/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=NARROWEST --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_spec2_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 01:45:54,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:45:54,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:45:54,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:45:54,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:45:54,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:45:54,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:45:54,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:45:54,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:45:54,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:45:54,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:45:54,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:45:54,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:45:54,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:45:54,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:45:54,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:45:54,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:45:54,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:45:54,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:45:54,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:45:54,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:45:54,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:45:54,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:45:54,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:45:54,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:45:54,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:45:54,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:45:54,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:45:54,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:45:54,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:45:54,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:45:54,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:45:54,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:45:54,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:45:54,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:45:54,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:45:54,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:45:54,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:45:54,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:45:54,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:45:54,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:45:54,401 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 01:45:54,446 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:45:54,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:45:54,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:45:54,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:45:54,449 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:45:54,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:45:54,450 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 01:45:54,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:45:54,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 01:45:54,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:45:54,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:45:54,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:45:54,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:45:54,452 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 01:45:54,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:45:54,452 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:45:54,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:45:54,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:45:54,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:45:54,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:45:54,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:45:54,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:45:54,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:45:54,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:45:54,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:45:54,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:45:54,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:45:54,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:45:54,455 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:45:54,455 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true; [2020-09-25 01:45:54,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:45:54,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:45:54,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:45:54,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:45:54,931 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:45:54,932 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2020-09-25 01:45:55,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a147c166/7909dce3ebd54cfda3ae1116c3b03872/FLAG6d8d0bd25 [2020-09-25 01:45:55,674 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:45:55,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2020-09-25 01:45:55,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a147c166/7909dce3ebd54cfda3ae1116c3b03872/FLAG6d8d0bd25 [2020-09-25 01:45:55,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a147c166/7909dce3ebd54cfda3ae1116c3b03872 [2020-09-25 01:45:55,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:45:55,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:45:55,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:45:55,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:45:55,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:45:55,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:45:55" (1/1) ... [2020-09-25 01:45:55,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a098cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:45:55, skipping insertion in model container [2020-09-25 01:45:55,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:45:55" (1/1) ... [2020-09-25 01:45:55,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:45:56,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:45:56,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:45:56,524 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:45:56,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:45:56,659 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:45:56,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:45:56 WrapperNode [2020-09-25 01:45:56,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:45:56,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:45:56,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:45:56,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:45:56,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:45:56" (1/1) ... [2020-09-25 01:45:56,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:45:56" (1/1) ... [2020-09-25 01:45:56,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:45:56" (1/1) ... [2020-09-25 01:45:56,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:45:56" (1/1) ... [2020-09-25 01:45:56,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:45:56" (1/1) ... [2020-09-25 01:45:56,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:45:56" (1/1) ... [2020-09-25 01:45:56,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:45:56" (1/1) ... [2020-09-25 01:45:56,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:45:56,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:45:56,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:45:56,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:45:56,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:45:56" (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 01:45:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:45:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:45:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 01:45:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 01:45:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 01:45:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 01:45:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 01:45:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:45:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 01:45:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 01:45:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 01:45:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 01:45:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 01:45:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 01:45:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 01:45:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 01:45:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 01:45:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 01:45:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 01:45:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 01:45:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 01:45:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 01:45:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 01:45:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 01:45:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 01:45:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 01:45:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 01:45:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 01:45:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 01:45:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 01:45:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 01:45:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 01:45:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 01:45:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 01:45:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 01:45:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 01:45:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 01:45:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 01:45:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:45:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:45:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 01:45:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 01:45:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 01:45:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 01:45:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 01:45:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 01:45:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 01:45:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 01:45:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 01:45:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 01:45:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 01:45:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 01:45:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 01:45:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 01:45:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:45:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 01:45:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:45:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 01:45:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 01:45:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:45:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 01:45:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:45:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 01:45:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 01:45:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:45:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 01:45:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 01:45:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:45:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 01:45:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 01:45:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:45:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 01:45:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 01:45:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 01:45:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 01:45:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 01:45:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 01:45:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 01:45:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 01:45:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 01:45:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 01:45:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 01:45:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 01:45:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 01:45:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 01:45:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 01:45:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 01:45:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:45:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 01:45:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:45:58,046 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:45:58,046 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 01:45:58,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:45:58 BoogieIcfgContainer [2020-09-25 01:45:58,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:45:58,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:45:58,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:45:58,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:45:58,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:45:55" (1/3) ... [2020-09-25 01:45:58,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf402aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:45:58, skipping insertion in model container [2020-09-25 01:45:58,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:45:56" (2/3) ... [2020-09-25 01:45:58,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf402aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:45:58, skipping insertion in model container [2020-09-25 01:45:58,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:45:58" (3/3) ... [2020-09-25 01:45:58,069 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2020-09-25 01:45:58,080 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:45:58,094 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:45:58,117 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:45:58,147 