/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=0.8 --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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:35:16,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:35:16,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:35:16,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:35:16,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:35:16,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:35:16,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:35:16,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:35:16,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:35:16,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:35:16,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:35:16,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:35:16,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:35:16,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:35:16,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:35:16,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:35:16,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:35:16,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:35:16,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:35:16,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:35:16,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:35:16,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:35:16,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:35:16,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:35:16,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:35:16,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:35:16,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:35:16,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:35:16,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:35:16,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:35:16,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:35:16,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:35:16,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:35:16,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:35:16,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:35:16,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:35:16,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:35:16,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:35:16,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:35:16,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:35:16,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:35:16,630 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 07:35:16,654 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:35:16,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:35:16,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:35:16,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:35:16,656 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:35:16,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:35:16,657 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:35:16,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:35:16,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:35:16,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:35:16,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:35:16,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:35:16,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:35:16,658 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:35:16,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:35:16,658 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:35:16,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:35:16,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:35:16,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:35:16,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:35:16,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:35:16,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:35:16,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:35:16,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:35:16,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:35:16,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:35:16,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:35:16,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:35:16,661 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:35:16,661 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=0.8;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=0.8;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=0.8;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=0.8;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=0.8;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=0.8;log-additional-information=true; [2020-09-25 07:35:17,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:35:17,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:35:17,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:35:17,170 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:35:17,171 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:35:17,172 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2020-09-25 07:35:17,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b3f0f99c/db6408223e6f4b7aab8180f36d5f955f/FLAGf56301f96 [2020-09-25 07:35:17,867 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:35:17,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2020-09-25 07:35:17,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b3f0f99c/db6408223e6f4b7aab8180f36d5f955f/FLAGf56301f96 [2020-09-25 07:35:18,104 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b3f0f99c/db6408223e6f4b7aab8180f36d5f955f [2020-09-25 07:35:18,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:35:18,121 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:35:18,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:35:18,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:35:18,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:35:18,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:35:18" (1/1) ... [2020-09-25 07:35:18,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53352fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18, skipping insertion in model container [2020-09-25 07:35:18,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:35:18" (1/1) ... [2020-09-25 07:35:18,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:35:18,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:35:18,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:35:18,669 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:35:18,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:35:18,810 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:35:18,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18 WrapperNode [2020-09-25 07:35:18,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:35:18,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:35:18,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:35:18,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:35:18,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (1/1) ... [2020-09-25 07:35:18,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (1/1) ... [2020-09-25 07:35:18,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (1/1) ... [2020-09-25 07:35:18,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (1/1) ... [2020-09-25 07:35:18,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (1/1) ... [2020-09-25 07:35:18,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (1/1) ... [2020-09-25 07:35:18,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (1/1) ... [2020-09-25 07:35:18,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:35:18,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:35:18,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:35:18,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:35:18,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (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 07:35:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:35:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:35:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 07:35:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 07:35:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 07:35:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 07:35:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 07:35:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:35:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 07:35:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 07:35:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 07:35:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 07:35:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 07:35:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 07:35:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 07:35:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 07:35:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 07:35:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 07:35:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 07:35:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 07:35:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 07:35:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 07:35:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 07:35:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 07:35:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 07:35:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 07:35:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 07:35:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 07:35:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 07:35:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 07:35:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 07:35:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 07:35:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 07:35:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 07:35:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 07:35:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 07:35:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 07:35:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 07:35:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 07:35:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 07:35:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:35:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:35:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 07:35:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 07:35:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 07:35:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 07:35:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 07:35:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 07:35:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 07:35:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 07:35:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 07:35:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 07:35:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 07:35:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 07:35:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 07:35:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:35:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 07:35:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:35:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:35:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 07:35:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:35:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:35:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:35:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:35:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 07:35:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:35:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 07:35:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 07:35:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:35:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 07:35:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 07:35:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:35:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 07:35:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 07:35:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 07:35:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 07:35:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 07:35:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 07:35:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 07:35:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 07:35:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 07:35:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 07:35:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 07:35:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 07:35:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 07:35:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 07:35:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 07:35:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 07:35:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 07:35:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 07:35:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 07:35:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:35:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:35:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:35:20,331 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:35:20,331 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 07:35:20,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:35:20 BoogieIcfgContainer [2020-09-25 07:35:20,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:35:20,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:35:20,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:35:20,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:35:20,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:35:18" (1/3) ... [2020-09-25 