/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_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 01:46:38,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:46:38,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:46:38,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:46:38,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:46:38,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:46:38,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:46:38,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:46:38,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:46:38,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:46:38,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:46:38,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:46:38,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:46:38,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:46:38,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:46:38,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:46:38,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:46:38,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:46:38,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:46:38,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:46:38,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:46:38,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:46:38,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:46:38,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:46:38,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:46:38,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:46:38,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:46:38,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:46:38,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:46:38,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:46:38,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:46:38,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:46:38,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:46:38,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:46:38,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:46:38,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:46:38,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:46:38,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:46:38,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:46:38,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:46:38,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:46:38,401 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 01:46:38,450 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:46:38,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:46:38,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:46:38,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:46:38,454 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:46:38,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:46:38,455 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 01:46:38,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:46:38,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 01:46:38,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:46:38,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:46:38,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:46:38,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:46:38,457 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 01:46:38,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:46:38,458 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:46:38,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:46:38,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:46:38,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:46:38,458 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:46:38,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:46:38,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:46:38,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:46:38,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:46:38,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:46:38,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:46:38,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:46:38,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:46:38,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:46:38,460 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 01:46:38,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:46:38,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:46:38,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:46:38,951 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:46:38,952 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:46:38,953 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2020-09-25 01:46:39,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4a92c372/4f205339e2f84f62b495b3ddd905579b/FLAGb56c4deb7 [2020-09-25 01:46:39,638 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:46:39,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2020-09-25 01:46:39,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4a92c372/4f205339e2f84f62b495b3ddd905579b/FLAGb56c4deb7 [2020-09-25 01:46:39,931 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4a92c372/4f205339e2f84f62b495b3ddd905579b [2020-09-25 01:46:39,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:46:39,949 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:46:39,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:46:39,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:46:39,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:46:39,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:46:39" (1/1) ... [2020-09-25 01:46:39,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db1276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:39, skipping insertion in model container [2020-09-25 01:46:39,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:46:39" (1/1) ... [2020-09-25 01:46:39,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:46:40,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:46:40,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:46:40,424 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:46:40,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:46:40,658 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:46:40,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:40 WrapperNode [2020-09-25 01:46:40,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:46:40,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:46:40,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:46:40,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:46:40,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:40" (1/1) ... [2020-09-25 01:46:40,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:40" (1/1) ... [2020-09-25 01:46:40,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:40" (1/1) ... [2020-09-25 01:46:40,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:40" (1/1) ... [2020-09-25 01:46:40,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:40" (1/1) ... [2020-09-25 01:46:40,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:40" (1/1) ... [2020-09-25 01:46:40,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:40" (1/1) ... [2020-09-25 01:46:40,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:46:40,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:46:40,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:46:40,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:46:40,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:40" (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 01:46:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:46:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:46:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 01:46:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 01:46:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 01:46:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 01:46:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 01:46:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 01:46:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 01:46:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 01:46:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 01:46:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 01:46:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 01:46:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 01:46:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 01:46:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 01:46:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 01:46:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 01:46:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 01:46:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 01:46:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:46:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 01:46:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 01:46:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 01:46:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 01:46:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 01:46:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 01:46:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 01:46:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 01:46:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 01:46:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 01:46:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 01:46:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 01:46:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 01:46:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 01:46:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 01:46:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 01:46:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 01:46:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 01:46:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 01:46:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:46:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:46:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 01:46:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 01:46:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 01:46:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 01:46:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 01:46:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 01:46:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 01:46:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 01:46:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 01:46:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 01:46:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 01:46:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 01:46:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 01:46:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 01:46:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 01:46:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 01:46:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:46:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 01:46:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 01:46:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 01:46:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 01:46:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 01:46:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 01:46:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 01:46:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:46:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 01:46:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:46:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 01:46:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 01:46:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:46:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 01:46:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:46:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 01:46:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 01:46:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:46:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 01:46:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 01:46:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:46:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 01:46:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 01:46:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 01:46:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 01:46:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 01:46:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 01:46:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 01:46:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 01:46:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 01:46:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 01:46:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 01:46:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:46:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 01:46:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:46:42,105 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:46:42,105 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 01:46:42,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:46:42 BoogieIcfgContainer [2020-09-25 01:46:42,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:46:42,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:46:42,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:46:42,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:46:42,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:46:39" (1/3) ... [2020-09-25 01:46:42,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c9588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:46:42, skipping insertion in model container [2020-09-25 01:46:42,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:40" (2/3) ... [2020-09-25 01:46:42,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c9588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:46:42, skipping insertion in model container [2020-09-25 01:46:42,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:46:42" (3/3) ... [2020-09-25 01:46:42,123 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2020-09-25 01:46:42,135 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:46:42,147 