/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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:03:39,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:03:39,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:03:39,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:03:39,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:03:39,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:03:39,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:03:39,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:03:39,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:03:39,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:03:39,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:03:39,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:03:39,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:03:39,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:03:39,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:03:39,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:03:39,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:03:39,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:03:39,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:03:39,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:03:39,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:03:39,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:03:39,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:03:39,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:03:39,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:03:39,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:03:39,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:03:39,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:03:39,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:03:39,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:03:39,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:03:39,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:03:39,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:03:39,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:03:39,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:03:39,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:03:39,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:03:39,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:03:39,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:03:39,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:03:39,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:03:39,897 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 04:03:39,941 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:03:39,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:03:39,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:03:39,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:03:39,944 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:03:39,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:03:39,945 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:03:39,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:03:39,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:03:39,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:03:39,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:03:39,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:03:39,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:03:39,947 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:03:39,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:03:39,948 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:03:39,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:03:39,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:03:39,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:03:39,948 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:03:39,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:03:39,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:03:39,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:03:39,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:03:39,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:03:39,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:03:39,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:03:39,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:03:39,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:03:39,950 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 04:03:40,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:03:40,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:03:40,413 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:03:40,415 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:03:40,415 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:03:40,416 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c [2020-09-25 04:03:40,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a5961de4/6510272b5b574bbca9ee49d22cb30f1d/FLAG35f6955d7 [2020-09-25 04:03:41,086 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:03:41,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c [2020-09-25 04:03:41,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a5961de4/6510272b5b574bbca9ee49d22cb30f1d/FLAG35f6955d7 [2020-09-25 04:03:41,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a5961de4/6510272b5b574bbca9ee49d22cb30f1d [2020-09-25 04:03:41,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:03:41,326 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:03:41,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:03:41,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:03:41,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:03:41,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:03:41" (1/1) ... [2020-09-25 04:03:41,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d96e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:41, skipping insertion in model container [2020-09-25 04:03:41,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:03:41" (1/1) ... [2020-09-25 04:03:41,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:03:41,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:03:41,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:03:41,918 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:03:42,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:03:42,059 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:03:42,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:42 WrapperNode [2020-09-25 04:03:42,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:03:42,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:03:42,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:03:42,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:03:42,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:42" (1/1) ... [2020-09-25 04:03:42,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:42" (1/1) ... [2020-09-25 04:03:42,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:42" (1/1) ... [2020-09-25 04:03:42,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:42" (1/1) ... [2020-09-25 04:03:42,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:42" (1/1) ... [2020-09-25 04:03:42,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:42" (1/1) ... [2020-09-25 04:03:42,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:42" (1/1) ... [2020-09-25 04:03:42,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:03:42,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:03:42,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:03:42,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:03:42,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:42" (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 04:03:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:03:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:03:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:03:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:03:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:03:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:03:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:03:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:03:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:03:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:03:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:03:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:03:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:03:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:03:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 04:03:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:03:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:03:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:03:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 04:03:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:03:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:03:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:03:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:03:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:03:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 04:03:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 04:03:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 04:03:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:03:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 04:03:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 04:03:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:03:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:03:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:03:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:03:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:03:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:03:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:03:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:03:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:03:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:03:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:03:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:03:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:03:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:03:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:03:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:03:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:03:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:03:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:03:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:03:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:03:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:03:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:03:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:03:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:03:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 04:03:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:03:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:03:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:03:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:03:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:03:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:03:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 04:03:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 04:03:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 04:03:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:03:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:03:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 04:03:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 04:03:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:03:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:03:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:03:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 04:03:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:03:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:03:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:03:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:03:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:03:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:03:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:03:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:03:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:03:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:03:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:03:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:03:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:03:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:03:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:03:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:03:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:03:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:03:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:03:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:03:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:03:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:03:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:03:43,352 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:03:43,352 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:03:43,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:03:43 BoogieIcfgContainer [2020-09-25 04:03:43,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:03:43,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:03:43,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:03:43,364 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:03:43,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:03:41" (1/3) ... [2020-09-25 04:03:43,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fda9b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:03:43, skipping insertion in model container [2020-09-25 04:03:43,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:03:42" (2/3) ... [2020-09-25 04:03:43,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fda9b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:03:43, skipping insertion in model container [2020-09-25 04:03:43,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:03:43" (3/3) ... [2020-09-25 04:03:43,368 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2020-09-25 04:03:43,379 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:03:43,390 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:03:43,412 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:03:43,442 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:03:43,442 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:03:43,442 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:03:43,442 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:03:43,442 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:03:43,442 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:03:43,442 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:03:43,443 