:00,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:00,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:08:00,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:00,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:00,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:00,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:08:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:00,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:00,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:08:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:00,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:00,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:00,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:00,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:00,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:08:00,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:00,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:00,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:00,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:08:00,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:00,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:00,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:08:00,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [680732706] [2020-09-25 05:08:00,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:08:00,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 05:08:00,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873479473] [2020-09-25 05:08:00,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 05:08:00,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:08:00,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 05:08:00,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:08:00,801 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 3 states. [2020-09-25 05:08:02,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:08:02,251 INFO L93 Difference]: Finished difference Result 436 states and 522 transitions. [2020-09-25 05:08:02,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 05:08:02,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 05:08:02,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:08:02,274 INFO L225 Difference]: With dead ends: 436 [2020-09-25 05:08:02,274 INFO L226 Difference]: Without dead ends: 276 [2020-09-25 05:08:02,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:08:02,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-25 05:08:02,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 234. [2020-09-25 05:08:02,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-09-25 05:08:02,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 253 transitions. [2020-09-25 05:08:02,399 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 253 transitions. Word has length 142 [2020-09-25 05:08:02,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:08:02,401 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 253 transitions. [2020-09-25 05:08:02,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 05:08:02,402 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 253 transitions. [2020-09-25 05:08:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 05:08:02,414 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:08:02,414 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:02,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:08:02,415 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:08:02,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:08:02,418 INFO L82 PathProgramCache]: Analyzing trace with hash 548958349, now seen corresponding path program 1 times [2020-09-25 05:08:02,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:08:02,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [538493591] [2020-09-25 05:08:02,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:08:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:02,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:02,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:04,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:04,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:05,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:07,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:07,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 05:08:07,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:08:07,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 05:08:07,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:07,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:07,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:08:07,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 05:08:07,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:08:07,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:07,813 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:08:07,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:08:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:07,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:07,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:07,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:08:07,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:07,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 05:08:07,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:07,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:07,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:07,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:07,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:07,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:07,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:08:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:07,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:07,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:07,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:07,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:07,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:07,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:07,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:07,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:07,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:07,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:07,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:07,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:08:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:07,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:07,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:07,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:07,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:07,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:08:07,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:07,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:07,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:07,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:07,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:07,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:07,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:08:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:07,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:07,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:07,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:07,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:07,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:08:07,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:07,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:07,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:07,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:07,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:07,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:07,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:08:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:07,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:07,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:07,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:07,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:07,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:07,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:07,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:07,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:07,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:07,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:07,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:07,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:08:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:07,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:07,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:07,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:07,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:07,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:07,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:07,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:08:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:07,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:07,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 05:08:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:08,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:08,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:08,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:08,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:08,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:08,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:08,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:08,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:08,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:08:08,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:08,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:08:08,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [538493591] [2020-09-25 05:08:08,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:08:08,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:08:08,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256288903] [2020-09-25 05:08:08,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:08:08,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:08:08,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:08:08,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:08:08,075 INFO L87 Difference]: Start difference. First operand 234 states and 253 transitions. Second operand 4 states. [2020-09-25 05:08:08,651 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:09,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:08:09,439 INFO L93 Difference]: Finished difference Result 343 states and 385 transitions. [2020-09-25 05:08:09,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 05:08:09,441 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 05:08:09,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:08:09,449 INFO L225 Difference]: With dead ends: 343 [2020-09-25 05:08:09,450 INFO L226 Difference]: Without dead ends: 259 [2020-09-25 05:08:09,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:08:09,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-09-25 05:08:09,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 224. [2020-09-25 05:08:09,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-09-25 05:08:09,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 240 transitions. [2020-09-25 05:08:09,537 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 240 transitions. Word has length 143 [2020-09-25 05:08:09,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:08:09,539 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 240 transitions. [2020-09-25 05:08:09,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:08:09,539 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 240 transitions. [2020-09-25 05:08:09,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 05:08:09,547 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:08:09,547 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:09,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:08:09,548 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:08:09,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:08:09,548 INFO L82 PathProgramCache]: Analyzing trace with hash 512450906, now seen corresponding path program 1 times [2020-09-25 05:08:09,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:08:09,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41634725] [2020-09-25 05:08:09,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:08:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:09,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:09,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:10,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:10,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:14,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:14,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 05:08:14,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:08:14,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 05:08:14,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:14,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:14,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:08:14,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 05:08:14,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:08:14,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:14,984 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:08:14,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:08:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:15,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:15,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:15,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:08:15,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:15,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-25 05:08:15,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:15,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:15,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:15,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:15,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:15,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:15,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:08:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:15,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:15,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:15,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:15,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:15,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:15,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:15,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:15,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:15,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:15,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:15,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:15,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:08:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:15,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:15,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:15,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:15,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:15,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:15,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:15,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:15,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:15,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:15,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:15,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:15,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:08:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:15,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:15,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:15,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:15,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:15,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:08:15,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:15,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:15,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:15,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:15,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:15,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:08:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:15,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:15,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:15,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:15,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:15,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:15,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:15,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:15,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:15,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:15,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:15,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:15,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 