/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=WIDEST --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_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:03:12,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:03:12,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:03:12,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:03:12,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:03:12,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:03:12,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:03:12,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:03:12,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:03:12,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:03:12,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:03:12,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:03:12,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:03:12,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:03:12,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:03:12,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:03:12,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:03:12,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:03:12,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:03:12,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:03:12,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:03:12,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:03:12,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:03:12,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:03:12,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:03:12,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:03:12,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:03:12,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:03:12,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:03:12,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:03:12,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:03:12,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:03:12,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:03:12,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:03:12,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:03:12,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:03:12,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:03:12,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:03:12,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:03:12,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:03:12,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:03:12,443 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 03:03:12,476 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:03:12,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:03:12,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:03:12,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:03:12,479 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:03:12,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:03:12,480 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:03:12,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:03:12,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:03:12,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:03:12,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:03:12,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:03:12,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:03:12,482 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:03:12,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:03:12,483 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:03:12,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:03:12,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:03:12,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:03:12,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:03:12,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:03:12,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:03:12,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:03:12,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:03:12,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:03:12,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:03:12,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:03:12,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:03:12,486 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:03:12,486 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true; [2020-09-25 03:03:12,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:03:12,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:03:12,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:03:13,000 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:03:13,000 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:03:13,001 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-09-25 03:03:13,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc1835af2/aa730492bfeb41648a54cc9130544d53/FLAGd743234b1 [2020-09-25 03:03:13,748 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:03:13,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-09-25 03:03:13,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc1835af2/aa730492bfeb41648a54cc9130544d53/FLAGd743234b1 [2020-09-25 03:03:13,970 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc1835af2/aa730492bfeb41648a54cc9130544d53 [2020-09-25 03:03:13,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:03:13,989 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:03:13,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:03:13,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:03:13,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:03:13,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:03:13" (1/1) ... [2020-09-25 03:03:14,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbc2ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:13, skipping insertion in model container [2020-09-25 03:03:14,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:03:13" (1/1) ... [2020-09-25 03:03:14,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:03:14,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:03:14,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:03:14,571 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:03:14,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:03:14,735 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:03:14,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:14 WrapperNode [2020-09-25 03:03:14,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:03:14,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:03:14,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:03:14,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:03:14,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:14" (1/1) ... [2020-09-25 03:03:14,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:14" (1/1) ... [2020-09-25 03:03:14,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:14" (1/1) ... [2020-09-25 03:03:14,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:14" (1/1) ... [2020-09-25 03:03:14,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:14" (1/1) ... [2020-09-25 03:03:14,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:14" (1/1) ... [2020-09-25 03:03:14,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:14" (1/1) ... [2020-09-25 03:03:14,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:03:14,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:03:14,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:03:14,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:03:14,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:03:15,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:03:15,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:03:15,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:03:15,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:03:15,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:03:15,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:03:15,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:03:15,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:03:15,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:03:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:03:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:03:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:03:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:03:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:03:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:03:15,013 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:03:15,013 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:03:15,013 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:03:15,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:03:15,014 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:03:15,014 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:03:15,014 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:03:15,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:03:15,015 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:03:15,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:03:15,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 03:03:15,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 03:03:15,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:03:15,016 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:03:15,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:03:15,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 03:03:15,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 03:03:15,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:03:15,017 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 03:03:15,017 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:03:15,017 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:03:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:03:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:03:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:03:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 03:03:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 03:03:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 03:03:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:03:15,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:03:15,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:03:15,022 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:03:15,022 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:03:15,022 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:03:15,022 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:03:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:03:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:03:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:03:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:03:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:03:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:03:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:03:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:03:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:03:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:03:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:03:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:03:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:03:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:03:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:03:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:03:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:03:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:03:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:03:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:03:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:03:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:03:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:03:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:03:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:03:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:03:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:03:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:03:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:03:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:03:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:03:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:03:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:03:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:03:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:03:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 03:03:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 03:03:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:03:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:03:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 03:03:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:03:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:03:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 03:03:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 03:03:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 03:03:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 03:03:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:03:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 03:03:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:03:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:03:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:03:16,416 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:03:16,417 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:03:16,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:03:16 BoogieIcfgContainer [2020-09-25 03:03:16,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:03:16,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:03:16,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:03:16,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:03:16,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:03:13" (1/3) ... [2020-09-25 03:03:16,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcc8df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:03:16, skipping insertion in model container [2020-09-25 03:03:16,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:14" (2/3) ... [2020-09-25 03:03:16,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcc8df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:03:16, skipping insertion in model container [2020-09-25 03:03:16,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:03:16" (3/3) ... [2020-09-25 03:03:16,434 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2020-09-25 03:03:16,446 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:03:16,457 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:03:16,481 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:03:16,519 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:03:16,519 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:03:16,519 