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:03:43,471 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states. [2020-09-25 04:03:43,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 04:03:43,490 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:03:43,491 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 04:03:43,491 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:03:43,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:03:43,499 INFO L82 PathProgramCache]: Analyzing trace with hash 2008725575, now seen corresponding path program 1 times [2020-09-25 04:03:43,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:03:43,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [920094648] [2020-09-25 04:03:43,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:03:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:43,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:44,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:45,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:46,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:46,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:48,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:48,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:48,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 04:03:48,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 04:03:48,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-09-25 04:03:48,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:48,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:48,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:48,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 04:03:48,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:48,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-09-25 04:03:49,419 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:03:49,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:03:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:49,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:49,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:49,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:03:49,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:49,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-25 04:03:49,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:49,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:49,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:49,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:49,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:03:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:49,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:49,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:49,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:49,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:49,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:49,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:49,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:49,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:49,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:49,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:49,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:49,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:03:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:49,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:49,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:49,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:49,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:49,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:49,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:49,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:49,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:49,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:49,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:49,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:49,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:03:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:49,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:49,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:49,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:49,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:49,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:03:49,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:49,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:49,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:49,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:03:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:49,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:49,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:49,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:49,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:49,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:49,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:49,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:49,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:03:49,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:03:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:49,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:49,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:49,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:03:49,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:49,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:49,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:49,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:49,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:49,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:49,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:49,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:49,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 04:03:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:49,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:49,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:49,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:49,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:49,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:03:49,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:49,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:49,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:49,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:03:49,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:49,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:49,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 04:03:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:49,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:49,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:49,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:49,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:49,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:49,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:49,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:49,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:49,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:03:49,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:49,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:49,776 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 04:03:49,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [920094648] [2020-09-25 04:03:49,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:03:49,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:03:49,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616236204] [2020-09-25 04:03:49,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:03:49,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:03:49,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:03:49,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:03:49,817 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 4 states. [2020-09-25 04:03:51,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:03:51,233 INFO L93 Difference]: Finished difference Result 451 states and 537 transitions. [2020-09-25 04:03:51,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:03:51,235 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-25 04:03:51,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:03:51,255 INFO L225 Difference]: With dead ends: 451 [2020-09-25 04:03:51,255 INFO L226 Difference]: Without dead ends: 293 [2020-09-25 04:03:51,261 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 04:03:51,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-09-25 04:03:51,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 243. [2020-09-25 04:03:51,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-25 04:03:51,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 263 transitions. [2020-09-25 04:03:51,391 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 263 transitions. Word has length 148 [2020-09-25 04:03:51,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:03:51,394 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 263 transitions. [2020-09-25 04:03:51,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:03:51,394 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 263 transitions. [2020-09-25 04:03:51,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-25 04:03:51,405 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:03:51,406 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 04:03:51,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:03:51,406 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:03:51,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:03:51,407 INFO L82 PathProgramCache]: Analyzing trace with hash -963794546, now seen corresponding path program 1 times [2020-09-25 04:03:51,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:03:51,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125319439] [2020-09-25 04:03:51,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:03:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:51,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:51,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:53,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:53,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:55,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:56,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:56,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-25 04:03:56,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:03:56,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 04:03:56,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:56,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:56,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:03:56,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 04:03:56,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:03:56,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:56,804 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:03:56,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:03:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:56,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:56,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:56,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:03:56,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:56,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 04:03:56,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:56,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:56,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:56,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:56,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:56,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:56,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:03:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:56,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:56,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:56,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:56,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:56,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:56,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:56,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:56,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:56,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:56,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:56,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:56,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:03:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:56,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:56,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:56,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:56,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:56,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:03:56,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:56,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:56,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:56,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:56,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:56,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:56,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:03:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:56,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:56,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:56,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:56,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:56,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:03:56,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:56,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:56,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:56,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:56,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:56,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:56,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:03:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:56,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:56,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:56,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:03:56,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:56,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:03:56,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:56,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:56,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:56,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:56,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:56,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:56,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:03:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:56,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:56,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:56,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:03:56,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:56,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:56,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:56,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:56,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:56,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:03:56,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:56,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:56,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 