/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:02:11,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:02:11,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:02:11,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:02:11,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:02:11,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:02:11,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:02:11,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:02:11,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:02:11,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:02:11,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:02:11,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:02:11,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:02:11,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:02:11,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:02:11,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:02:11,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:02:11,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:02:11,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:02:11,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:02:11,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:02:11,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:02:11,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:02:11,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:02:11,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:02:11,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:02:11,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:02:11,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:02:11,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:02:11,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:02:11,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:02:11,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:02:11,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:02:11,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:02:11,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:02:11,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:02:11,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:02:11,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:02:11,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:02:11,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:02:11,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:02:11,735 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 04:02:11,785 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:02:11,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:02:11,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:02:11,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:02:11,788 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:02:11,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:02:11,789 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:02:11,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:02:11,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:02:11,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:02:11,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:02:11,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:02:11,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:02:11,792 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:02:11,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:02:11,792 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:02:11,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:02:11,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:02:11,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:02:11,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:02:11,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:02:11,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:02:11,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:02:11,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:02:11,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:02:11,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:02:11,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:02:11,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:02:11,795 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:02:11,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:02:12,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:02:12,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:02:12,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:02:12,266 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:02:12,267 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:02:12,268 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2020-09-25 04:02:12,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/605d8be23/84a80992b4274501950d1d19a6a438ce/FLAG1f5011046 [2020-09-25 04:02:13,055 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:02:13,056 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2020-09-25 04:02:13,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/605d8be23/84a80992b4274501950d1d19a6a438ce/FLAG1f5011046 [2020-09-25 04:02:13,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/605d8be23/84a80992b4274501950d1d19a6a438ce [2020-09-25 04:02:13,283 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:02:13,289 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:02:13,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:02:13,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:02:13,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:02:13,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:02:13" (1/1) ... [2020-09-25 04:02:13,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:13, skipping insertion in model container [2020-09-25 04:02:13,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:02:13" (1/1) ... [2020-09-25 04:02:13,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:02:13,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:02:13,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:02:13,908 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:02:14,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:02:14,067 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:02:14,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:14 WrapperNode [2020-09-25 04:02:14,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:02:14,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:02:14,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:02:14,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:02:14,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:14" (1/1) ... [2020-09-25 04:02:14,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:14" (1/1) ... [2020-09-25 04:02:14,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:14" (1/1) ... [2020-09-25 04:02:14,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:14" (1/1) ... [2020-09-25 04:02:14,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:14" (1/1) ... [2020-09-25 04:02:14,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:14" (1/1) ... [2020-09-25 04:02:14,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:14" (1/1) ... [2020-09-25 04:02:14,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:02:14,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:02:14,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:02:14,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:02:14,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:14" (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 04:02:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:02:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:02:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:02:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:02:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:02:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:02:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:02:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:02:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:02:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:02:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:02:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:02:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:02:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:02:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:02:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:02:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:02:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:02:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:02:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:02:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:02:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:02:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:02:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:02:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:02:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 04:02:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 04:02:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:02:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:02:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:02:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:02:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:02:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:02:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:02:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:02:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:02:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 04:02:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 04:02:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:02:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:02:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:02:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:02:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:02:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:02:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:02:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:02:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:02:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:02:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 04:02:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:02:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:02:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:02:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:02:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:02:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:02:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:02:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:02:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:02:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:02:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:02:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:02:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:02:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:02:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:02:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:02:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:02:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:02:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:02:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:02:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:02:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:02:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:02:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:02:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:02:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:02:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:02:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:02:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:02:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:02:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 04:02:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 04:02:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 04:02:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:02:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:02:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:02:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:02:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:02:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:02:14,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:02:14,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:02:15,537 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:02:15,538 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:02:15,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:02:15 BoogieIcfgContainer [2020-09-25 04:02:15,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:02:15,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:02:15,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:02:15,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:02:15,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:02:13" (1/3) ... [2020-09-25 04:02:15,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbe0b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:02:15, skipping insertion in model container [2020-09-25 04:02:15,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:02:14" (2/3) ... [2020-09-25 04:02:15,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbe0b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:02:15, skipping insertion in model container [2020-09-25 04:02:15,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:02:15" (3/3) ... [2020-09-25 04:02:15,558 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2020-09-25 04:02:15,571 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:02:15,586 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:02:15,610 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:02:15,659 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:02:15,659 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:02:15,659 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:02:15,659 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:02:15,660 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:02:15,660 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:02:15,660 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:02:15,660 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:02:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2020-09-25 04:02:15,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 04:02:15,756 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:02:15,758 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 04:02:15,759 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:02:15,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:02:15,768 