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:03:16,520 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:03:16,520 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:03:16,520 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:03:16,520 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:03:16,520 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:03:16,551 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states. [2020-09-25 03:03:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 03:03:16,571 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:16,572 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 03:03:16,573 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:16,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:16,582 INFO L82 PathProgramCache]: Analyzing trace with hash 678471582, now seen corresponding path program 1 times [2020-09-25 03:03:16,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:16,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869149819] [2020-09-25 03:03:16,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:03:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:17,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:17,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:18,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:19,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:22,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:22,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 03:03:22,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:03:22,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5069 [2020-09-25 03:03:22,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:22,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:03:22,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 03:03:22,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 03:03:22,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:03:22,499 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:03:22,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:03:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:22,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:22,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:22,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:03:22,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:22,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-09-25 03:03:22,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:22,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 03:03:22,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:22,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:03:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:22,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:22,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:22,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:22,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:22,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:03:22,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:22,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:22,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:22,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:22,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:22,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:03:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:22,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:22,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:22,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:22,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:22,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:03:22,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:22,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:22,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:22,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:22,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:22,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:03:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:22,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:22,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:22,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:22,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:22,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:03:22,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:22,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:22,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:22,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:22,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:22,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:03:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:22,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:22,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:22,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:22,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:22,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:03:22,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:22,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:22,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:22,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:22,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:22,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:03:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:22,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:22,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:22,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:22,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:22,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:03:22,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:22,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:22,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:22,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:22,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:23,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:03:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:23,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:23,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:23,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:23,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:23,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:23,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:23,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:23,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:23,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:23,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:23,074 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 03:03:23,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869149819] [2020-09-25 03:03:23,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:03:23,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 03:03:23,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9516837] [2020-09-25 03:03:23,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 03:03:23,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:03:23,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 03:03:23,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 03:03:23,109 INFO L87 Difference]: Start difference. First operand 352 states. Second operand 8 states. [2020-09-25 03:03:23,696 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:24,701 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:25,029 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:25,479 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:25,914 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:26,249 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:26,603 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:26,984 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:29,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:03:29,887 INFO L93 Difference]: Finished difference Result 779 states and 957 transitions. [2020-09-25 03:03:29,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 03:03:29,890 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 03:03:29,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:03:29,917 INFO L225 Difference]: With dead ends: 779 [2020-09-25 03:03:29,917 INFO L226 Difference]: Without dead ends: 538 [2020-09-25 03:03:29,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 03:03:29,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-09-25 03:03:30,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 488. [2020-09-25 03:03:30,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2020-09-25 03:03:30,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 557 transitions. [2020-09-25 03:03:30,178 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 557 transitions. Word has length 142 [2020-09-25 03:03:30,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:03:30,179 INFO L479 AbstractCegarLoop]: Abstraction has 488 states and 557 transitions. [2020-09-25 03:03:30,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 03:03:30,179 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 557 transitions. [2020-09-25 03:03:30,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 03:03:30,186 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:30,187 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:03:30,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:03:30,187 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:30,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:30,188 INFO L82 PathProgramCache]: Analyzing trace with hash 188320700, now seen corresponding path program 1 times [2020-09-25 03:03:30,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:30,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2076244605] [2020-09-25 03:03:30,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:03:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:30,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:30,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:31,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:35,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:35,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 03:03:35,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:03:35,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 03:03:35,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:03:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 03:03:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 03:03:35,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:35,611 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:03:35,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:03:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:35,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:35,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:35,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:03:35,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:35,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-09-25 03:03:35,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:35,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:35,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:35,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 03:03:35,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:35,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:03:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:35,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:35,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:35,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:35,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:35,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:35,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:35,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:35,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:35,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:35,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:35,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:03:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:35,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:35,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:35,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:35,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:35,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:35,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:35,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:35,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:35,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:35,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:35,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:03:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:35,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:35,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:35,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:35,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:35,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:03:35,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:35,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:35,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:35,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:35,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:35,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:03:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:35,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:35,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:35,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:35,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:35,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:35,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:35,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:35,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:35,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:35,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:35,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 03:03:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:35,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:35,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:35,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:03:35,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:35,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:03:35,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:35,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:35,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:35,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:03:35,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:35,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 