04:03:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:56,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:56,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:56,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:56,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:56,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:56,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:56,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:03:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:56,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:56,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 04:03:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:56,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:56,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:03:56,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:03:56,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:03:56,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:03:56,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:03:56,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:03:56,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:03:56,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:03:57,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:03:57,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:03:57,026 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 04:03:57,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125319439] [2020-09-25 04:03:57,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:03:57,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:03:57,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197150852] [2020-09-25 04:03:57,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:03:57,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:03:57,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:03:57,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:03:57,030 INFO L87 Difference]: Start difference. First operand 243 states and 263 transitions. Second operand 5 states. [2020-09-25 04:03:57,674 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:03:58,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:03:58,657 INFO L93 Difference]: Finished difference Result 370 states and 420 transitions. [2020-09-25 04:03:58,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:03:58,658 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-25 04:03:58,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:03:58,662 INFO L225 Difference]: With dead ends: 370 [2020-09-25 04:03:58,662 INFO L226 Difference]: Without dead ends: 282 [2020-09-25 04:03:58,664 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 04:03:58,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-25 04:03:58,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 233. [2020-09-25 04:03:58,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-09-25 04:03:58,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 250 transitions. [2020-09-25 04:03:58,707 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 250 transitions. Word has length 149 [2020-09-25 04:03:58,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:03:58,707 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 250 transitions. [2020-09-25 04:03:58,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:03:58,708 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 250 transitions. [2020-09-25 04:03:58,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 04:03:58,710 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:03:58,710 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 04:03:58,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:03:58,710 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:03:58,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:03:58,711 INFO L82 PathProgramCache]: Analyzing trace with hash 886671675, now seen corresponding path program 1 times [2020-09-25 04:03:58,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:03:58,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301514067] [2020-09-25 04:03:58,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:03:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:03:58,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:59,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:03:59,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:00,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:01,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:03,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:03,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-25 04:04:03,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:04:03,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 04:04:03,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:03,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:03,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:04:03,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 04:04:03,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:04:03,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:04:04,122 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:04:04,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:04:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:04,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:04,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:04,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:04:04,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:04,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 04:04:04,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:04,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:04,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:04,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:04,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:04,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:04:04,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:04:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:04,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:04,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:04,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:04,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:04,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:04:04,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:04,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:04,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:04,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:04,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:04,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:04,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:04:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:04,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:04,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:04,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:04,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:04,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:04:04,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:04,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:04,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:04,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:04,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:04,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:04:04,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:04:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:04,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:04,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:04,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:04,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:04,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:04:04,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:04,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:04,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:04,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:04,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:04,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:04:04,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:04:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:04,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:04,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:04,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:04,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:04,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:04:04,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:04,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:04,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:04:04,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:04:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:04,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:04,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:04,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:04:04,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:04,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:04,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:04,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:04,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:04,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:04,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:04,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:04,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:04:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:04,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:04,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:04,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:04:04,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:04,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:04,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:04,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:04,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:04:04,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:04,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:04:04,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:04,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 04:04:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:04,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:04,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:04,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:04,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:04,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:04,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:04,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:04:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:04,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:04:04,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 04:04:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:04,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:04,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:04,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:04,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:04,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:04,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:04,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:04,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:04,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:04:04,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:04,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:04:04,336 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 04:04:04,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301514067] [2020-09-25 04:04:04,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:04:04,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:04:04,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715255774] [2020-09-25 04:04:04,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:04:04,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:04:04,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:04:04,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:04:04,342 INFO L87 Difference]: Start difference. First operand 233 states and 250 transitions. Second operand 6 states. [2020-09-25 04:04:04,890 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:06,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:04:06,679 INFO L93 Difference]: Finished difference Result 549 states and 644 transitions. [2020-09-25 04:04:06,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 04:04:06,680 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-25 04:04:06,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:04:06,685 INFO L225 Difference]: With dead ends: 549 [2020-09-25 04:04:06,685 INFO L226 Difference]: Without dead ends: 431 [2020-09-25 04:04:06,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:04:06,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-09-25 04:04:06,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 341. [2020-09-25 04:04:06,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-09-25 04:04:06,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 376 transitions. [2020-09-25 04:04:06,745 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 376 transitions. Word has length 162 [2020-09-25 04:04:06,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:04:06,745 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 376 transitions. [2020-09-25 04:04:06,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:04:06,746 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 376 transitions. [2020-09-25 04:04:06,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 04:04:06,748 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:04:06,748 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 04:04:06,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:04:06,749 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:04:06,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:04:06,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1756833962, now seen corresponding path program 1 times [2020-09-25 04:04:06,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:04:06,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1018875635] [2020-09-25 