INFO L82 PathProgramCache]: Analyzing trace with hash -142379134, now seen corresponding path program 1 times [2020-09-25 04:02:15,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:02:15,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902531614] [2020-09-25 04:02:15,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:02:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:16,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:16,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:18,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:19,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:20,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:21,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:21,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 04:02:21,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:02:21,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 04:02:21,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:21,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:21,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 04:02:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:21,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-25 04:02:21,775 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:02:21,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:02:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:21,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:21,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:21,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:02:21,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:21,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-09-25 04:02:21,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:21,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:21,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:21,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:21,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:21,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:22,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:02:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:22,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:22,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:22,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:02:22,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:22,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:22,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:22,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:22,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:22,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:22,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:22,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:22,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:02:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:22,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:22,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:22,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:02:22,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:22,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:02:22,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:22,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:22,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:22,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:22,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:22,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:22,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:02:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:22,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:22,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:22,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:02:22,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:22,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:02:22,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:22,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:22,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:22,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:22,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:22,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:22,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:02:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:22,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:22,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:22,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:02:22,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:22,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:22,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:22,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:22,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:22,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:22,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:02:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:22,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:22,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:22,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:02:22,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:22,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:22,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:22,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:22,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:22,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:22,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:22,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:22,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 04:02:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:22,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:22,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:22,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:02:22,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:22,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:02:22,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:22,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:22,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:22,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:02:22,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:22,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:22,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 04:02:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:22,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:22,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:22,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:02:22,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:22,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:22,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:22,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:02:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:22,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:22,174 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 04:02:22,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902531614] [2020-09-25 04:02:22,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:02:22,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:02:22,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289446515] [2020-09-25 04:02:22,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:02:22,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:02:22,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:02:22,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:02:22,212 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 4 states. [2020-09-25 04:02:23,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:02:23,758 INFO L93 Difference]: Finished difference Result 429 states and 515 transitions. [2020-09-25 04:02:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:02:23,760 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-25 04:02:23,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:02:23,783 INFO L225 Difference]: With dead ends: 429 [2020-09-25 04:02:23,783 INFO L226 Difference]: Without dead ends: 282 [2020-09-25 04:02:23,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:02:23,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-25 04:02:23,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 232. [2020-09-25 04:02:23,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-09-25 04:02:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 252 transitions. [2020-09-25 04:02:23,921 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 252 transitions. Word has length 148 [2020-09-25 04:02:23,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:02:23,925 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 252 transitions. [2020-09-25 04:02:23,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:02:23,928 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 252 transitions. [2020-09-25 04:02:23,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-25 04:02:23,937 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:02:23,938 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 04:02:23,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:02:23,939 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:02:23,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:02:23,939 INFO L82 PathProgramCache]: Analyzing trace with hash 325807007, now seen corresponding path program 1 times [2020-09-25 04:02:23,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:02:23,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [833404453] [2020-09-25 04:02:23,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:02:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:24,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:24,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:25,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:26,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:27,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:29,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:29,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:29,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-25 04:02:29,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 04:02:29,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5135 [2020-09-25 04:02:29,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:29,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:29,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:02:29,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 04:02:29,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:02:29,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:29,485 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:02:29,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:02:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:29,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:29,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:29,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:02:29,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:29,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 04:02:29,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:29,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:29,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:29,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:29,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:29,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:29,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:02:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:29,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:29,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:29,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:02:29,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:29,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:02:29,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:29,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:29,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:29,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:29,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:29,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:29,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:02:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:29,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:29,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:29,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:02:29,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:29,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:29,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:29,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:29,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:29,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:29,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:29,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:29,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:02:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:29,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:29,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:29,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:02:29,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:29,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:02:29,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:29,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:29,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:29,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:29,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:29,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:02:29,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:02:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:29,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:29,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:29,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:02:29,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:29,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:02:29,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:29,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:29,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:29,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:29,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:29,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:29,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:02:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:29,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:29,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:29,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:02:29,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:29,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:29,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:29,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:29,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:29,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:29,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:29,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:29,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 