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:45:58,147 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:45:58,148 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:45:58,148 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:45:58,148 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:45:58,148 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:45:58,148 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:45:58,148 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:45:58,177 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2020-09-25 01:45:58,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 01:45:58,196 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:45:58,197 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 01:45:58,198 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:45:58,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:45:58,206 INFO L82 PathProgramCache]: Analyzing trace with hash -142379134, now seen corresponding path program 1 times [2020-09-25 01:45:58,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:45:58,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11955642] [2020-09-25 01:45:58,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:45:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:45:58,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:45:58,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:00,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:01,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:02,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:03,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:03,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 01:46:03,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:46:03,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-09-25 01:46:03,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:03,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:03,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 01:46:03,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:03,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 01:46:04,223 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:46:04,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:46:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:04,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:04,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:04,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:46:04,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:04,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-09-25 01:46:04,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:04,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:04,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:04,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:04,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:04,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:46:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:04,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:04,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:04,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:04,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:04,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:46:04,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:04,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:04,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:46:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:04,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:04,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:04,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:04,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:04,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:46:04,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:04,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:04,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:04,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:04,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:04,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:46:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:04,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:04,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:04,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:04,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:04,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 01:46:04,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:04,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:04,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:04,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:04,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:04,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:46:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:04,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:04,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:04,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:04,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:04,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:46:04,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:04,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:04,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:04,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:04,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:46:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:04,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:04,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:04,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:46:04,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:04,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:46:04,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:04,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:04,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:04,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:04,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:04,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 01:46:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:04,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:04,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:04,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:04,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:04,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:46:04,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:04,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:04,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:46:04,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:04,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:04,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 01:46:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:04,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:04,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:04,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:04,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:04,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:46:04,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:04,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:46:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:04,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:04,768 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 01:46:04,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11955642] [2020-09-25 01:46:04,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:46:04,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 01:46:04,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012466119] [2020-09-25 01:46:04,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 01:46:04,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:46:04,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 01:46:04,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 01:46:04,821 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 4 states. [2020-09-25 01:46:06,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:46:06,261 INFO L93 Difference]: Finished difference Result 429 states and 515 transitions. [2020-09-25 01:46:06,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 01:46:06,263 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-25 01:46:06,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:46:06,284 INFO L225 Difference]: With dead ends: 429 [2020-09-25 01:46:06,284 INFO L226 Difference]: Without dead ends: 282 [2020-09-25 01:46:06,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 01:46:06,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-25 01:46:06,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 232. [2020-09-25 01:46:06,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-09-25 01:46:06,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 252 transitions. [2020-09-25 01:46:06,433 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 252 transitions. Word has length 148 [2020-09-25 01:46:06,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:46:06,436 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 252 transitions. [2020-09-25 01:46:06,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 01:46:06,437 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 252 transitions. [2020-09-25 01:46:06,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-25 01:46:06,448 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:46:06,449 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] [2020-09-25 01:46:06,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:46:06,450 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:46:06,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:46:06,451 INFO L82 PathProgramCache]: Analyzing trace with hash 325807007, now seen corresponding path program 1 times [2020-09-25 01:46:06,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:46:06,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844426185] [2020-09-25 01:46:06,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:46:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:06,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:06,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:08,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:09,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:10,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:11,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:11,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-25 01:46:11,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:46:11,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 01:46:11,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:11,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:46:11,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 01:46:11,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 01:46:11,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:11,871 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:46:11,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:46:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:11,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:11,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:11,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:46:11,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:11,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 01:46:11,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:11,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:11,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:11,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:11,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:12,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:46:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:12,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:12,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:12,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:12,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:12,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:46:12,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:12,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:12,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:12,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:12,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:12,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:46:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:12,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:12,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:12,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:12,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:12,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:46:12,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:12,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:12,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:12,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:46:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:12,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:12,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:12,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:12,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:12,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:46:12,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:12,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:12,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:12,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:12,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:12,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:46:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:12,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:12,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:12,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:12,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:12,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:46:12,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:12,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:12,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:12,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:12,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:12,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:46:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:12,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:12,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:12,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:46:12,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:12,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:46:12,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:12,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:12,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:12,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:12,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:12,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 