/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=BIGGEST --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_spec4_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:15:27,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:15:27,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:15:27,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:15:27,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:15:27,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:15:27,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:15:27,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:15:27,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:15:27,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:15:27,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:15:27,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:15:27,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:15:27,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:15:27,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:15:27,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:15:27,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:15:27,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:15:27,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:15:27,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:15:27,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:15:27,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:15:27,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:15:27,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:15:27,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:15:27,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:15:27,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:15:27,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:15:27,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:15:27,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:15:27,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:15:27,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:15:27,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:15:27,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:15:27,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:15:27,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:15:27,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:15:27,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:15:27,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:15:27,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:15:27,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:15:27,762 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 [2020-09-24 20:15:27,786 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:15:27,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:15:27,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:15:27,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:15:27,788 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:15:27,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:15:27,788 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:15:27,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:15:27,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:15:27,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:15:27,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:15:27,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:15:27,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:15:27,790 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:15:27,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:15:27,790 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:15:27,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:15:27,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:15:27,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:15:27,791 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:15:27,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:15:27,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:15:27,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:15:27,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:15:27,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:15:27,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:15:27,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:15:27,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:15:27,793 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:15:27,793 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true; [2020-09-24 20:15:28,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:15:28,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:15:28,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:15:28,262 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:15:28,264 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:15:28,265 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2020-09-24 20:15:28,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/139ea7feb/b5ae7d81dd914ebfa61a1a27d5842931/FLAGa0802bb3f [2020-09-24 20:15:28,975 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:15:28,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2020-09-24 20:15:28,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/139ea7feb/b5ae7d81dd914ebfa61a1a27d5842931/FLAGa0802bb3f [2020-09-24 20:15:29,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/139ea7feb/b5ae7d81dd914ebfa61a1a27d5842931 [2020-09-24 20:15:29,244 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:15:29,249 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:15:29,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:15:29,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:15:29,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:15:29,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:15:29" (1/1) ... [2020-09-24 20:15:29,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387f035d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:29, skipping insertion in model container [2020-09-24 20:15:29,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:15:29" (1/1) ... [2020-09-24 20:15:29,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:15:29,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:15:29,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:15:29,765 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:15:29,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:15:30,022 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:15:30,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:30 WrapperNode [2020-09-24 20:15:30,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:15:30,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:15:30,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:15:30,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:15:30,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:30" (1/1) ... [2020-09-24 20:15:30,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:30" (1/1) ... [2020-09-24 20:15:30,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:30" (1/1) ... [2020-09-24 20:15:30,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:30" (1/1) ... [2020-09-24 20:15:30,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:30" (1/1) ... [2020-09-24 20:15:30,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:30" (1/1) ... [2020-09-24 20:15:30,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:30" (1/1) ... [2020-09-24 20:15:30,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:15:30,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:15:30,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:15:30,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:15:30,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:30" (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 [2020-09-24 20:15:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:15:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:15:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:15:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:15:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:15:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:15:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:15:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:15:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:15:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:15:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:15:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:15:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:15:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 20:15:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:15:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:15:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:15:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:15:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:15:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:15:30,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:15:30,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:15:30,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:15:30,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:15:30,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:15:30,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:15:30,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 20:15:30,239 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:15:30,239 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 20:15:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:15:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:15:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:15:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:15:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:15:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:15:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 20:15:30,241 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 20:15:30,241 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 20:15:30,241 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:15:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:15:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:15:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:15:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:15:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:15:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:15:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:15:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:15:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:15:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:15:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:15:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:15:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:15:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 20:15:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:15:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:15:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:15:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:15:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:15:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:15:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:15:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:15:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:15:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:15:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:15:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:15:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:15:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:15:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:15:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:15:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:15:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:15:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:15:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:15:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:15:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:15:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:15:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:15:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:15:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:15:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:15:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 20:15:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:15:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:15:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 20:15:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 20:15:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:15:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 20:15:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 20:15:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:15:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:15:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:15:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:15:31,540 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:15:31,541 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:15:31,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:15:31 BoogieIcfgContainer [2020-09-24 20:15:31,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:15:31,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:15:31,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:15:31,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:15:31,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:15:29" (1/3) ... [2020-09-24 20:15:31,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf13da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:15:31, skipping insertion in model container [2020-09-24 20:15:31,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:30" (2/3) ... [2020-09-24 20:15:31,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf13da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:15:31, skipping insertion in model container [2020-09-24 20:15:31,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:15:31" (3/3) ... [2020-09-24 20:15:31,569 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2020-09-24 20:15:31,583 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:15:31,597 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:15:31,622 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:15:31,665 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:15:31,665 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:15:31,665 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:15:31,665 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:15:31,666 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:15:31,666 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:15:31,666 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:15:31,666 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:15:31,699 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states. [2020-09-24 20:15:31,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 20:15:31,719 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:15:31,721 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] [2020-09-24 20:15:31,721 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:15:31,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:15:31,731 INFO L82 PathProgramCache]: Analyzing trace with hash -303745462, now seen corresponding path program 1 times [2020-09-24 20:15:31,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:15:31,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1495339794] [2020-09-24 20:15:31,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:15:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:32,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:32,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:33,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:34,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:37,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:37,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 20:15:37,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:15:37,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-24 20:15:37,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:37,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:15:37,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 20:15:37,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-24 20:15:37,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 20:15:37,589 