/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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:16:08,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:16:08,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:16:08,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:16:08,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:16:08,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:16:08,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:16:08,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:16:08,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:16:08,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:16:08,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:16:08,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:16:08,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:16:08,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:16:08,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:16:08,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:16:08,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:16:08,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:16:08,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:16:08,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:16:08,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:16:08,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:16:08,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:16:08,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:16:08,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:16:08,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:16:08,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:16:08,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:16:08,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:16:08,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:16:08,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:16:08,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:16:08,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:16:08,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:16:08,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:16:08,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:16:08,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:16:08,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:16:08,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:16:08,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:16:08,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:16:08,541 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 [2020-09-24 20:16:08,569 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:16:08,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:16:08,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:16:08,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:16:08,571 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:16:08,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:16:08,571 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:16:08,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:16:08,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:16:08,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:16:08,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:16:08,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:16:08,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:16:08,573 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:16:08,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:16:08,573 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:16:08,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:16:08,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:16:08,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:16:08,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:16:08,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:16:08,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:16:08,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:16:08,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:16:08,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:16:08,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:16:08,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:16:08,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:16:08,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:16:08,576 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true; [2020-09-24 20:16:09,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:16:09,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:16:09,060 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:16:09,062 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:16:09,063 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:16:09,064 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-09-24 20:16:09,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/999765866/50814fb7a63e432ebe5389d44683e28e/FLAG0185f5a51 [2020-09-24 20:16:09,755 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:16:09,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-09-24 20:16:09,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/999765866/50814fb7a63e432ebe5389d44683e28e/FLAG0185f5a51 [2020-09-24 20:16:10,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/999765866/50814fb7a63e432ebe5389d44683e28e [2020-09-24 20:16:10,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:16:10,059 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:16:10,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:16:10,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:16:10,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:16:10,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:16:10" (1/1) ... [2020-09-24 20:16:10,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9949ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:16:10, skipping insertion in model container [2020-09-24 20:16:10,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:16:10" (1/1) ... [2020-09-24 20:16:10,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:16:10,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:16:10,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:16:10,678 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:16:10,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:16:10,819 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:16:10,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:16:10 WrapperNode [2020-09-24 20:16:10,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:16:10,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:16:10,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:16:10,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:16:10,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:16:10" (1/1) ... [2020-09-24 20:16:10,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:16:10" (1/1) ... [2020-09-24 20:16:10,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:16:10" (1/1) ... [2020-09-24 20:16:10,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:16:10" (1/1) ... [2020-09-24 20:16:10,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:16:10" (1/1) ... [2020-09-24 20:16:10,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:16:10" (1/1) ... [2020-09-24 20:16:10,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:16:10" (1/1) ... [2020-09-24 20:16:10,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:16:10,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:16:10,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:16:10,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:16:10,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:16:10" (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 [2020-09-24 20:16:11,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:16:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:16:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:16:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 20:16:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:16:11,006 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:16:11,006 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:16:11,006 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:16:11,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:16:11,007 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:16:11,007 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:16:11,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:16:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:16:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:16:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:16:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:16:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:16:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:16:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:16:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:16:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 20:16:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:16:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:16:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:16:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:16:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:16:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:16:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:16:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 20:16:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 20:16:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:16:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 20:16:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:16:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:16:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:16:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:16:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:16:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 20:16:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 20:16:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 20:16:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:16:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:16:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:16:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:16:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:16:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:16:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:16:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 20:16:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:16:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:16:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:16:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:16:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:16:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:16:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:16:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:16:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:16:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:16:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:16:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:16:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:16:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:16:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:16:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:16:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:16:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 20:16:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:16:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:16:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:16:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:16:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:16:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:16:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:16:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:16:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:16:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:16:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:16:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:16:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:16:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:16:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:16:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:16:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:16:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:16:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:16:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 20:16:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 20:16:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:16:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 20:16:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 20:16:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 20:16:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:16:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 20:16:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:16:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:16:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:16:12,230 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:16:12,230 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:16:12,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:16:12 BoogieIcfgContainer [2020-09-24 20:16:12,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:16:12,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:16:12,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:16:12,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:16:12,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:16:10" (1/3) ... [2020-09-24 20:16:12,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c2a612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:16:12, skipping insertion in model container [2020-09-24 20:16:12,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:16:10" (2/3) ... [2020-09-24 20:16:12,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c2a612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:16:12, skipping insertion in model container [2020-09-24 20:16:12,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:16:12" (3/3) ... [2020-09-24 20:16:12,259 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2020-09-24 20:16:12,272 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:16:12,289 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:16:12,313 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:16:12,361 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:16:12,362 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:16:12,362 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:16:12,362 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:16:12,362 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:16:12,363 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:16:12,365 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:16:12,365 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:16:12,411 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states. [2020-09-24 20:16:12,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 20:16:12,449 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:16:12,450 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] [2020-09-24 20:16:12,452 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:16:12,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:16:12,463 INFO L82 PathProgramCache]: Analyzing trace with hash -29194710, now seen corresponding path program 1 times [2020-09-24 20:16:12,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:16:12,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1014689700] [2020-09-24 20:16:12,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:16:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:13,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:13,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:14,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:15,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:17,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:17,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 20:16:17,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:16:17,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-09-24 20:16:17,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:17,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:16:17,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 20:16:17,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-24 