01:46:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:12,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:12,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:12,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:12,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:12,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:46:12,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:12,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:12,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:46:12,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:12,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:12,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 01:46:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:12,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:12,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:12,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:12,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:12,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:46:12,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:12,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:12,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:46:12,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:12,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:12,123 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 01:46:12,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844426185] [2020-09-25 01:46:12,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:46:12,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 01:46:12,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804658918] [2020-09-25 01:46:12,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 01:46:12,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:46:12,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 01:46:12,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 01:46:12,128 INFO L87 Difference]: Start difference. First operand 232 states and 252 transitions. Second operand 5 states. [2020-09-25 01:46:12,828 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 01:46:13,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:46:13,726 INFO L93 Difference]: Finished difference Result 348 states and 398 transitions. [2020-09-25 01:46:13,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 01:46:13,727 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-25 01:46:13,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:46:13,731 INFO L225 Difference]: With dead ends: 348 [2020-09-25 01:46:13,731 INFO L226 Difference]: Without dead ends: 271 [2020-09-25 01:46:13,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 01:46:13,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-09-25 01:46:13,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 222. [2020-09-25 01:46:13,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-09-25 01:46:13,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 239 transitions. [2020-09-25 01:46:13,805 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 239 transitions. Word has length 149 [2020-09-25 01:46:13,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:46:13,807 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 239 transitions. [2020-09-25 01:46:13,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 01:46:13,808 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 239 transitions. [2020-09-25 01:46:13,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 01:46:13,810 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:46:13,810 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] [2020-09-25 01:46:13,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:46:13,811 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:46:13,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:46:13,811 INFO L82 PathProgramCache]: Analyzing trace with hash 2005723559, now seen corresponding path program 1 times [2020-09-25 01:46:13,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:46:13,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1967150828] [2020-09-25 01:46:13,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:46:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:13,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:14,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:15,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:15,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:16,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:18,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:18,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-25 01:46:18,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:46:18,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 01:46:18,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:18,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:46:18,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 01:46:18,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:46:18,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:19,179 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:46:19,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:46:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:19,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:19,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:19,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:46:19,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:19,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 01:46:19,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:19,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:19,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:19,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:19,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:19,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:46:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:19,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:19,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:19,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:19,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:19,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 01:46:19,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:19,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:19,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:19,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:19,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:19,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:46:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:19,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:19,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:19,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:19,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:19,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:46:19,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:19,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:19,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:19,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:46:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:19,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:19,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:19,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:19,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:19,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:46:19,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:19,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:19,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:19,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:19,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:19,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:46:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:19,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:19,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:19,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:19,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:19,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:46:19,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:19,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:19,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:46:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:19,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:19,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:19,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:46:19,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:19,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:46:19,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:19,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:19,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:19,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:19,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:19,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 01:46:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:19,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:19,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:19,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:46:19,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:19,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:46:19,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:19,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:46:19,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:19,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 01:46:19,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:19,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 01:46:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:19,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:19,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:19,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:19,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:19,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 01:46:19,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:46:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:19,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:19,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 01:46:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:19,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:19,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:19,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:19,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:19,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:46:19,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:19,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:19,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:46:19,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:19,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:19,501 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 01:46:19,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1967150828] [2020-09-25 01:46:19,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:46:19,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 01:46:19,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982658604] [2020-09-25 01:46:19,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 01:46:19,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:46:19,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 01:46:19,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 01:46:19,510 INFO L87 Difference]: Start difference. First operand 222 states and 239 transitions. Second operand 6 states. [2020-09-25 01:46:20,035 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:46:21,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:46:21,823 INFO L93 Difference]: Finished difference Result 516 states and 611 transitions. [2020-09-25 01:46:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 01:46:21,824 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-25 01:46:21,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:46:21,828 INFO L225 Difference]: With dead ends: 516 [2020-09-25 01:46:21,828 INFO L226 Difference]: Without dead ends: 409 [2020-09-25 01:46:21,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 01:46:21,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-09-25 01:46:21,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 319. [2020-09-25 01:46:21,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-25 01:46:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 354 transitions. [2020-09-25 01:46:21,890 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 354 transitions. Word has length 162 [2020-09-25 01:46:21,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:46:21,891 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 354 transitions. [2020-09-25 01:46:21,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 01:46:21,891 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 354 transitions. [2020-09-25 01:46:21,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 01:46:21,894 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:46:21,894 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, 1, 1] [2020-09-25 01:46:21,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 01:46:21,894 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:46:21,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:46:21,895 INFO L82 PathProgramCache]: Analyzing trace with hash 2061406416, now seen corresponding path program 1 times [2020-09-25 01:46:21,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:46:21,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1613548310] [2020-09-25 