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:46:42,170 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:46:42,203 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:46:42,204 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:46:42,204 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:46:42,204 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:46:42,204 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:46:42,204 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:46:42,204 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:46:42,204 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:46:42,232 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states. [2020-09-25 01:46:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 01:46:42,249 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:46:42,251 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 01:46:42,252 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:46:42,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:46:42,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1661826490, now seen corresponding path program 1 times [2020-09-25 01:46:42,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:46:42,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039385344] [2020-09-25 01:46:42,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:46:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:42,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:43,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:44,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:45,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:46,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:47,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:47,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 01:46:47,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:46:47,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5082 [2020-09-25 01:46:47,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:47,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:47,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 01:46:47,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:47,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 01:46:48,250 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:46:48,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:46:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:48,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:48,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:48,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:46:48,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:48,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-25 01:46:48,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:48,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:48,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:48,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:48,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:48,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:46:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:48,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:48,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:48,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:48,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:48,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:46:48,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:48,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:48,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:48,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:48,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:48,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:46:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:48,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:48,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:48,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:48,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:48,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:46:48,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:48,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:48,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:48,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:48,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:48,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:46:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:48,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:48,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:48,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:48,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:48,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 01:46:48,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:48,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:48,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:46:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:48,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:48,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:48,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:48,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:48,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:46:48,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:48,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:48,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:48,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:48,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:48,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:46:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:48,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:48,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:48,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:46:48,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:48,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:46:48,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:48,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:48,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:48,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:48,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:48,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 01:46:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:48,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:48,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:48,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:48,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:48,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:46:48,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:48,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:48,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:46:48,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:48,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:48,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 01:46:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:48,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:48,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:48,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:48,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:48,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:46:48,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:48,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:48,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:46:48,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:48,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:48,616 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 01:46:48,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039385344] [2020-09-25 01:46:48,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:46:48,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 01:46:48,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402836299] [2020-09-25 01:46:48,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 01:46:48,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:46:48,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 01:46:48,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 01:46:48,654 INFO L87 Difference]: Start difference. First operand 300 states. Second operand 4 states. [2020-09-25 01:46:50,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:46:50,111 INFO L93 Difference]: Finished difference Result 451 states and 537 transitions. [2020-09-25 01:46:50,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 01:46:50,113 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-25 01:46:50,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:46:50,133 INFO L225 Difference]: With dead ends: 451 [2020-09-25 01:46:50,133 INFO L226 Difference]: Without dead ends: 293 [2020-09-25 01:46:50,140 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 01:46:50,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-09-25 01:46:50,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 243. [2020-09-25 01:46:50,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-25 01:46:50,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 263 transitions. [2020-09-25 01:46:50,253 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 263 transitions. Word has length 148 [2020-09-25 01:46:50,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:46:50,254 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 263 transitions. [2020-09-25 01:46:50,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 01:46:50,255 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 263 transitions. [2020-09-25 01:46:50,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-25 01:46:50,260 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:46:50,260 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 01:46:50,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:46:50,261 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:46:50,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:46:50,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1881798897, now seen corresponding path program 1 times [2020-09-25 01:46:50,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:46:50,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [400736995] [2020-09-25 01:46:50,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:46:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:50,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:50,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:52,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:53,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:53,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:55,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:55,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-25 01:46:55,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:46:55,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 01:46:55,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:46:55,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 01:46:55,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 01:46:55,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:55,718 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:46:55,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:46:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:55,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:55,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:55,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:46:55,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:55,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 01:46:55,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:55,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:55,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:55,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:55,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:55,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:46:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:55,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:55,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:55,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:55,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:55,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:46:55,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:55,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:55,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:55,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:55,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:55,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:46:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:55,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:55,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:55,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:55,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:55,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:46:55,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:55,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:55,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:55,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:55,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:55,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:46:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:55,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:55,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:55,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:55,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:55,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:46:55,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:55,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:55,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:55,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:55,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:55,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:46:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:55,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:55,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:55,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:55,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:55,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:46:55,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:55,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:55,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:55,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:55,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:55,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:46:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:55,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:55,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:55,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:46:55,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:55,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:46:55,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:55,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:55,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:55,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 