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:15:37,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:15:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:37,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:37,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:37,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:15:37,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:37,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-09-24 20:15:37,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:37,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:37,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:37,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 20:15:37,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:38,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:15:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:38,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:38,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:38,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:38,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:38,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:15:38,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:38,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:38,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:38,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:38,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:15:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:38,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:38,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:38,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:38,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:38,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:15:38,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:38,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:38,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:38,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:38,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:38,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:15:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:38,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:38,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:38,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:38,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:38,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:15:38,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:38,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:38,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:38,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:38,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:38,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:15:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:38,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:38,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:38,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:38,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:38,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:15:38,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:38,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:38,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:38,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:38,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:38,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 20:15:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:38,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:38,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:38,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:38,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:38,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:15:38,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:38,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:15:38,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:38,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:38,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:38,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 20:15:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:38,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:38,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:38,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:38,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:38,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:38,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:38,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:38,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:15:38,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:38,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:38,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:15:38,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1495339794] [2020-09-24 20:15:38,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:15:38,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 20:15:38,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077571323] [2020-09-24 20:15:38,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 20:15:38,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:15:38,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 20:15:38,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:15:38,234 INFO L87 Difference]: Start difference. First operand 285 states. Second operand 8 states. [2020-09-24 20:15:38,801 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:15:39,956 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:40,322 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:15:40,786 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:41,210 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:41,548 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:15:41,893 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:42,251 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:43,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:15:43,902 INFO L93 Difference]: Finished difference Result 569 states and 704 transitions. [2020-09-24 20:15:43,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 20:15:43,912 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 20:15:43,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:15:43,936 INFO L225 Difference]: With dead ends: 569 [2020-09-24 20:15:43,936 INFO L226 Difference]: Without dead ends: 395 [2020-09-24 20:15:43,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-24 20:15:43,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-09-24 20:15:44,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 350. [2020-09-24 20:15:44,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-09-24 20:15:44,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 396 transitions. [2020-09-24 20:15:44,093 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 396 transitions. Word has length 142 [2020-09-24 20:15:44,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:15:44,094 INFO L479 AbstractCegarLoop]: Abstraction has 350 states and 396 transitions. [2020-09-24 20:15:44,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 20:15:44,094 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 396 transitions. [2020-09-24 20:15:44,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 20:15:44,101 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:15:44,101 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] [2020-09-24 20:15:44,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:15:44,102 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:15:44,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:15:44,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1437367910, now seen corresponding path program 1 times [2020-09-24 20:15:44,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:15:44,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [908974334] [2020-09-24 20:15:44,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:15:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:44,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:44,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:45,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:49,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:49,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 20:15:49,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:15:49,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-24 20:15:49,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 20:15:49,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 20:15:49,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 20:15:49,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:49,518 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:15:49,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:15:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:49,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:49,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:49,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:15:49,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:49,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-09-24 20:15:49,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:49,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:49,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:49,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 20:15:49,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:49,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:15:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:49,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:49,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:49,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:49,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:49,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:15:49,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:49,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:49,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:49,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:49,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:15:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:49,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:49,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:49,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:49,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:49,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:15:49,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:49,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:49,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:49,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:49,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:49,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:15:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:49,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:49,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:49,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:49,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:49,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:15:49,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:49,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:49,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:49,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:49,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:49,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:15:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:49,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:49,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:49,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:49,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:49,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:15:49,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:49,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:49,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:49,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-24 20:15:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:49,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:49,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:49,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:15:49,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:49,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:15:49,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:49,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:49,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 20:15:49,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:49,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:49,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 20:15:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:49,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:49,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:49,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:49,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:49,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:15:49,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:49,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:49,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:15:49,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:49,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:49,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 20:15:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:49,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:49,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:49,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:49,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:49,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:15:49,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:49,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:49,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:15:49,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:49,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:49,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:15:49,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [908974334] [2020-09-24 20:15:49,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:15:49,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 20:15:49,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502360215] [2020-09-24 20:15:49,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 20:15:49,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:15:49,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 20:15:49,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 20:15:49,959 INFO L87 Difference]: Start difference. First operand 350 states and 396 transitions. Second operand 5 states. [2020-09-24 20:15:50,497 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:15:51,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:15:51,294 INFO L93 Difference]: Finished difference Result 538 states and 641 transitions. [2020-09-24 20:15:51,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 20:15:51,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-24 20:15:51,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:15:51,299 INFO L225 Difference]: With dead ends: 538 [2020-09-24 20:15:51,300 INFO L226 Difference]: Without dead ends: 287 [2020-09-24 20:15:51,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 20:15:51,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-24 20:15:51,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 264. [2020-09-24 20:15:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-09-24 20:15:51,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 282 transitions. [2020-09-24 20:15:51,341 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 282 transitions. Word has length 148 [2020-09-24 20:15:51,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:15:51,342 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 282 transitions. [2020-09-24 20:15:51,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 20:15:51,342 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 282 transitions. [2020-09-24 20:15:51,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 20:15:51,344 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:15:51,345 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] [2020-09-24 20:15:51,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:15:51,345 