07:35:20,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392fee05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:35:20, skipping insertion in model container [2020-09-25 07:35:20,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (2/3) ... [2020-09-25 07:35:20,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392fee05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:35:20, skipping insertion in model container [2020-09-25 07:35:20,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:35:20" (3/3) ... [2020-09-25 07:35:20,356 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2020-09-25 07:35:20,368 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:35:20,379 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:35:20,398 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:35:20,429 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:35:20,429 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:35:20,429 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:35:20,429 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:35:20,429 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:35:20,429 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:35:20,430 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:35:20,430 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:35:20,458 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states. [2020-09-25 07:35:20,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 07:35:20,479 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:35:20,481 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 07:35:20,481 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:35:20,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:35:20,489 INFO L82 PathProgramCache]: Analyzing trace with hash -55902763, now seen corresponding path program 1 times [2020-09-25 07:35:20,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:35:20,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1525173144] [2020-09-25 07:35:20,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:35:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:20,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:21,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:22,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:23,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:25,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:25,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 07:35:25,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:35:25,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-09-25 07:35:25,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:25,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:25,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:25,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 07:35:25,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:25,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 07:35:26,408 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:35:26,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:35:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:26,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:26,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:26,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:35:26,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:26,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-25 07:35:26,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:26,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:26,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:26,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:26,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:35:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:26,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:26,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:26,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:26,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:26,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:35:26,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:26,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:26,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:26,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:26,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:26,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:26,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:35:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:26,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:26,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:26,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:26,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:26,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:26,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:26,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:26,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:26,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:26,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:26,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:26,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:35:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:26,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:26,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:26,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:26,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:26,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:35:26,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:26,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:26,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:26,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:26,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:26,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:26,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:35:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:26,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:26,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:26,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:26,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:26,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:26,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:26,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:26,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:26,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 07:35:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:26,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:26,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:26,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:26,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:26,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:26,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:26,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:26,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:26,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:26,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:26,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:26,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:35:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:26,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:26,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:26,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:26,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:26,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:35:26,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:26,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:26,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:26,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:26,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:26,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:26,763 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 07:35:26,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1525173144] [2020-09-25 07:35:26,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:35:26,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 07:35:26,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982491781] [2020-09-25 07:35:26,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 07:35:26,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:35:26,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 07:35:26,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:35:26,808 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 3 states. [2020-09-25 07:35:28,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:35:28,338 INFO L93 Difference]: Finished difference Result 488 states and 583 transitions. [2020-09-25 07:35:28,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 07:35:28,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 07:35:28,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:35:28,360 INFO L225 Difference]: With dead ends: 488 [2020-09-25 07:35:28,361 INFO L226 Difference]: Without dead ends: 303 [2020-09-25 07:35:28,369 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 07:35:28,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-09-25 07:35:28,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 259. [2020-09-25 07:35:28,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-09-25 07:35:28,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 282 transitions. [2020-09-25 07:35:28,479 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 282 transitions. Word has length 142 [2020-09-25 07:35:28,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:35:28,480 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 282 transitions. [2020-09-25 07:35:28,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 07:35:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 282 transitions. [2020-09-25 07:35:28,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 07:35:28,486 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:35:28,486 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 07:35:28,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:35:28,487 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:35:28,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:35:28,487 INFO L82 PathProgramCache]: Analyzing trace with hash -2092667990, now seen corresponding path program 1 times [2020-09-25 07:35:28,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:35:28,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155820916] [2020-09-25 07:35:28,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:35:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:28,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:28,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:30,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:30,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:33,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:33,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 07:35:33,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:35:33,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 07:35:33,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:33,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:33,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:33,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 07:35:33,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:35:33,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:33,900 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:35:33,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:35:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:33,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:34,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:34,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:35:34,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:34,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 07:35:34,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:34,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:34,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:34,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:34,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:34,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:34,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:35:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:34,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:34,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:34,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:34,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:34,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:35:34,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:34,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:34,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:34,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:34,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:34,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:34,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:35:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:34,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:34,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:34,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:34,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:34,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:35:34,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:34,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:34,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:34,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:34,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:34,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:34,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:35:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:34,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:34,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:34,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:34,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:34,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:35:34,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:34,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:34,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:34,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:34,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:35:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:34,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:34,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:34,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:34,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:34,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:34,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:34,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:34,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:34,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:34,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:34,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:34,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:35:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:34,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:34,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:34,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:34,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:34,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:35:34,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:34,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:34,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:34,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:34,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:34,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:34,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 