/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=WIDEST --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_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:00:27,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:00:27,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:00:27,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:00:27,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:00:27,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:00:27,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:00:27,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:00:27,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:00:27,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:00:27,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:00:27,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:00:27,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:00:27,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:00:27,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:00:27,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:00:27,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:00:27,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:00:27,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:00:27,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:00:27,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:00:27,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:00:27,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:00:27,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:00:27,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:00:27,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:00:27,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:00:27,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:00:27,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:00:27,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:00:27,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:00:27,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:00:27,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:00:27,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:00:27,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:00:27,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:00:27,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:00:27,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:00:27,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:00:27,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:00:27,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:00:27,707 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 03:00:27,754 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:00:27,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:00:27,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:00:27,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:00:27,758 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:00:27,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:00:27,758 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:00:27,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:00:27,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:00:27,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:00:27,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:00:27,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:00:27,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:00:27,761 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:00:27,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:00:27,761 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:00:27,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:00:27,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:00:27,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:00:27,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:00:27,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:00:27,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:00:27,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:00:27,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:00:27,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:00:27,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:00:27,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:00:27,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:00:27,764 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:00:27,764 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true; [2020-09-25 03:00:28,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:00:28,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:00:28,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:00:28,243 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:00:28,243 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:00:28,245 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-09-25 03:00:28,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f2301ad90/c73ea1e3d5e34e3e993996563dabcf60/FLAG0f2b2e542 [2020-09-25 03:00:28,957 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:00:28,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-09-25 03:00:28,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f2301ad90/c73ea1e3d5e34e3e993996563dabcf60/FLAG0f2b2e542 [2020-09-25 03:00:29,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f2301ad90/c73ea1e3d5e34e3e993996563dabcf60 [2020-09-25 03:00:29,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:00:29,246 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:00:29,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:00:29,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:00:29,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:00:29,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:00:29" (1/1) ... [2020-09-25 03:00:29,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ac6c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:00:29, skipping insertion in model container [2020-09-25 03:00:29,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:00:29" (1/1) ... [2020-09-25 03:00:29,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:00:29,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:00:29,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:00:29,893 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:00:29,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:00:30,005 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:00:30,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:00:30 WrapperNode [2020-09-25 03:00:30,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:00:30,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:00:30,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:00:30,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:00:30,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:00:30" (1/1) ... [2020-09-25 03:00:30,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:00:30" (1/1) ... [2020-09-25 03:00:30,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:00:30" (1/1) ... [2020-09-25 03:00:30,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:00:30" (1/1) ... [2020-09-25 03:00:30,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:00:30" (1/1) ... [2020-09-25 03:00:30,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:00:30" (1/1) ... [2020-09-25 03:00:30,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:00:30" (1/1) ... [2020-09-25 03:00:30,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:00:30,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:00:30,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:00:30,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:00:30,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:00:30" (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 [2020-09-25 03:00:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:00:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:00:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:00:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:00:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:00:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:00:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:00:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:00:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:00:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:00:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:00:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:00:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:00:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:00:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:00:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:00:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:00:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:00:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:00:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:00:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:00:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:00:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:00:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:00:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:00:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:00:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:00:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:00:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:00:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:00:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:00:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:00:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:00:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:00:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:00:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 03:00:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:00:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:00:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:00:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:00:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:00:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:00:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:00:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:00:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:00:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:00:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:00:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:00:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:00:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:00:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:00:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:00:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:00:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:00:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:00:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:00:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:00:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:00:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:00:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:00:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:00:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:00:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:00:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:00:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:00:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:00:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:00:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:00:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:00:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:00:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:00:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:00:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:00:30,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:00:30,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:00:30,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:00:30,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:00:30,237 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 03:00:30,237 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:00:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:00:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:00:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:00:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:00:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:00:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:00:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:00:31,453 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:00:31,453 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:00:31,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:00:31 BoogieIcfgContainer [2020-09-25 03:00:31,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:00:31,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:00:31,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:00:31,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:00:31,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:00:29" (1/3) ... [2020-09-25 03:00:31,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fcdeaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:00:31, skipping insertion in model container [2020-09-25 03:00:31,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:00:30" (2/3) ... [2020-09-25 03:00:31,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fcdeaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:00:31, skipping insertion in model container [2020-09-25 03:00:31,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:00:31" (3/3) ... [2020-09-25 03:00:31,479 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2020-09-25 03:00:31,493 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:00:31,507 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:00:31,532 