01:46:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:55,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:55,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:55,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:55,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:55,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:46:55,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:46:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:55,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:55,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 01:46:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:55,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:55,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:55,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:55,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:55,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:46:55,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:55,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:46:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:55,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 01:46:56,007 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 01:46:56,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [400736995] [2020-09-25 01:46:56,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:46:56,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 01:46:56,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603872062] [2020-09-25 01:46:56,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 01:46:56,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:46:56,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 01:46:56,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 01:46:56,014 INFO L87 Difference]: Start difference. First operand 243 states and 263 transitions. Second operand 5 states. [2020-09-25 01:46:56,647 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 01:46:57,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:46:57,662 INFO L93 Difference]: Finished difference Result 370 states and 420 transitions. [2020-09-25 01:46:57,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 01:46:57,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-25 01:46:57,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:46:57,668 INFO L225 Difference]: With dead ends: 370 [2020-09-25 01:46:57,668 INFO L226 Difference]: Without dead ends: 282 [2020-09-25 01:46:57,670 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 01:46:57,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-25 01:46:57,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 233. [2020-09-25 01:46:57,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-09-25 01:46:57,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 250 transitions. [2020-09-25 01:46:57,718 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 250 transitions. Word has length 149 [2020-09-25 01:46:57,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:46:57,719 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 250 transitions. [2020-09-25 01:46:57,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 01:46:57,720 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 250 transitions. [2020-09-25 01:46:57,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 01:46:57,723 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:46:57,723 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 01:46:57,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:46:57,723 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:46:57,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:46:57,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1107918501, now seen corresponding path program 1 times [2020-09-25 01:46:57,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:46:57,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1725944520] [2020-09-25 01:46:57,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:46:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:57,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:58,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:58,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:59,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:00,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:02,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:02,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-25 01:47:02,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:47:02,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 01:47:02,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:02,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:47:02,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 01:47:02,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:47:02,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:03,290 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:47:03,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:47:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:03,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:03,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:03,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:47:03,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:03,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 01:47:03,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:03,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:03,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:03,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:03,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:03,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:47:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:03,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:03,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:03,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:03,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:03,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:47:03,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:03,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:03,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:03,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:03,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:03,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:47:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:03,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:03,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:03,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:03,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:03,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:47:03,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:03,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:03,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:03,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:03,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:03,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:47:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:03,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:03,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:03,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:03,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:03,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:47:03,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:03,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:03,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:03,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:03,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:03,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:47:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:03,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:03,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:03,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:03,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:03,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:47:03,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:03,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:03,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:47:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:03,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:03,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:03,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:47:03,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:03,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:03,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:03,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:03,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:03,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:03,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:03,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 01:47:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:03,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:03,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:03,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:47:03,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:03,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:47:03,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:03,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:47:03,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:03,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 01:47:03,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:03,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 01:47:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:03,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:03,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:03,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:03,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:03,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:03,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:03,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:03,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:47:03,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:03,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:03,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 01:47:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:03,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:03,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:03,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:03,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:03,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:03,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:03,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:03,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:47:03,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:03,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:03,525 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 01:47:03,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1725944520] [2020-09-25 01:47:03,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:47:03,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 01:47:03,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015308669] [2020-09-25 01:47:03,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 01:47:03,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:47:03,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 01:47:03,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 01:47:03,528 INFO L87 Difference]: Start difference. First operand 233 states and 250 transitions. Second operand 6 states. [2020-09-25 01:47:04,103 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:05,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:47:05,903 INFO L93 Difference]: Finished difference Result 549 states and 644 transitions. [2020-09-25 01:47:05,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 01:47:05,905 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-25 01:47:05,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:47:05,910 INFO L225 Difference]: With dead ends: 549 [2020-09-25 01:47:05,910 INFO L226 Difference]: Without dead ends: 431 [2020-09-25 01:47:05,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 01:47:05,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-09-25 01:47:05,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 341. [2020-09-25 01:47:05,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-09-25 01:47:05,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 376 transitions. [2020-09-25 01:47:05,974 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 376 transitions. Word has length 162 [2020-09-25 01:47:05,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:47:05,975 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 376 transitions. [2020-09-25 01:47:05,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 01:47:05,975 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 376 transitions. [2020-09-25 01:47:05,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 01:47:05,978 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:47:05,978 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 01:47:05,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 01:47:05,978 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:47:05,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:47:05,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1919107382, now seen corresponding path program 1 times [2020-09-25 01:47:05,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:47:05,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845896901] [2020-09-25 