03:03:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:35,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:36,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:36,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:36,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:36,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:36,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:36,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:36,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:36,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:36,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:36,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 03:03:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:36,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:36,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:36,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:36,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:36,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:36,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:36,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:36,037 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 03:03:36,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2076244605] [2020-09-25 03:03:36,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:03:36,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:03:36,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677752123] [2020-09-25 03:03:36,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:03:36,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:03:36,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:03:36,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:03:36,042 INFO L87 Difference]: Start difference. First operand 488 states and 557 transitions. Second operand 5 states. [2020-09-25 03:03:36,522 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:39,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:03:39,494 INFO L93 Difference]: Finished difference Result 1331 states and 1605 transitions. [2020-09-25 03:03:39,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 03:03:39,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 03:03:39,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:03:39,505 INFO L225 Difference]: With dead ends: 1331 [2020-09-25 03:03:39,506 INFO L226 Difference]: Without dead ends: 953 [2020-09-25 03:03:39,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:03:39,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2020-09-25 03:03:39,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 841. [2020-09-25 03:03:39,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2020-09-25 03:03:39,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 973 transitions. [2020-09-25 03:03:39,645 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 973 transitions. Word has length 148 [2020-09-25 03:03:39,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:03:39,646 INFO L479 AbstractCegarLoop]: Abstraction has 841 states and 973 transitions. [2020-09-25 03:03:39,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:03:39,646 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 973 transitions. [2020-09-25 03:03:39,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-25 03:03:39,651 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:39,651 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:03:39,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:03:39,652 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:39,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:39,652 INFO L82 PathProgramCache]: Analyzing trace with hash 260926908, now seen corresponding path program 1 times [2020-09-25 03:03:39,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:39,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2086087882] [2020-09-25 03:03:39,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:03:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:39,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:39,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:40,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:40,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:43,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:44,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:44,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-09-25 03:03:44,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:03:44,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 03:03:44,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:44,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 03:03:44,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 03:03:44,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-25 03:03:44,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:45,058 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:03:45,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:03:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:45,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:45,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:45,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:03:45,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:45,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-09-25 03:03:45,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 03:03:45,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:45,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:03:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:45,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:45,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:45,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:45,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:45,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:45,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:45,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:45,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:03:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:45,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:45,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:45,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:45,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:45,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:45,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:45,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:45,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:45,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:03:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:45,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:45,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:45,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:45,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:45,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:03:45,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:45,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:45,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:45,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:45,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:45,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:03:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:45,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:45,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:45,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:45,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:45,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:45,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:45,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:45,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:45,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:45,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:45,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 03:03:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:45,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:45,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:45,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:03:45,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:45,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:03:45,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:45,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:45,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:03:45,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:03:45,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:45,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 03:03:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:45,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:45,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:45,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:45,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:45,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 03:03:45,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:03:45,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 03:03:45,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:45,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:45,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:45,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 03:03:45,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:03:45,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:45,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:45,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:45,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:45,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:03:45,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:03:45,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 03:03:45,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:03:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 03:03:45,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:03:45,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:45,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:45,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:45,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:45,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 03:03:45,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:45,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:03:45,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:45,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:03:45,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:03:45,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 03:03:45,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:45,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:45,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:45,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:45,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:45,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:45,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:45,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:45,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:45,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 03:03:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:45,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:45,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:45,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:45,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:45,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:03:45,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:45,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:45,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:45,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:45,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:45,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 03:03:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:45,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:45,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:45,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:45,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:45,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:45,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:45,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:45,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:45,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:45,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:45,809 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 03:03:45,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2086087882] [2020-09-25 03:03:45,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:03:45,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 03:03:45,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831899635] [2020-09-25 03:03:45,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 03:03:45,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:03:45,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 03:03:45,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-25 03:03:45,812 INFO L87 Difference]: Start difference. First operand 841 states and 973 transitions. Second operand 14 states. [2020-09-25 03:03:46,382 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:47,348 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:48,251 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:48,621 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:03:49,044 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:49,414 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:03:49,792 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:50,208 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:03:50,565 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:52,083 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:52,516 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:52,829 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:53,229 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:53,608 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:53,930 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:54,271 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:54,584 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:03:54,938 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:55,263 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:55,662 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:03:56,076 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:03:57,097 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:03:57,499 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:03:57,965 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:58,373 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:03:58,757 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:03:59,244 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:59,634 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:04:02,341 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:04:02,593 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188