20:16:17,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-09-24 20:16:18,412 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:16:18,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:16:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:18,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:18,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:18,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:16:18,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:18,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-09-24 20:16:18,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:18,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:18,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:18,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 20:16:18,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:18,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:16:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:18,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:18,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:18,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:16:18,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:18,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:16:18,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:18,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:18,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:18,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:16:18,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:16:18,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:16:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:18,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:18,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:18,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:16:18,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:18,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:16:18,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:16:18,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:16:18,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:16:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:18,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:18,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:18,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:16:18,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:18,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:16:18,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:18,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:18,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:16:18,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:16:18,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:16:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:18,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:18,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:18,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:16:18,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:18,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:16:18,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:18,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:16:18,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:18,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 20:16:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:18,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:18,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:18,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:16:18,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:18,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:16:18,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:18,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:16:18,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:18,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:16:18,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:18,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 20:16:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:18,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:18,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:18,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:16:18,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:18,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:16:18,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:18,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:16:18,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:16:18,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:16:18,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:19,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:16:19,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1014689700] [2020-09-24 20:16:19,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:16:19,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 20:16:19,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969024509] [2020-09-24 20:16:19,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 20:16:19,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:16:19,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 20:16:19,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:16:19,056 INFO L87 Difference]: Start difference. First operand 320 states. Second operand 8 states. [2020-09-24 20:16:19,649 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:16:20,515 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:16:20,858 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:21,295 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:16:21,722 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:16:22,021 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:22,378 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:16:22,714 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:16:24,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:16:24,849 INFO L93 Difference]: Finished difference Result 648 states and 797 transitions. [2020-09-24 20:16:24,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 20:16:24,852 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 20:16:24,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:16:24,875 INFO L225 Difference]: With dead ends: 648 [2020-09-24 20:16:24,875 INFO L226 Difference]: Without dead ends: 449 [2020-09-24 20:16:24,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-24 20:16:24,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-09-24 20:16:25,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 402. [2020-09-24 20:16:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-09-24 20:16:25,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 457 transitions. [2020-09-24 20:16:25,035 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 457 transitions. Word has length 142 [2020-09-24 20:16:25,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:16:25,036 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 457 transitions. [2020-09-24 20:16:25,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 20:16:25,036 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 457 transitions. [2020-09-24 20:16:25,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 20:16:25,042 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:16:25,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:16:25,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:16:25,043 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:16:25,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:16:25,043 INFO L82 PathProgramCache]: Analyzing trace with hash 677940431, now seen corresponding path program 1 times [2020-09-24 20:16:25,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:16:25,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440349075] [2020-09-24 20:16:25,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:16:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:25,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:25,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:26,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:30,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:30,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 20:16:30,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:16:30,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-24 20:16:30,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:30,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 20:16:30,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 20:16:30,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 20:16:30,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:30,425 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:16:30,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:16:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:30,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:30,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:30,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:16:30,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:30,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-09-24 20:16:30,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:30,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:30,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:30,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 20:16:30,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:30,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:16:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:30,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:30,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:30,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:16:30,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:30,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:16:30,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:30,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:30,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:30,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:16:30,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:30,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:16:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:30,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:30,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:30,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:16:30,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:30,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:16:30,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:30,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:30,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:30,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:16:30,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:30,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:16:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:30,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:30,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:30,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:16:30,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:30,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:16:30,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:30,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:30,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:30,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:16:30,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:30,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:16:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:30,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:30,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:30,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:16:30,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:30,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:16:30,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:16:30,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:16:30,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-24 20:16:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:30,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:30,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:30,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:16:30,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:30,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:16:30,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:30,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:16:30,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 20:16:30,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:16:30,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:16:30,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 20:16:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:30,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:30,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:30,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:16:30,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:30,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:16:30,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:30,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:16:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:16:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:16:30,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:16:30,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 20:16:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:30,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:30,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:30,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:16:30,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:30,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:16:30,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:16:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:16:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:16:30,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 20:16:30,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:16:30,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440349075] [2020-09-24 20:16:30,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:16:30,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 20:16:30,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842956221] [2020-09-24 20:16:30,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 20:16:30,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:16:30,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 20:16:30,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 20:16:30,968 INFO L87 Difference]: Start difference. First operand 402 states and 457 transitions. Second operand 5 states. [2020-09-24 20:16:31,465 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:16:32,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:16:32,226 INFO L93 Difference]: Finished difference Result 600 states and 717 transitions. [2020-09-24 20:16:32,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 20:16:32,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-24 20:16:32,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:16:32,231 INFO L225 Difference]: With dead ends: 600 [2020-09-24 20:16:32,231 INFO L226 Difference]: Without dead ends: 297 [2020-09-24 20:16:32,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 20:16:32,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-09-24 20:16:32,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 274. [2020-09-24 20:16:32,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-09-24 20:16:32,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 292 transitions. [2020-09-24 20:16:32,278 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 292 transitions. Word has length 148 [2020-09-24 20:16:32,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:16:32,278 INFO L479 AbstractCegarLoop]: Abstraction has 274 states and 292 transitions. [2020-09-24 20:16:32,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 20:16:32,279 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 292 transitions. [2020-09-24 20:16:32,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 20:16:32,281 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:16:32,281 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] [2020-09-24 20:16:32,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:16:32,282 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:16:32,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:16:32,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1630307916, now