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:00:31,583 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:00:31,583 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:00:31,583 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:00:31,583 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:00:31,584 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:00:31,584 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:00:31,584 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:00:31,585 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:00:31,626 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states. [2020-09-25 03:00:31,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 03:00:31,651 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:00:31,653 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 03:00:31,653 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:00:31,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:00:31,664 INFO L82 PathProgramCache]: Analyzing trace with hash 915241318, now seen corresponding path program 1 times [2020-09-25 03:00:31,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:00:31,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188449443] [2020-09-25 03:00:31,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:00:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:32,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:32,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:33,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:34,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:37,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:37,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 03:00:37,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:00:37,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 03:00:37,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:37,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:00:37,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 03:00:37,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 03:00:37,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 03:00:37,784 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:00:37,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:00:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:37,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:38,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:38,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:00:38,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:38,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-09-25 03:00:38,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:38,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:38,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:38,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 03:00:38,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-25 03:00:38,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:00:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:38,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:38,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:38,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:38,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:38,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:00:38,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:38,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:38,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:38,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:38,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:38,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:00:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:38,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:38,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:38,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:38,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:38,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:00:38,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:38,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:38,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:38,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:38,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:38,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:00:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:38,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:38,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:38,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:38,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:38,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:00:38,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:38,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:38,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:38,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:00:38,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:38,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:00:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:38,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:38,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:38,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:38,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:38,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:00:38,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:38,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:38,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:38,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:38,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:38,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:00:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:38,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:38,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:38,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:38,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:38,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 03:00:38,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:00:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:00:38,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:38,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:00:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:38,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:38,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:38,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:38,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:38,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:00:38,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:38,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:38,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:38,452 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 03:00:38,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [188449443] [2020-09-25 03:00:38,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:00:38,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 03:00:38,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156616375] [2020-09-25 03:00:38,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 03:00:38,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:00:38,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 03:00:38,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 03:00:38,489 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 8 states. [2020-09-25 03:00:39,077 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:00:39,969 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:00:40,304 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:00:40,773 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:00:41,172 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:00:41,504 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:00:41,870 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:00:42,175 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:00:43,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:00:43,810 INFO L93 Difference]: Finished difference Result 538 states and 669 transitions. [2020-09-25 03:00:43,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 03:00:43,818 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 03:00:43,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:00:43,840 INFO L225 Difference]: With dead ends: 538 [2020-09-25 03:00:43,840 INFO L226 Difference]: Without dead ends: 374 [2020-09-25 03:00:43,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 03:00:43,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2020-09-25 03:00:43,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 330. [2020-09-25 03:00:43,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-09-25 03:00:43,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 374 transitions. [2020-09-25 03:00:43,982 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 374 transitions. Word has length 142 [2020-09-25 03:00:43,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:00:43,983 INFO L479 AbstractCegarLoop]: Abstraction has 330 states and 374 transitions. [2020-09-25 03:00:43,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 03:00:43,983 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 374 transitions. [2020-09-25 03:00:43,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 03:00:43,989 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:00:43,989 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] [2020-09-25 03:00:43,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:00:43,990 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:00:43,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:00:43,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1434938903, now seen corresponding path program 1 times [2020-09-25 03:00:43,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:00:43,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [820272893] [2020-09-25 03:00:43,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:00:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:44,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:44,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:45,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:49,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:49,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 03:00:49,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:00:49,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-25 03:00:49,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:00:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 03:00:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 03:00:49,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:49,350 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:00:49,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:00:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:49,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:49,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:49,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:00:49,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:49,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-09-25 03:00:49,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:49,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:49,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:49,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 03:00:49,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:49,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:00:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:49,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:49,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:49,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:49,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:49,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:00:49,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:49,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:49,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:00:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:49,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:49,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:49,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:49,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:49,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:00:49,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:49,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:49,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:49,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:49,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:49,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:00:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:49,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:49,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:49,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:49,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:49,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:00:49,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:49,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:00:49,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:49,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:00:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:49,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:49,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:49,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:49,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:49,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:00:49,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:49,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:49,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:49,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 