04:04:06,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:04:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:06,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:07,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:07,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:08,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:10,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:11,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:11,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 04:04:11,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:04:11,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 04:04:11,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:11,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:11,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:04:11,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 04:04:11,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 04:04:11,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:12,157 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:04:12,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:04:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:12,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:12,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:12,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:04:12,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:12,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 04:04:12,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:12,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:12,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:12,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:12,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:12,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:04:12,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:04:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:12,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:12,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:12,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:12,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:12,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:12,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:12,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:12,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:12,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:12,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:12,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:12,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:04:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:12,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:12,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:12,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:12,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:12,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:12,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:12,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:12,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:12,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:12,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:12,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:12,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:04:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:12,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:12,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:12,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:12,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:12,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:12,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:12,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:12,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:12,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:12,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:12,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:12,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:04:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:12,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:12,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:12,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:04:12,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:12,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:12,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:12,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:12,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:12,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:12,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:12,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:12,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:04:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:12,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:12,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:12,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:04:12,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:12,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:04:12,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:12,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:12,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:12,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:12,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:12,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:12,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 04:04:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:12,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:12,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:12,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:04:12,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:12,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:04:12,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:12,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:12,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:04:12,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:12,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:04:12,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:12,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:04:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:12,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:12,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:12,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:12,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:12,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:04:12,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:12,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:04:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:04:12,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:12,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 04:04:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:12,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:12,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:04:12,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:04:12,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:04:12,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:04:12,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:04:12,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:04:12,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:04:12,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:04:12,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:04:12,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:04:12,517 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 04:04:12,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1018875635] [2020-09-25 04:04:12,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:04:12,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:04:12,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844193873] [2020-09-25 04:04:12,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:04:12,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:04:12,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:04:12,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:04:12,523 INFO L87 Difference]: Start difference. First operand 341 states and 376 transitions. Second operand 10 states. [2020-09-25 04:04:13,275 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:14,403 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:14,727 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:04:15,060 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:15,398 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:04:15,698 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:16,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:04:16,037 INFO L93 Difference]: Finished difference Result 562 states and 666 transitions. [2020-09-25 04:04:16,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 04:04:16,037 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-25 04:04:16,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:04:16,038 INFO L225 Difference]: With dead ends: 562 [2020-09-25 04:04:16,038 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 04:04:16,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-09-25 04:04:16,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 04:04:16,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 04:04:16,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 04:04:16,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 04:04:16,049 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2020-09-25 04:04:16,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:04:16,050 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 04:04:16,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:04:16,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 04:04:16,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 04:04:16,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:04:16,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 04:04:16,257 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:16,426 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:16,594 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:16,764 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:16,923 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:17,080 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:17,241 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 04:04:17,561 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:04:17,885 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:04:18,187 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:04:18,486 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 04:04:18,641 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:18,787 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:04:18,940 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:19,094 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:19,246 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:19,399 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:19,552 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:19,700 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:19,853 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:20,008 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:20,161 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:20,309 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:20,463 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:20,617 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:20,769 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:20,922 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:21,074 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:21,222 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:21,376 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:21,641 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 04:04:21,747 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 04:04:21,899 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:22,051 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:22,204 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:22,357 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:22,466 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 04:04:22,716 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 04:04:23,056 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:04:23,395 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:04:23,740 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:04:23,989 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 04:04:24,335 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:04:24,688 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:04:24,845 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:24,997 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:25,151 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:25,305 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:25,467 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:25,622 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:25,770 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:26,029 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-25 04:04:26,194 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:26,342 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:26,495 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:26,642 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:26,801 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:26,965 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:27,223 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:27,370 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:27,527 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:27,679 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:27,832 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:28,080 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 04:04:28,419 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:04:28,759 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:04:29,098 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:04:29,346 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 04:04:29,685 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:04:30,024 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 04:04:30,180 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:30,327 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:30,484 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:04:30,631 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:04:31,042 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 7 [2020-09-25 04:04:31,232 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 04:04:31,445 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 04:04:31,659 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-25 04:04:31,848 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23