/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=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:18:15,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:18:15,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:18:15,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:18:15,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:18:15,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:18:15,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:18:15,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:18:15,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:18:15,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:18:15,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:18:15,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:18:15,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:18:15,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:18:15,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:18:15,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:18:15,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:18:15,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:18:16,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:18:16,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:18:16,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:18:16,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:18:16,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:18:16,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:18:16,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:18:16,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:18:16,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:18:16,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:18:16,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:18:16,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:18:16,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:18:16,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:18:16,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:18:16,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:18:16,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:18:16,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:18:16,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:18:16,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:18:16,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:18:16,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:18:16,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:18:16,046 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 05:18:16,082 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:18:16,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:18:16,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:18:16,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:18:16,084 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:18:16,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:18:16,084 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:18:16,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:18:16,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:18:16,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:18:16,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:18:16,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:18:16,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:18:16,086 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:18:16,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:18:16,086 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:18:16,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:18:16,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:18:16,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:18:16,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:18:16,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:18:16,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:18:16,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:18:16,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:18:16,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:18:16,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:18:16,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:18:16,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:18:16,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:18:16,089 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 05:18:16,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:18:16,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:18:16,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:18:16,590 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:18:16,590 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:18:16,591 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-09-25 05:18:16,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c930ac65f/626d96b3cc584cf78a2f36def9862759/FLAG06b19f0e7 [2020-09-25 05:18:17,375 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:18:17,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-09-25 05:18:17,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c930ac65f/626d96b3cc584cf78a2f36def9862759/FLAG06b19f0e7 [2020-09-25 05:18:17,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c930ac65f/626d96b3cc584cf78a2f36def9862759 [2020-09-25 05:18:17,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:18:17,567 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:18:17,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:18:17,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:18:17,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:18:17,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:18:17" (1/1) ... [2020-09-25 05:18:17,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387f035d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:17, skipping insertion in model container [2020-09-25 05:18:17,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:18:17" (1/1) ... [2020-09-25 05:18:17,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:18:17,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:18:18,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:18:18,147 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:18:18,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:18:18,347 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:18:18,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:18 WrapperNode [2020-09-25 05:18:18,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:18:18,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:18:18,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:18:18,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:18:18,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:18" (1/1) ... [2020-09-25 05:18:18,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:18" (1/1) ... [2020-09-25 05:18:18,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:18" (1/1) ... [2020-09-25 05:18:18,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:18" (1/1) ... [2020-09-25 05:18:18,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:18" (1/1) ... [2020-09-25 05:18:18,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:18" (1/1) ... [2020-09-25 05:18:18,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:18" (1/1) ... [2020-09-25 05:18:18,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:18:18,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:18:18,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:18:18,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:18:18,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:18" (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 05:18:18,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:18:18,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:18:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:18:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 05:18:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:18:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:18:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:18:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:18:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:18:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:18:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:18:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:18:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:18:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:18:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:18:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:18:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:18:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:18:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:18:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:18:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 05:18:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:18:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:18:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:18:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:18:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:18:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:18:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:18:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:18:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 05:18:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:18:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 05:18:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:18:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:18:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:18:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:18:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:18:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 05:18:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 05:18:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 05:18:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:18:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:18:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:18:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:18:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:18:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:18:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:18:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 05:18:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:18:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:18:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:18:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:18:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:18:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:18:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:18:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:18:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:18:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:18:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:18:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:18:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:18:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:18:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:18:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:18:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:18:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 05:18:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:18:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:18:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:18:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:18:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:18:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:18:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:18:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:18:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:18:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:18:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:18:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:18:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:18:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:18:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:18:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:18:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:18:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:18:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:18:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 05:18:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 05:18:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:18:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:18:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 05:18:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 05:18:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:18:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 05:18:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:18:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:18:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:18:19,824 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:18:19,824 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:18:19,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:18:19 BoogieIcfgContainer [2020-09-25 05:18:19,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:18:19,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:18:19,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:18:19,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:18:19,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:18:17" (1/3) ... [2020-09-25 05:18:19,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32836148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:18:19, skipping insertion in model container [2020-09-25 05:18:19,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:18" (2/3) ... [2020-09-25 05:18:19,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32836148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:18:19, skipping