05:08:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:15,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:15,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:15,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:08:15,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:15,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:08:15,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:15,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:08:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:15,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:08:15,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:08:15,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:08:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:15,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:15,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:15,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:15,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:15,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:08:15,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:15,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:15,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:08:15,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:15,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:15,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 05:08:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:15,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:15,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:15,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:15,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:15,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:08:15,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:15,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:08:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:15,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:08:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:08:15,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41634725] [2020-09-25 05:08:15,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:08:15,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:08:15,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898015525] [2020-09-25 05:08:15,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:08:15,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:08:15,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:08:15,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:08:15,312 INFO L87 Difference]: Start difference. First operand 224 states and 240 transitions. Second operand 5 states. [2020-09-25 05:08:15,993 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:08:17,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:08:17,595 INFO L93 Difference]: Finished difference Result 518 states and 601 transitions. [2020-09-25 05:08:17,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:08:17,596 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 05:08:17,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:08:17,601 INFO L225 Difference]: With dead ends: 518 [2020-09-25 05:08:17,601 INFO L226 Difference]: Without dead ends: 404 [2020-09-25 05:08:17,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:08:17,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2020-09-25 05:08:17,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 328. [2020-09-25 05:08:17,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-09-25 05:08:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 361 transitions. [2020-09-25 05:08:17,676 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 361 transitions. Word has length 156 [2020-09-25 05:08:17,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:08:17,677 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 361 transitions. [2020-09-25 05:08:17,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:08:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 361 transitions. [2020-09-25 05:08:17,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:08:17,680 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:08:17,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:17,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:08:17,680 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:08:17,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:08:17,681 INFO L82 PathProgramCache]: Analyzing trace with hash 16391841, now seen corresponding path program 1 times [2020-09-25 05:08:17,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:08:17,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241383207] [2020-09-25 05:08:17,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:08:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:17,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:18,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:18,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:19,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:22,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:22,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 05:08:22,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:08:22,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 05:08:22,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:22,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:22,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:08:22,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 05:08:22,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 05:08:22,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:08:23,101 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:08:23,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:08:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:23,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:23,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:23,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:08:23,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:23,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 05:08:23,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:23,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:23,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:23,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:23,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:23,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:08:23,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:08:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:23,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:23,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:23,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:23,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:23,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:23,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:23,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:23,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:23,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:23,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:23,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:23,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:08:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:23,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:23,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:23,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:23,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:23,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:08:23,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:23,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:23,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:23,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:08:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:23,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:23,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:23,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:23,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:23,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:08:23,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:23,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:23,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:23,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:23,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:23,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:23,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:08:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:23,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:23,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:23,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:08:23,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:23,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:08:23,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:23,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:23,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:08:23,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:23,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:08:23,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:08:23,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 05:08:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:23,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:23,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:23,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:08:23,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:23,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:08:23,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:23,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:08:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:08:23,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:08:23,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 05:08:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:23,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:23,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:23,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:23,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:23,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:08:23,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:23,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:08:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:23,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:08:23,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:08:23,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 05:08:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:08:23,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:08:23,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:08:23,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:08:23,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:08:23,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:08:23,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:08:23,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:08:23,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:08:23,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:08:23,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:08:23,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:08:23,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:08:23,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241383207] [2020-09-25 05:08:23,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:08:23,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:08:23,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779706759] [2020-09-25 05:08:23,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:08:23,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:08:23,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:08:23,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:08:23,404 INFO L87 Difference]: Start difference. First operand 328 states and 361 transitions. Second operand 9 states. [2020-09-25 05:08:24,094 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:25,342 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:25,659 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:08:25,983 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:08:26,327 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:08:26,611 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:08:26,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:08:26,836 INFO L93 Difference]: Finished difference Result 527 states and 614 transitions. [2020-09-25 05:08:26,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 05:08:26,836 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 05:08:26,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:08:26,837 INFO L225 Difference]: With dead ends: 527 [2020-09-25 05:08:26,838 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:08:26,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:08:26,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:08:26,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:08:26,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:08:26,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:08:26,842 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 05:08:26,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:08:26,843 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:08:26,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:08:26,843 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:08:26,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:08:26,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:08:26,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:08:27,034 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:27,200 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:27,327 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 05:08:27,494 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:27,659 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:27,817 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:27,976 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:28,140 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:28,297 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:28,405 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 05:08:28,516 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 7 [2020-09-25 05:08:28,838 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 05:08:29,164 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 05:08:29,485 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 05:08:29,637 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:08:29,798 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:29,952 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:30,106 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:30,256 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:30,408 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:30,560 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:30,710 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:30,862 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:31,015 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:31,167 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:31,322 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:31,641 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 05:08:31,961 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 05:08:32,279 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 05:08:32,523 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 05:08:32,625 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 05:08:32,778 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:32,931 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:33,084 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:33,237 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:33,385 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:33,537 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:33,700 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:33,849 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:33,999 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:34,152 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:34,307 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:34,562 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:34,711 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:34,869 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:35,188 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 05:08:35,507 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 05:08:35,827 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 05:08:36,064 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 05:08:36,217 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:36,375 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:36,523 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:36,624 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 05:08:36,777 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:36,936 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:37,095 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:37,244 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:37,399 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:37,553 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:37,705 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:08:37,853 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:08:38,265 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 9 [2020-09-25 05:08:38,495 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 05:08:38,690 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 05:08:38,944 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 05:08:39,154 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 05:08:39,393 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 10 [2020-09-25 05:08:39,638 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:08:40,044 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 13 [2020-09-25 05:08:40,261 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 05:08:40,554 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 10 [2020-09-25 05:08:40,922 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 13 [2020-09-25 05:08:41,150 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 05:08:41,541 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 10