01:46:21,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:46:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:22,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:22,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:22,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:23,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:26,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:26,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:26,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 01:46:26,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:46:26,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 01:46:26,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:26,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:46:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 01:46:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 01:46:26,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:27,397 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:46:27,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:46:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:27,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:27,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:27,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:46:27,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:27,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-25 01:46:27,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:27,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:27,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:27,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:27,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:46:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:27,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:27,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:27,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:27,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:27,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:46:27,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:27,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:27,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:27,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:46:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:27,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:27,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:27,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:27,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:27,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:46:27,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:27,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:27,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:27,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:27,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:27,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:46:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:27,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:27,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:27,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:27,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:27,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:46:27,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:27,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:27,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:27,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:27,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:27,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:46:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:27,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:27,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:27,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:27,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:27,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:46:27,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:27,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:27,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:27,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:27,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:27,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:46:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:27,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:27,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:27,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:46:27,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:27,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:46:27,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:27,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:27,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:27,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:27,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:27,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 01:46:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:27,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:27,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:27,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:46:27,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:27,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:46:27,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:27,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:27,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:27,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:27,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:27,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 01:46:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:27,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:27,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:27,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:27,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:27,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:46:27,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:27,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:46:27,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:27,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:46:27,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:27,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 01:46:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:27,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:27,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:27,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:27,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:27,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 01:46:27,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:27,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:46:27,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:27,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:46:27,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:27,802 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 01:46:27,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1613548310] [2020-09-25 01:46:27,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:46:27,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 01:46:27,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639306331] [2020-09-25 01:46:27,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 01:46:27,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:46:27,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 01:46:27,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 01:46:27,808 INFO L87 Difference]: Start difference. First operand 319 states and 354 transitions. Second operand 10 states. [2020-09-25 01:46:28,391 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:46:29,560 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:29,912 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 01:46:30,252 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:30,585 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 01:46:30,888 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:31,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:46:31,245 INFO L93 Difference]: Finished difference Result 540 states and 644 transitions. [2020-09-25 01:46:31,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 01:46:31,245 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-25 01:46:31,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:46:31,246 INFO L225 Difference]: With dead ends: 540 [2020-09-25 01:46:31,246 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 01:46:31,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-09-25 01:46:31,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 01:46:31,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 01:46:31,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 01:46:31,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 01:46:31,254 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2020-09-25 01:46:31,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:46:31,254 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 01:46:31,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 01:46:31,254 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 01:46:31,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 01:46:31,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 01:46:31,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 01:46:31,441 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:46:31,606 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:31,736 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 01:46:31,899 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:32,060 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:32,213 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:46:32,383 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:32,500 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 01:46:32,669 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:32,823 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:33,125 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 01:46:33,420 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 01:46:33,711 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 01:46:34,002 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 01:46:34,149 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:46:34,297 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:46:34,449 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:34,604 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:34,756 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:34,904 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:46:35,058 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:35,211 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:35,366 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:35,610 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 01:46:35,953 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:46:36,302 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:46:36,645 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:46:36,886 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 01:46:37,228 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:46:37,567 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:46:37,724 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:37,874 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:46:38,027 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:38,175 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:46:38,327 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:38,480 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:38,634 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:38,788 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:38,896 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 01:46:39,053 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:39,206 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:39,360 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:39,510 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:46:39,660 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:46:39,813 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:39,972 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:40,087 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-25 01:46:40,193 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 01:46:40,347 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:40,504 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:40,653 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:46:40,815 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:40,967 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:41,120 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:41,269 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:46:41,511 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 01:46:41,850 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:46:42,189 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:46:42,529 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:46:42,773 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 01:46:43,113 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:46:43,452 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:46:43,607 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:43,757 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:46:43,910 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:44,017 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 01:46:44,170 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:44,322 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:44,480 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:46:44,633 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:44,786 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:44,939 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:45,092 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:45,246 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:46:45,398 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:46:45,816 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 7 [2020-09-25 01:46:46,044 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 01:46:46,235 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 01:46:46,497 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23