insertion in model container [2020-09-25 05:18:19,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:18:19" (3/3) ... [2020-09-25 05:18:19,854 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2020-09-25 05:18:19,868 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:18:19,884 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:18:19,910 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:18:19,956 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:18:19,957 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:18:19,957 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:18:19,957 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:18:19,957 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:18:19,957 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:18:19,958 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:18:19,959 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:18:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states. [2020-09-25 05:18:20,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 05:18:20,036 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:18:20,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:18:20,040 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:18:20,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:18:20,050 INFO L82 PathProgramCache]: Analyzing trace with hash -29194710, now seen corresponding path program 1 times [2020-09-25 05:18:20,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:18:20,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545428379] [2020-09-25 05:18:20,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:18:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:20,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:20,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:22,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:23,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:25,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:25,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 05:18:25,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:18:25,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-09-25 05:18:25,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:25,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 05:18:25,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:25,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 17 [2020-09-25 05:18:26,035 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:18:26,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:18:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:26,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:26,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:26,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:18:26,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:26,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-09-25 05:18:26,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:26,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:26,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:26,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:26,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:26,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:26,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:18:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:26,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:26,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:26,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:26,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:26,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:18:26,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:26,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:26,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:26,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:26,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:26,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:26,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:18:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:26,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:26,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:26,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:26,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:26,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:18:26,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:26,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:26,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:26,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:26,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:26,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:26,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:18:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:26,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:26,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:26,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:26,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:26,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:18:26,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:26,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:26,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:26,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:26,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:26,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:18:26,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:18:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:26,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:26,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:26,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:26,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:26,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:18:26,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:26,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:26,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:26,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:26,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:18:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:26,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:26,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:26,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:26,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:26,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:18:26,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:26,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:26,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:26,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:18:26,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:26,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:26,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:18:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:26,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:26,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:26,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:26,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:26,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:18:26,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:26,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:18:26,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:26,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:18:26,416 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 05:18:26,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545428379] [2020-09-25 05:18:26,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:18:26,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 05:18:26,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563264412] [2020-09-25 05:18:26,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 05:18:26,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:18:26,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 05:18:26,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:18:26,469 INFO L87 Difference]: Start difference. First operand 320 states. Second operand 3 states. [2020-09-25 05:18:28,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:18:28,306 INFO L93 Difference]: Finished difference Result 488 states and 583 transitions. [2020-09-25 05:18:28,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 05:18:28,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 05:18:28,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:18:28,351 INFO L225 Difference]: With dead ends: 488 [2020-09-25 05:18:28,353 INFO L226 Difference]: Without dead ends: 303 [2020-09-25 05:18:28,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:18:28,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-09-25 05:18:28,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 259. [2020-09-25 05:18:28,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-09-25 05:18:28,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 282 transitions. [2020-09-25 05:18:28,525 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 282 transitions. Word has length 142 [2020-09-25 05:18:28,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:18:28,526 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 282 transitions. [2020-09-25 05:18:28,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 05:18:28,527 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 282 transitions. [2020-09-25 05:18:28,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 05:18:28,531 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:18:28,531 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] [2020-09-25 05:18:28,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:18:28,532 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:18:28,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:18:28,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1893464465, now seen corresponding path program 1 times [2020-09-25 05:18:28,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:18:28,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1285625673] [2020-09-25 05:18:28,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:18:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:28,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:28,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:30,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:30,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:32,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:33,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:33,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 05:18:33,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:18:33,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-09-25 05:18:33,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:33,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:18:33,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 05:18:33,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:18:33,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:33,964 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:18:33,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:18:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:33,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:34,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:34,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:18:34,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:34,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 05:18:34,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:34,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:34,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:34,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:34,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:34,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:34,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:18:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:34,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:34,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:34,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:34,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:34,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:18:34,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:34,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:34,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:34,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:34,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:34,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:34,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:18:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:34,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:34,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:34,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:34,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:34,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:18:34,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:34,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:34,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:34,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:34,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:34,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:34,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:18:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:34,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:34,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:34,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:34,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:34,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:18:34,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:34,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:34,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:34,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:34,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:34,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:34,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:18:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:34,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:34,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:34,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:34,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:34,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:18:34,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:34,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:34,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:34,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:34,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:34,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:34,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:18:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:34,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:34,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:34,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:34,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:34,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:18:34,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:34,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:34,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:34,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:18:34,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:34,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:34,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 