07:35:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:34,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:34,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:34,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:34,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:34,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:34,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:34,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:34,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:34,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:34,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:34,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:34,112 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 07:35:34,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155820916] [2020-09-25 07:35:34,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:35:34,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 07:35:34,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882138907] [2020-09-25 07:35:34,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 07:35:34,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:35:34,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 07:35:34,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:35:34,119 INFO L87 Difference]: Start difference. First operand 259 states and 282 transitions. Second operand 4 states. [2020-09-25 07:35:34,763 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:35:35,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:35:35,797 INFO L93 Difference]: Finished difference Result 395 states and 446 transitions. [2020-09-25 07:35:35,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 07:35:35,798 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 07:35:35,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:35:35,802 INFO L225 Difference]: With dead ends: 395 [2020-09-25 07:35:35,802 INFO L226 Difference]: Without dead ends: 286 [2020-09-25 07:35:35,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:35:35,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-25 07:35:35,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 249. [2020-09-25 07:35:35,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-25 07:35:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 269 transitions. [2020-09-25 07:35:35,872 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 269 transitions. Word has length 143 [2020-09-25 07:35:35,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:35:35,873 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 269 transitions. [2020-09-25 07:35:35,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 07:35:35,874 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 269 transitions. [2020-09-25 07:35:35,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 07:35:35,881 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:35:35,882 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 07:35:35,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:35:35,882 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:35:35,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:35:35,883 INFO L82 PathProgramCache]: Analyzing trace with hash -747836850, now seen corresponding path program 1 times [2020-09-25 07:35:35,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:35:35,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [469432112] [2020-09-25 07:35:35,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:35:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:35,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:36,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:37,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:38,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:40,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:40,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 07:35:40,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:35:40,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 07:35:40,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:40,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:40,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 07:35:40,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:35:40,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,252 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:35:41,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:35:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:41,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:41,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:41,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:35:41,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:41,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 07:35:41,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:41,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:41,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:41,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:41,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:41,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:35:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:41,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:41,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:41,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:41,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:41,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:35:41,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:41,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:41,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:35:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:41,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:41,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:41,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:41,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:41,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:35:41,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:41,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:41,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:41,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:41,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:41,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:35:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:41,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:41,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:41,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:41,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:41,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:35:41,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:41,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:41,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:35:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:41,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:41,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:41,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:41,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:41,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:35:41,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:41,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:41,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:41,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:41,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:41,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 07:35:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:41,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:41,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:41,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:35:41,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:41,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:35:41,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:41,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:41,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:41,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:41,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:35:41,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 07:35:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:41,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:41,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:41,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:41,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:41,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:41,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:41,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:41,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:41,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:41,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:41,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 07:35:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:41,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:41,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:41,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:41,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:41,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:41,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:41,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:41,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:41,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:41,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:41,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,471 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 07:35:41,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [469432112] [2020-09-25 07:35:41,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:35:41,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:35:41,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601333436] [2020-09-25 07:35:41,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:35:41,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:35:41,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:35:41,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:35:41,474 INFO L87 Difference]: Start difference. First operand 249 states and 269 transitions. Second operand 5 states. [2020-09-25 07:35:42,125 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:44,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:35:44,186 INFO L93 Difference]: Finished difference Result 597 states and 694 transitions. [2020-09-25 07:35:44,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:35:44,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 07:35:44,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:35:44,191 INFO L225 Difference]: With dead ends: 597 [2020-09-25 07:35:44,192 INFO L226 Difference]: Without dead ends: 458 [2020-09-25 07:35:44,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:35:44,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-09-25 07:35:44,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 378. [2020-09-25 07:35:44,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-09-25 07:35:44,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 419 transitions. [2020-09-25 07:35:44,274 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 419 transitions. Word has length 156 [2020-09-25 07:35:44,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:35:44,275 INFO L479 AbstractCegarLoop]: Abstraction has 378 states and 419 transitions. [2020-09-25 07:35:44,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:35:44,276 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 419 transitions. [2020-09-25 07:35:44,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 07:35:44,279 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:35:44,279 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 07:35:44,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:35:44,280 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:35:44,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:35:44,280 INFO L82 PathProgramCache]: Analyzing trace with hash 2002058177, now seen corresponding path program 1 times [2020-09-25 07:35:44,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:35:44,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1632015638] [2020-09-25 