03:00:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:49,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:49,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:49,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:00:49,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:49,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:00:49,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:49,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:49,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:49,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:00:49,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:49,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 03:00:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:49,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:49,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:49,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:49,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:49,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:00:49,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:49,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:49,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:49,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:49,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 03:00:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:49,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:49,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:49,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:49,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:49,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:00:49,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:49,857 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 03:00:49,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [820272893] [2020-09-25 03:00:49,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:00:49,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:00:49,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138910173] [2020-09-25 03:00:49,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:00:49,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:00:49,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:00:49,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:00:49,865 INFO L87 Difference]: Start difference. First operand 330 states and 374 transitions. Second operand 5 states. [2020-09-25 03:00:50,385 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:00:52,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:00:52,437 INFO L93 Difference]: Finished difference Result 845 states and 1040 transitions. [2020-09-25 03:00:52,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 03:00:52,438 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 03:00:52,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:00:52,446 INFO L225 Difference]: With dead ends: 845 [2020-09-25 03:00:52,447 INFO L226 Difference]: Without dead ends: 625 [2020-09-25 03:00:52,449 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:00:52,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2020-09-25 03:00:52,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 537. [2020-09-25 03:00:52,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2020-09-25 03:00:52,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 623 transitions. [2020-09-25 03:00:52,561 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 623 transitions. Word has length 148 [2020-09-25 03:00:52,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:00:52,562 INFO L479 AbstractCegarLoop]: Abstraction has 537 states and 623 transitions. [2020-09-25 03:00:52,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:00:52,562 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 623 transitions. [2020-09-25 03:00:52,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 03:00:52,566 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:00:52,566 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 03:00:52,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:00:52,567 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:00:52,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:00:52,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1933049782, now seen corresponding path program 1 times [2020-09-25 03:00:52,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:00:52,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1411611872] [2020-09-25 03:00:52,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:00:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:52,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:52,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:52,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:57,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:57,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 03:00:57,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:00:57,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 03:00:57,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:57,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 03:00:57,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 03:00:57,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 03:00:57,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:58,021 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:00:58,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:00:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:58,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:58,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:58,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:00:58,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:58,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-09-25 03:00:58,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:58,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:58,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:58,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 03:00:58,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:58,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:00:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:58,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:58,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:58,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:58,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:58,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:00:58,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:58,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:58,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:00:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:58,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:58,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:58,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:58,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:58,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:00:58,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:58,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:58,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:58,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:58,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:58,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:00:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:58,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:58,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:58,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:58,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:58,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:00:58,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:58,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:58,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:58,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:00:58,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:58,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:00:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:58,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:58,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:58,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:58,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:58,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:00:58,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:58,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:00:58,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:58,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:00:58,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:58,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 03:00:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:58,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:58,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:58,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:00:58,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:58,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:00:58,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:58,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 03:00:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:00:58,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 03:00:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:58,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:58,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:58,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 03:00:58,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:58,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:00:58,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:58,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:58,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 03:00:58,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:58,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 03:00:58,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:00:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:58,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:58,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:58,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:00:58,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:58,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:00:58,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:58,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:58,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:00:58,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:58,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:58,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 03:00:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:58,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:58,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:58,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:58,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:58,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:00:58,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:58,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:58,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:58,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:58,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:58,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 03:00:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:00:58,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:00:58,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:00:58,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:00:58,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:00:58,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:00:58,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:00:58,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:00:58,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:00:58,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:00:58,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:00:58,661 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 03:00:58,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1411611872] [2020-09-25 03:00:58,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:00:58,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 03:00:58,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392273318] [2020-09-25 03:00:58,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 03:00:58,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:00:58,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 03:00:58,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 03:00:58,666 INFO L87 Difference]: Start difference. First operand 537 states and 623 transitions. Second operand 6 states. [2020-09-25 03:00:59,171 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:00:59,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:00:59,912 INFO L93 Difference]: Finished difference Result 863 states and 1048 transitions. [2020-09-25 03:00:59,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 03:00:59,913 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2020-09-25 03:00:59,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:00:59,917 INFO L225 Difference]: With dead ends: 863 [2020-09-25 03:00:59,917 INFO L226 Difference]: Without dead ends: 415 [2020-09-25 03:00:59,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 03:00:59,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-09-25 03:00:59,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 389. [2020-09-25 03:00:59,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-09-25 03:00:59,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 424 transitions. [2020-09-25 03:00:59,972 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 424 transitions. Word has length 156 [2020-09-25 03:00:59,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:00:59,973 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 424 transitions. [2020-09-25 