seen corresponding path program 1 times [2020-09-24 20:16:32,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:16:32,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344709862] [2020-09-24 20:16:32,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:16:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:32,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:32,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:33,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:34,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:37,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:37,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-24 20:16:37,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:16:37,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-24 20:16:37,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:37,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 20:16:37,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 20:16:37,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-24 20:16:37,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:37,698 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:16:37,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:16:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:37,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:37,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:37,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:16:37,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:37,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-24 20:16:37,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:37,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:37,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:37,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 20:16:37,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:37,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:16:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:38,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:38,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:38,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:16:38,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:38,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:16:38,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:38,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:38,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:38,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:16:38,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:38,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:16:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:38,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:38,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:38,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:16:38,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:38,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:16:38,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:38,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:38,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:38,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:16:38,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:16:38,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:16:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:38,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:38,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:38,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:16:38,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:38,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:16:38,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:38,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:38,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:38,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:16:38,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:38,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:16:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:38,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:38,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:38,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:16:38,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:38,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:16:38,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:38,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:16:38,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:38,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 20:16:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:38,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:38,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:38,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:16:38,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:38,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 20:16:38,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:38,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:16:38,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:16:38,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:16:38,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:38,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 20:16:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:38,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:38,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:38,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:16:38,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:38,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 20:16:38,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:38,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:38,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:38,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:16:38,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 20:16:38,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 20:16:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:38,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:38,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:38,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:16:38,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:38,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:16:38,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:16:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:38,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:16:38,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:16:38,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 20:16:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:38,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:38,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:38,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:16:38,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:38,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:16:38,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:38,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:16:38,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:16:38,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:16:38,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:16:38,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:16:38,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344709862] [2020-09-24 20:16:38,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:16:38,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 20:16:38,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938084925] [2020-09-24 20:16:38,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 20:16:38,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:16:38,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 20:16:38,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 20:16:38,272 INFO L87 Difference]: Start difference. First operand 274 states and 292 transitions. Second operand 12 states. [2020-09-24 20:16:38,953 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:16:40,159 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:16:40,500 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:40,837 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:41,186 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:16:41,523 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:42,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:16:42,193 INFO L93 Difference]: Finished difference Result 427 states and 490 transitions. [2020-09-24 20:16:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 20:16:42,194 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 161 [2020-09-24 20:16:42,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:16:42,196 INFO L225 Difference]: With dead ends: 427 [2020-09-24 20:16:42,196 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 20:16:42,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2020-09-24 20:16:42,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 20:16:42,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 20:16:42,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 20:16:42,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 20:16:42,200 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-24 20:16:42,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:16:42,200 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 20:16:42,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 20:16:42,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 20:16:42,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 20:16:42,201 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:16:42,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 20:16:42,399 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:42,578 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:42,752 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:42,906 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:16:43,070 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:43,231 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:43,400 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:43,545 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:16:43,707 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:43,873 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:44,013 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:16:44,174 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:44,329 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:44,486 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:44,640 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:44,807 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:44,966 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:45,119 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:45,272 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:45,424 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:45,583 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:45,737 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:45,897 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:46,055 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:46,208 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:46,369 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:46,508 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:16:46,666 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:46,823 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:46,976 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:47,132 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:47,285 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:47,445 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:47,604 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:47,757 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:47,911 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:48,063 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:48,223 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:48,376 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:48,696 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:48,850 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:49,003 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:49,322 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:49,488 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:49,647 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:49,804 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:49,958 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:50,110 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:50,268 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:50,429 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:50,841 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:50,996 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:51,171 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:51,488 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:51,646 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:51,798 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:51,956 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:52,113 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:52,266 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:52,419 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:52,577 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:52,745 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:52,897 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:53,020 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:16:53,186 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:53,343 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:53,497 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:53,655 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:53,815 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:53,968 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:54,127 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:54,280 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:54,433 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:54,593 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:54,746 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:54,873 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:16:55,041 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:55,162 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:16:55,487 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 20:16:55,804 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:56,124 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:56,277 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:56,604 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 20:16:56,928 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 20:16:57,081 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:57,233 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:57,385 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:57,543 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:57,707 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:57,860 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:58,013 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:58,166 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:58,322 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:58,476 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:58,629 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:58,786 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:58,943 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:59,100 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:59,538 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 20:16:59,746 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:17:00,028 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 20:17:00,553 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 20:17:00,988 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 20:17:01,401 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 20:17:01,656 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:17:01,921 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:17:02,143 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:17:02,593 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 20:17:02,787 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 20:17:03,165 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-09-24 20:17:03,593 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 20:17:04,056 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16