01:47:05,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:47:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:06,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:06,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:06,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:07,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:09,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:11,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:11,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 01:47:11,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:47:11,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 01:47:11,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:11,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:47:11,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 01:47:11,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 01:47:11,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:11,454 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:47:11,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:47:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:11,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:11,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:11,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:47:11,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:11,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 01:47:11,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:11,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:11,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:47:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:11,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:11,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:11,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:11,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:11,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:11,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:11,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:11,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:11,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:11,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:11,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:47:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:11,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:11,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:11,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:11,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:11,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:47:11,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:11,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:11,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:11,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:11,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:11,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:47:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:11,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:11,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:11,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:11,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:11,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:47:11,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:11,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:11,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:11,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:11,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:11,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:47:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:11,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:11,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:11,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:11,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:11,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:47:11,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:11,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:11,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:47:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:11,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:11,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:11,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:47:11,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:11,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:11,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:11,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:11,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:11,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:11,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:11,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 01:47:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:11,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:11,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:11,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:47:11,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:11,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:11,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:11,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:11,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:11,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:11,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:11,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 01:47:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:11,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:11,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:11,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:11,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:11,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:47:11,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:11,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:47:11,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:11,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:47:11,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:11,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 01:47:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:11,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:11,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:11,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:11,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:11,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 01:47:11,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:11,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:47:11,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:11,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:47:11,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:11,900 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 01:47:11,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845896901] [2020-09-25 01:47:11,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:47:11,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 01:47:11,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395095678] [2020-09-25 01:47:11,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 01:47:11,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:47:11,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 01:47:11,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 01:47:11,906 INFO L87 Difference]: Start difference. First operand 341 states and 376 transitions. Second operand 10 states. [2020-09-25 01:47:12,465 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:14,300 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-25 01:47:15,229 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-25 01:47:15,572 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:15,894 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 01:47:16,201 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:16,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:47:16,467 INFO L93 Difference]: Finished difference Result 562 states and 666 transitions. [2020-09-25 01:47:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 01:47:16,468 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-25 01:47:16,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:47:16,469 INFO L225 Difference]: With dead ends: 562 [2020-09-25 01:47:16,470 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 01:47:16,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-09-25 01:47:16,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 01:47:16,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 01:47:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 01:47:16,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 01:47:16,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2020-09-25 01:47:16,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:47:16,476 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 01:47:16,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 01:47:16,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 01:47:16,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 01:47:16,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 01:47:16,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 01:47:16,657 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:16,823 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:16,984 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:17,144 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:17,302 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:17,460 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:17,619 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:17,772 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:18,035 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 01:47:18,326 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:18,605 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:18,861 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 01:47:19,137 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:19,413 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:19,690 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:19,841 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:19,996 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:20,147 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:20,301 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:20,623 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 01:47:20,945 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 01:47:21,272 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 01:47:21,593 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 01:47:21,738 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:47:21,841 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 01:47:21,990 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:22,143 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:22,297 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:22,446 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:22,599 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:22,752 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:22,904 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:23,057 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:23,205 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:23,358 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:23,511 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:23,659 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:23,815 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:23,967 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:24,121 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:24,274 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:24,378 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 01:47:24,532 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:24,684 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:24,832 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:24,986 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:25,139 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:25,294 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:25,400 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 01:47:25,665 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 01:47:25,965 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:26,240 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:26,483 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 01:47:26,757 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:27,032 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:27,308 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:27,461 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:27,712 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 01:47:27,865 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:28,018 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:28,170 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:28,323 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:28,475 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:28,736 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-25 01:47:28,899 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:29,052 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:29,162 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 01:47:29,315 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:29,476 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:29,629 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:29,777 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:29,930 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:30,082 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:30,230 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:30,386 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:30,809 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 7 [2020-09-25 01:47:31,010 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 01:47:31,234 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 01:47:31,451 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 01:47:31,673 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 01:47:32,061 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 14 [2020-09-25 01:47:32,408 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8