07:35:44,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:35:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:44,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:45,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:45,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:47,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:49,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:49,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 07:35:49,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:35:49,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 07:35:49,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:49,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:49,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:35:49,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 07:35:49,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 07:35:49,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:49,698 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:35:49,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:35:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:49,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:49,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:49,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:35:49,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:49,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 07:35:49,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:49,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:49,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:49,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:49,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:49,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:35:49,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:35:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:49,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:49,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:49,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:49,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:49,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:35:49,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:49,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:49,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:49,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:49,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:49,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:35:49,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:35:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:49,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:49,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:49,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:49,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:49,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:35:49,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:49,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:49,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:49,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:49,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:49,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:35:49,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:35:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:49,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:49,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:49,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:49,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:49,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:35:49,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:49,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:49,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:49,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:49,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:49,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:49,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:35:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:49,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:49,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:49,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:49,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:49,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:35:49,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:49,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:49,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:49,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:49,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:49,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:49,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 07:35:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:49,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:49,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:49,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:35:49,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:49,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:35:49,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:49,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:49,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:49,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:49,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:35:49,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:49,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 07:35:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:49,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:49,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:49,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:49,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:49,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:35:49,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:49,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:49,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:49,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:49,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:35:49,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:35:49,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 07:35:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:49,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:49,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:49,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:49,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:49,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:35:49,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:49,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:49,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:35:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:35:49,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:49,973 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 07:35:49,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1632015638] [2020-09-25 07:35:49,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:35:49,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 07:35:49,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152042547] [2020-09-25 07:35:49,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 07:35:49,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:35:49,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 07:35:49,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 07:35:49,976 INFO L87 Difference]: Start difference. First operand 378 states and 419 transitions. Second operand 9 states. [2020-09-25 07:35:50,448 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:51,585 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:51,901 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:35:52,209 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:52,512 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:35:52,806 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:52,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:35:52,978 INFO L93 Difference]: Finished difference Result 587 states and 686 transitions. [2020-09-25 07:35:52,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 07:35:52,978 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 07:35:52,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:35:52,980 INFO L225 Difference]: With dead ends: 587 [2020-09-25 07:35:52,980 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 07:35:52,982 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 07:35:52,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 07:35:52,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 07:35:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 07:35:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 07:35:52,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 07:35:52,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:35:52,983 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 07:35:52,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 07:35:52,983 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 07:35:52,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 07:35:52,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:35:52,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 07:35:53,140 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 07:35:53,308 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:53,464 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:53,623 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:53,787 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:53,944 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:54,096 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:54,204 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 07:35:54,350 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:54,505 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:54,844 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 07:35:55,082 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 07:35:55,411 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 07:35:55,724 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 07:35:55,903 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:56,047 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:56,341 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 07:35:56,638 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 07:35:56,931 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 07:35:57,071 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:35:57,222 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:57,369 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:57,513 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:57,663 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:57,806 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:57,958 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:58,105 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:58,254 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:58,404 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:58,548 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:58,697 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:58,844 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:58,992 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:59,136 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:59,284 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:59,529 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:59,692 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:59,835 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:59,983 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:00,131 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:00,276 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:00,430 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:00,643 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 07:36:00,793 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:00,946 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:01,097 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:01,246 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:01,350 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 07:36:01,517 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:01,839 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 07:36:02,073 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 07:36:02,388 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 07:36:02,701 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 07:36:02,848 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:02,992 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:03,140 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:03,289 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:03,445 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:03,593 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:03,740 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:03,888 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:04,033 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:04,180 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:04,327 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:04,790 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 07:36:05,013 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:36:05,213 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 07:36:05,666 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 07:36:06,125 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 07:36:06,478 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 07:36:06,643 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 07:36:06,892 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:36:07,148 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:36:07,356 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 07:36:07,766 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 07:36:07,966 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:36:08,172 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 07:36:08,580 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8