05:18:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:34,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:34,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:34,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:34,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:34,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:18:34,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:34,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:34,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:34,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:18:34,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:34,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:34,183 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 05:18:34,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1285625673] [2020-09-25 05:18:34,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:18:34,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:18:34,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964761061] [2020-09-25 05:18:34,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:18:34,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:18:34,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:18:34,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:18:34,189 INFO L87 Difference]: Start difference. First operand 259 states and 282 transitions. Second operand 4 states. [2020-09-25 05:18:34,827 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:18:35,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:18:35,811 INFO L93 Difference]: Finished difference Result 395 states and 446 transitions. [2020-09-25 05:18:35,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 05:18:35,811 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 05:18:35,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:18:35,816 INFO L225 Difference]: With dead ends: 395 [2020-09-25 05:18:35,816 INFO L226 Difference]: Without dead ends: 286 [2020-09-25 05:18:35,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:18:35,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-25 05:18:35,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 249. [2020-09-25 05:18:35,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-25 05:18:35,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 269 transitions. [2020-09-25 05:18:35,904 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 269 transitions. Word has length 143 [2020-09-25 05:18:35,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:18:35,905 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 269 transitions. [2020-09-25 05:18:35,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:18:35,905 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 269 transitions. [2020-09-25 05:18:35,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 05:18:35,907 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:18:35,908 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:18:35,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:18:35,908 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:18:35,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:18:35,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1620953734, now seen corresponding path program 1 times [2020-09-25 05:18:35,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:18:35,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [746765958] [2020-09-25 05:18:35,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:18:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:36,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:36,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:37,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:38,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:40,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:40,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 05:18:40,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:18:40,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 05:18:40,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:40,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:18:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 05:18:40,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:18:40,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,293 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:18:41,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:18:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:41,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:41,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:41,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:18:41,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:41,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 05:18:41,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:41,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:41,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:41,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:41,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:41,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:18:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:41,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:41,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:41,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:41,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:41,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:18:41,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:41,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:41,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:41,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:41,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:41,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:18:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:41,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:41,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:41,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:41,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:41,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:18:41,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:41,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:41,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:41,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:41,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:41,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:18:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:41,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:41,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:41,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:41,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:41,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:18:41,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:41,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:41,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:41,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:41,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:41,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:18:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:41,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:41,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:41,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:41,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:41,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:18:41,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:41,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:41,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:41,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 05:18:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:41,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:41,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:41,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:18:41,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:41,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:18:41,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:41,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:18:41,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:41,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:18:41,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:18:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:41,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:41,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:41,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:41,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:41,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:18:41,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:41,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:41,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:41,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:18:41,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:41,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 05:18:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:41,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:41,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:41,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:41,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:41,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:18:41,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:41,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:41,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:41,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:18:41,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:41,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,531 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 05:18:41,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [746765958] [2020-09-25 05:18:41,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:18:41,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:18:41,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798328084] [2020-09-25 05:18:41,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:18:41,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:18:41,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:18:41,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:18:41,536 INFO L87 Difference]: Start difference. First operand 249 states and 269 transitions. Second operand 5 states. [2020-09-25 05:18:42,034 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:43,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:18:43,966 INFO L93 Difference]: Finished difference Result 597 states and 694 transitions. [2020-09-25 05:18:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:18:43,967 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 05:18:43,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:18:43,971 INFO L225 Difference]: With dead ends: 597 [2020-09-25 05:18:43,972 INFO L226 Difference]: Without dead ends: 458 [2020-09-25 05:18:43,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 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 05:18:43,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-09-25 05:18:44,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 378. [2020-09-25 05:18:44,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-09-25 05:18:44,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 419 transitions. [2020-09-25 05:18:44,040 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 419 transitions. Word has length 156 [2020-09-25 05:18:44,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:18:44,041 INFO L479 AbstractCegarLoop]: Abstraction has 378 states and 419 transitions. [2020-09-25 05:18:44,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:18:44,041 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 419 transitions. [2020-09-25 05:18:44,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:18:44,043 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:18:44,043 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] [2020-09-25 05:18:44,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:18:44,044 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:18:44,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:18:44,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1603328841, now