04:02:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:29,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:29,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:29,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:02:29,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:29,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:29,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:29,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:02:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:29,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:29,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 04:02:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:29,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:29,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:29,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:02:29,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:29,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:29,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:29,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:29,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:29,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:02:29,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:29,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:29,737 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 04:02:29,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [833404453] [2020-09-25 04:02:29,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:02:29,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:02:29,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823693769] [2020-09-25 04:02:29,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:02:29,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:02:29,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:02:29,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:02:29,745 INFO L87 Difference]: Start difference. First operand 232 states and 252 transitions. Second operand 5 states. [2020-09-25 04:02:30,526 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:02:31,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:02:31,418 INFO L93 Difference]: Finished difference Result 348 states and 398 transitions. [2020-09-25 04:02:31,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:02:31,419 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-25 04:02:31,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:02:31,424 INFO L225 Difference]: With dead ends: 348 [2020-09-25 04:02:31,424 INFO L226 Difference]: Without dead ends: 271 [2020-09-25 04:02:31,426 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 04:02:31,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-09-25 04:02:31,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 222. [2020-09-25 04:02:31,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-09-25 04:02:31,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 239 transitions. [2020-09-25 04:02:31,472 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 239 transitions. Word has length 149 [2020-09-25 04:02:31,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:02:31,472 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 239 transitions. [2020-09-25 04:02:31,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:02:31,473 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 239 transitions. [2020-09-25 04:02:31,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 04:02:31,475 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:02:31,475 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 04:02:31,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:02:31,476 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:02:31,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:02:31,476 INFO L82 PathProgramCache]: Analyzing trace with hash 2005723559, now seen corresponding path program 1 times [2020-09-25 04:02:31,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:02:31,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607817130] [2020-09-25 04:02:31,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:02:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:31,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:31,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:32,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:32,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:34,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:36,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:36,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-25 04:02:36,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:02:36,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 04:02:36,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:36,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:36,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:02:36,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 04:02:36,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:02:36,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:36,834 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:02:36,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:02:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:36,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:36,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:36,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:02:36,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:36,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 04:02:36,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:36,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:36,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:36,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:36,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:36,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:02:36,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:02:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:36,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:36,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:36,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:02:36,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:36,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:36,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:36,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:36,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:36,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:36,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:36,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:36,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:02:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:36,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:36,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:36,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:02:36,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:36,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:02:36,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:36,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:36,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:36,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:36,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:36,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:36,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:02:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:36,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:37,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:37,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:02:37,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:37,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:02:37,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:37,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:37,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:37,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:37,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:37,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:37,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:02:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:37,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:37,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:37,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:02:37,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:37,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:37,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:37,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:37,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:37,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:37,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:37,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:37,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:02:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:37,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:37,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:37,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:02:37,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:37,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:37,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:37,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:37,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:37,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:37,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:37,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:37,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:02:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:37,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:37,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:37,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:02:37,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:37,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:02:37,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:37,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:37,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:02:37,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:37,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:02:37,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:37,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 04:02:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:37,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:37,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:37,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:02:37,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:37,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:02:37,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:37,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:37,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:37,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:02:37,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:37,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:02:37,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 04:02:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:37,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:37,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:37,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:02:37,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:37,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:37,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:37,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:37,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:37,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:02:37,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:37,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:37,097 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 04:02:37,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607817130] [2020-09-25 04:02:37,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:02:37,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:02:37,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806965033] [2020-09-25 04:02:37,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:02:37,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:02:37,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:02:37,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:02:37,103 INFO L87 Difference]: Start difference. First operand 222 states and 239 transitions. Second operand 6 states. [2020-09-25 04:02:37,753 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:02:39,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:02:39,793 INFO L93 Difference]: Finished difference Result 516 states and 611 transitions. [2020-09-25 04:02:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 04:02:39,793 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-25 04:02:39,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:02:39,800 INFO L225 Difference]: With dead ends: 516 [2020-09-25 04:02:39,800 INFO L226 Difference]: Without dead ends: 409 [2020-09-25 04:02:39,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:02:39,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-09-25 04:02:39,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 319. [2020-09-25 04:02:39,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-25 04:02:39,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 354 transitions. [2020-09-25 04:02:39,883 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 354 transitions. Word has length 162 [2020-09-25 04:02:39,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:02:39,884 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 354 transitions. [2020-09-25 04:02:39,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:02:39,884 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 354 transitions. [2020-09-25 04:02:39,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 04:02:39,887 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:02:39,887 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 04:02:39,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:02:39,887 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:02:39,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:02:39,888 INFO L82 PathProgramCache]: Analyzing trace with hash 2061406416, now seen corresponding path program 1 times [2020-09-25 