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:15:51,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:15:51,345 INFO L82 PathProgramCache]: Analyzing trace with hash 235395609, now seen corresponding path program 1 times [2020-09-24 20:15:51,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:15:51,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925231932] [2020-09-24 20:15:51,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:15:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:51,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:51,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:52,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:53,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:56,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:56,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-24 20:15:56,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:15:56,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-24 20:15:56,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:56,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 20:15:56,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 20:15:56,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-24 20:15:56,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:56,813 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:15:56,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:15:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:56,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:57,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:57,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:15:57,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:57,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-09-24 20:15:57,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:57,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:57,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:57,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 20:15:57,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:57,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:15:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:57,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:57,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:57,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:57,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:57,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:57,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:57,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:57,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:57,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:57,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:57,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:15:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:57,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:57,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:57,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:57,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:57,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:57,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:57,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:57,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:57,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:57,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:57,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:15:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:57,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:57,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:57,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:57,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:57,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:15:57,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:57,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:57,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:57,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:57,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:57,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:15:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:57,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:57,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:57,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:57,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:57,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:57,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:57,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:57,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:57,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:57,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:57,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 20:15:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:57,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:57,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:57,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:15:57,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:57,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:15:57,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:57,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:15:57,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:15:57,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:15:57,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:57,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 20:15:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:57,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:57,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:57,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:15:57,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:57,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:15:57,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:57,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:57,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:57,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:15:57,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:57,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 20:15:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:57,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:57,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:57,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:57,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:57,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:15:57,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:57,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:15:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:57,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:57,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 20:15:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:57,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:57,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:57,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:57,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:57,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:15:57,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:57,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:15:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:57,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:15:57,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925231932] [2020-09-24 20:15:57,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:15:57,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 20:15:57,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95712835] [2020-09-24 20:15:57,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 20:15:57,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:15:57,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 20:15:57,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 20:15:57,381 INFO L87 Difference]: Start difference. First operand 264 states and 282 transitions. Second operand 12 states. [2020-09-24 20:15:58,056 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:15:59,478 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 20:16:00,055 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-24 20:16:00,405 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:00,718 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:16:01,018 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:01,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:16:01,687 INFO L93 Difference]: Finished difference Result 412 states and 475 transitions. [2020-09-24 20:16:01,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 20:16:01,687 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 161 [2020-09-24 20:16:01,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:16:01,689 INFO L225 Difference]: With dead ends: 412 [2020-09-24 20:16:01,690 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 20:16:01,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2020-09-24 20:16:01,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 20:16:01,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 20:16:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 20:16:01,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 20:16:01,692 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-24 20:16:01,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:16:01,693 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 20:16:01,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 20:16:01,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 20:16:01,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 20:16:01,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:16:01,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 20:16:01,953 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 20:16:02,126 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:02,298 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:02,464 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:02,793 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:03,136 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 20:16:03,482 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 20:16:03,640 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:03,795 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:03,951 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:04,281 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 20:16:04,436 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:04,758 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:04,914 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:05,071 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:05,230 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:05,390 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 20:16:05,550 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 20:16:05,713 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:05,866 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:06,024 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:06,177 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:06,334 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:06,490 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:06,630 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:16:06,786 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:06,944 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:07,103 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:07,256 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:07,410 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:07,564 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:07,721 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:07,874 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:08,026 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:08,180 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:08,338 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:08,500 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:08,658 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:08,816 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:08,969 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:09,122 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:09,280 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:09,437 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:09,690 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:09,848 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:10,001 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:10,158 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:10,316 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:10,484 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:10,643 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:10,796 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:10,955 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:11,115 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:11,272 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:11,431 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:11,584 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:11,746 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:11,899 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:12,056 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:12,209 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:12,361 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:12,515 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:12,668 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:12,824 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:12,976 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:13,134 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 20:16:13,291 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:13,448 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:13,608 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:13,766 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:14,088 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:14,241 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:14,558 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:14,712 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:15,029 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:15,182 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:15,499 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:15,658 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:15,815 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:15,972 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:16,128 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 20:16:16,288 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 20:16:16,445 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:16,608 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:16,761 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:16,913 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:17,065 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:17,223 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:17,380 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:17,537 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:17,695 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:17,847 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:17,999 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:18,158 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:18,658 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 20:16:18,876 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:16:19,313 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-09-24 20:16:19,539 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 20:16:19,894 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:16:20,339 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 20:16:20,606 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:16:20,948 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 20:16:21,174 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 20:16:21,644 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 20:16:22,174 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 20:16:22,428 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 20:16:22,654 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 20:16:23,069 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 20:16:23,499 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16