03:00:59,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 03:00:59,973 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 424 transitions. [2020-09-25 03:00:59,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 03:00:59,976 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:00:59,976 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, 1, 1, 1, 1] [2020-09-25 03:00:59,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:00:59,977 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:00:59,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:00:59,977 INFO L82 PathProgramCache]: Analyzing trace with hash 668526196, now seen corresponding path program 1 times [2020-09-25 03:00:59,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:00:59,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1227664436] [2020-09-25 03:00:59,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:01:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:00,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:01,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:01,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:02,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:05,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:05,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 03:01:05,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:01:05,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 03:01:05,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:05,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:01:05,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 03:01:05,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 03:01:05,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:05,546 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:01:05,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:01:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:05,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:05,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:05,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:01:05,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:05,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-09-25 03:01:05,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:05,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:05,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:05,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 03:01:05,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:05,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:01:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:05,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:05,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:05,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:05,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:05,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:01:05,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:05,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:05,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:05,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:05,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:05,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:01:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:05,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:05,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:05,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:05,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:05,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:05,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:05,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:05,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:05,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:05,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:05,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:01:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:05,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:05,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:05,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:05,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:05,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:01:05,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:05,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:05,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:05,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:05,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:01:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:05,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:05,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:05,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:05,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:05,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:01:05,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:05,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:05,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:05,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:05,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 03:01:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:05,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:05,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:05,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:01:05,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:05,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:01:05,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:05,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:05,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:05,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:01:05,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:05,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 03:01:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:05,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:06,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:06,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:06,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 03:01:06,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:01:06,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:01:06,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:01:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:01:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 03:01:06,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:06,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:01:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:06,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:06,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:06,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:06,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:06,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:06,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:06,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:06,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:06,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:06,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:06,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 03:01:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:06,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:06,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:06,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:06,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:06,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:01:06,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:06,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:06,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 03:01:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:06,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:06,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:06,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:06,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:06,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:01:06,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:06,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:01:06,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:06,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:06,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:06,122 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 03:01:06,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1227664436] [2020-09-25 03:01:06,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:01:06,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 03:01:06,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919400479] [2020-09-25 03:01:06,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 03:01:06,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:01:06,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 03:01:06,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 03:01:06,127 INFO L87 Difference]: Start difference. First operand 389 states and 424 transitions. Second operand 10 states. [2020-09-25 03:01:06,627 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:01:07,776 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:08,121 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:01:08,456 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:08,811 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 03:01:09,128 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:01:09,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:01:09,337 INFO L93 Difference]: Finished difference Result 415 states and 458 transitions. [2020-09-25 03:01:09,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 03:01:09,338 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-09-25 03:01:09,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:01:09,339 INFO L225 Difference]: With dead ends: 415 [2020-09-25 03:01:09,340 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 03:01:09,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:01:09,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 03:01:09,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 03:01:09,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 03:01:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 03:01:09,342 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-09-25 03:01:09,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:01:09,342 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 03:01:09,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 03:01:09,342 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 03:01:09,342 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 03:01:09,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 03:01:09,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 03:01:09,564 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:09,743 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:09,922 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:10,091 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:01:10,265 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:10,446 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:10,605 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:10,764 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:10,914 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:01:11,073 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:11,239 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:11,392 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:11,543 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:01:11,702 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:11,889 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:12,047 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:12,200 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:12,348 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:01:12,506 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:12,661 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:12,816 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:12,976 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:13,132 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:13,285 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:13,444 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:13,598 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:01:13,746 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:01:13,874 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 7 [2020-09-25 03:01:13,998 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 7 [2020-09-25 03:01:14,166 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:14,329 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:14,473 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:01:14,627 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:14,786 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:14,942 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:15,103 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:01:15,260 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:15,415 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:15,575 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:15,735 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:15,888 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:16,041 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:16,200 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:16,350 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:01:16,498 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:01:16,652 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:16,810 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:16,958 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:01:17,115 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:17,290 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190