seen corresponding path program 1 times [2020-09-25 05:18:44,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:18:44,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872273253] [2020-09-25 05:18:44,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:18:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:44,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:44,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:45,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:47,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:49,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:49,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 05:18:49,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:18:49,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 05:18:49,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:49,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:18:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 05:18:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 05:18:49,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:18:49,481 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:18:49,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:18:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:49,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:49,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:49,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:18:49,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:49,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 05:18:49,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:49,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:49,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:49,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:49,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:49,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:49,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:18:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:49,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:49,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:49,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:49,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:49,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:18:49,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:49,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:49,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:49,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:49,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:49,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:49,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:18:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:49,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:49,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:49,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:49,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:49,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:18:49,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:49,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:49,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:49,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:49,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:49,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:49,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:18:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:49,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:49,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:49,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:49,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:49,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:18:49,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:49,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:49,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:49,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:49,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:49,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:18:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:49,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:49,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:49,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:49,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:49,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:18:49,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:49,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:49,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:49,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:49,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:49,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:49,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 05:18:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:49,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:49,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:49,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:18:49,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:49,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:18:49,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:49,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:49,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:18:49,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:49,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:18:49,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:49,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 05:18:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:49,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:49,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:49,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:49,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:49,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:18:49,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:49,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:49,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:18:49,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:49,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:18:49,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:49,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 05:18:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:49,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:49,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:49,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:49,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:49,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:18:49,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:49,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:18:49,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:49,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:18:49,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:49,823 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 05:18:49,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872273253] [2020-09-25 05:18:49,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:18:49,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:18:49,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755958878] [2020-09-25 05:18:49,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:18:49,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:18:49,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:18:49,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:18:49,828 INFO L87 Difference]: Start difference. First operand 378 states and 419 transitions. Second operand 9 states. [2020-09-25 05:18:50,460 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:51,561 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:51,871 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:18:52,193 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:52,522 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:18:52,824 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:53,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:18:53,086 INFO L93 Difference]: Finished difference Result 587 states and 686 transitions. [2020-09-25 05:18:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 05:18:53,086 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 05:18:53,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:18:53,088 INFO L225 Difference]: With dead ends: 587 [2020-09-25 05:18:53,088 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:18:53,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:18:53,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:18:53,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:18:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:18:53,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:18:53,093 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 05:18:53,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:18:53,093 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:18:53,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:18:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:18:53,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:18:53,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:18:53,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:18:53,301 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:53,488 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:53,669 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:54,009 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 05:18:54,185 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:54,348 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:54,506 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:54,625 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 05:18:54,773 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:54,927 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:55,045 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 05:18:55,365 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 05:18:55,678 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 05:18:55,994 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 05:18:56,231 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 05:18:56,543 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 05:18:56,854 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 05:18:57,159 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 05:18:57,313 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:57,452 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:18:57,600 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:57,746 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:57,894 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:58,043 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:58,194 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:58,343 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:58,488 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:58,642 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:58,792 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:58,936 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:59,090 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:59,234 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:59,383 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:59,531 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:59,680 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:59,830 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:59,979 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:19:00,128 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:19:00,271 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:19:00,417 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:19:00,566 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:19:00,720 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:19:00,866 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:19:00,969 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 05:19:01,126 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:19:01,274 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:19:01,421 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:19:01,572 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:19:01,724 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:19:01,872 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:19:02,034 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:19:02,295 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:19:02,402 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 05:19:02,553 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:19:02,701 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:19:03,013 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 05:19:03,324 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 05:19:03,636 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 05:19:03,867 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 05:19:04,018 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:19:04,176 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:19:04,325 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:19:04,475 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:19:04,624 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:19:04,772 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:19:05,195 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 05:19:05,386 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:19:05,616 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 05:19:06,018 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 05:19:06,440 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 05:19:06,631 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 05:19:06,801 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:19:07,039 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184