04:02:39,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:02:39,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711590115] [2020-09-25 04:02:39,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:02:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:39,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:40,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:41,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:41,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:44,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:44,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:44,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 04:02:44,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:02:44,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-09-25 04:02:44,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:44,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:02:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 04:02:44,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 04:02:44,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:02:45,342 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:02:45,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:02:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:45,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:45,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:45,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:02:45,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:45,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 04:02:45,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:45,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:45,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:45,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:45,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:45,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:02:45,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:02:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:45,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:45,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:45,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:02:45,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:45,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:02:45,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:45,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:45,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:02:45,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:02:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:45,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:45,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:45,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:02:45,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:45,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:02:45,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:45,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:45,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:45,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:45,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:45,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:02:45,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:02:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:45,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:45,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:45,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:02:45,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:45,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:02:45,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:45,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:45,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:02:45,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:02:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:45,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:45,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:45,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:02:45,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:45,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:02:45,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:45,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:45,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:45,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:45,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:45,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:02:45,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:02:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:45,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:45,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:45,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:02:45,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:45,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:02:45,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:45,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:45,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:02:45,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 04:02:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:45,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:45,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:45,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:02:45,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:45,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:02:45,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:45,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:45,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:02:45,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:45,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:02:45,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:02:45,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:02:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:45,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:45,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:45,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:02:45,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:45,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:02:45,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:45,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:45,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:02:45,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:45,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:02:45,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:02:45,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 04:02:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:02:45,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:02:45,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:02:45,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:02:45,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:02:45,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:02:45,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:02:45,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:02:45,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:02:45,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:02:45,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:02:45,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:02:45,620 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 04:02:45,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711590115] [2020-09-25 04:02:45,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:02:45,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:02:45,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344047059] [2020-09-25 04:02:45,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:02:45,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:02:45,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:02:45,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:02:45,623 INFO L87 Difference]: Start difference. First operand 319 states and 354 transitions. Second operand 10 states. [2020-09-25 04:02:46,171 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:02:47,459 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:48,145 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 04:02:48,488 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:48,839 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:02:49,184 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:49,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:02:49,587 INFO L93 Difference]: Finished difference Result 540 states and 644 transitions. [2020-09-25 04:02:49,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 04:02:49,588 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-25 04:02:49,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:02:49,589 INFO L225 Difference]: With dead ends: 540 [2020-09-25 04:02:49,589 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 04:02:49,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-09-25 04:02:49,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 04:02:49,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 04:02:49,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 04:02:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 04:02:49,594 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2020-09-25 04:02:49,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:02:49,594 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 04:02:49,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:02:49,594 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 04:02:49,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 04:02:49,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:02:49,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 04:02:49,779 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:02:49,946 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:50,085 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 04:02:50,253 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:50,414 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:50,567 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:02:50,730 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:50,866 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 04:02:51,037 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:51,192 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:51,500 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:02:51,806 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:02:52,100 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:02:52,394 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:02:52,539 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:02:52,687 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:02:52,842 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:52,995 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:53,148 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:53,296 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:02:53,450 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:53,603 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:53,757 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:54,001 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 04:02:54,341 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:02:54,681 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:02:55,022 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:02:55,263 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 04:02:55,607 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:02:55,946 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:02:56,103 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:56,251 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:02:56,403 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:56,551 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:02:56,703 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:56,856 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:57,009 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:57,163 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:57,271 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 04:02:57,425 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:57,578 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:57,733 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:57,882 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:02:58,033 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:02:58,186 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:58,343 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:58,462 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-25 04:02:58,569 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 04:02:58,724 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:58,881 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:59,031 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:02:59,193 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:59,346 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:59,499 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:02:59,649 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:02:59,897 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 04:03:00,238 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:03:00,584 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:03:00,925 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:03:01,179 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 04:03:01,520 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:03:01,860 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:03:02,014 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:02,164 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:03:02,318 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:02,427 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 04:03:02,579 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:02,731 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:02,889 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:03:03,043 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:03,196 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:03,349 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:03,502 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:03,657 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:03:03,810 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:03:04,204 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 7 [2020-09-25 04:03:04,418 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 04:03:04,620 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 04:03:04,876 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 04:03:05,047 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23