/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=LOWLEXORDER --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_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:23:02,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:23:02,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:23:02,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:23:02,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:23:02,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:23:02,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:23:02,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:23:02,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:23:02,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:23:02,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:23:02,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:23:02,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:23:02,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:23:02,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:23:02,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:23:02,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:23:02,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:23:02,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:23:02,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:23:02,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:23:02,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:23:02,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:23:02,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:23:02,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:23:02,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:23:02,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:23:02,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:23:02,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:23:02,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:23:02,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:23:02,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:23:02,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:23:02,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:23:02,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:23:02,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:23:02,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:23:02,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:23:02,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:23:02,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:23:02,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:23:02,456 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 21:23:02,482 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:23:02,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:23:02,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:23:02,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:23:02,484 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:23:02,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:23:02,484 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 21:23:02,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:23:02,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 21:23:02,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:23:02,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:23:02,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:23:02,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:23:02,486 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 21:23:02,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:23:02,486 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:23:02,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:23:02,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:23:02,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:23:02,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:23:02,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:23:02,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:23:02,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:23:02,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:23:02,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:23:02,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:23:02,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:23:02,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:23:02,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:23:02,489 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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;log-additional-information=true; [2020-09-24 21:23:02,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:23:02,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:23:02,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:23:02,999 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:23:03,000 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:23:03,001 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2020-09-24 21:23:03,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cc85963b/d915397775fa43178de20952d6ea46d4/FLAG1601b8a76 [2020-09-24 21:23:03,735 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:23:03,736 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2020-09-24 21:23:03,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cc85963b/d915397775fa43178de20952d6ea46d4/FLAG1601b8a76 [2020-09-24 21:23:03,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cc85963b/d915397775fa43178de20952d6ea46d4 [2020-09-24 21:23:03,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:23:03,976 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:23:03,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:23:03,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:23:03,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:23:03,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:23:03" (1/1) ... [2020-09-24 21:23:03,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:03, skipping insertion in model container [2020-09-24 21:23:03,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:23:03" (1/1) ... [2020-09-24 21:23:03,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:23:04,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:23:04,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:23:04,495 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:23:04,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:23:04,728 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:23:04,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:04 WrapperNode [2020-09-24 21:23:04,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:23:04,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:23:04,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:23:04,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:23:04,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:04" (1/1) ... [2020-09-24 21:23:04,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:04" (1/1) ... [2020-09-24 21:23:04,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:04" (1/1) ... [2020-09-24 21:23:04,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:04" (1/1) ... [2020-09-24 21:23:04,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:04" (1/1) ... [2020-09-24 21:23:04,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:04" (1/1) ... [2020-09-24 21:23:04,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:04" (1/1) ... [2020-09-24 21:23:04,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:23:04,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:23:04,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:23:04,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:23:04,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:04" (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 21:23:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:23:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:23:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 21:23:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 21:23:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 21:23:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 21:23:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 21:23:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 21:23:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 21:23:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 21:23:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 21:23:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 21:23:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 21:23:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 21:23:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 21:23:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 21:23:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 21:23:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:23:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 21:23:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 21:23:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 21:23:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 21:23:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 21:23:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 21:23:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 21:23:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 21:23:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 21:23:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 21:23:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 21:23:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 21:23:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 21:23:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 21:23:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 21:23:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 21:23:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 21:23:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 21:23:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 21:23:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:23:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:23:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 21:23:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 21:23:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 21:23:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 21:23:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 21:23:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 21:23:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 21:23:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:23:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 21:23:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 21:23:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 21:23:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 21:23:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 21:23:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 21:23:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 21:23:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 21:23:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 21:23:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 21:23:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 21:23:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:23:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 21:23:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 21:23:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 21:23:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 21:23:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 21:23:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 21:23:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:23:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 21:23:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 21:23:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:23:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 21:23:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 21:23:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:23:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 21:23:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 21:23:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 21:23:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 21:23:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 21:23:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 21:23:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 21:23:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 21:23:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 21:23:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 21:23:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 21:23:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 21:23:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 21:23:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:23:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 21:23:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:23:06,136 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:23:06,136 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 21:23:06,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:23:06 BoogieIcfgContainer [2020-09-24 21:23:06,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:23:06,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:23:06,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:23:06,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:23:06,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:23:03" (1/3) ... [2020-09-24 21:23:06,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c0b942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:23:06, skipping insertion in model container [2020-09-24 21:23:06,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:04" (2/3) ... [2020-09-24 21:23:06,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c0b942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:23:06, skipping insertion in model container [2020-09-24 21:23:06,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:23:06" (3/3) ... [2020-09-24 21:23:06,154 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2020-09-24 21:23:06,166 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:23:06,178 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:23:06,201 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:23:06,237 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:23:06,238 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:23:06,238 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:23:06,238 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:23:06,238 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:23:06,238 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:23:06,239 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:23:06,239 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:23:06,269 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states. [2020-09-24 21:23:06,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 21:23:06,289 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:23:06,290 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 21:23:06,291 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:23:06,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:23:06,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1039821128, now seen corresponding path program 1 times [2020-09-24 21:23:06,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:23:06,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911458099] [2020-09-24 21:23:06,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:23:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:06,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:07,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:08,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:09,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:11,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:11,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 21:23:11,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 21:23:11,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-24 21:23:11,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:11,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 21:23:11,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 21:23:11,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-24 21:23:11,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 21:23:12,346 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:23:12,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:23:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:12,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:12,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:12,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:23:12,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:12,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-09-24 21:23:12,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 21:23:12,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:12,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:23:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:12,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:12,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:12,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:12,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:12,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:23:12,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:12,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:12,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:12,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:12,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:12,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 21:23:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:12,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:12,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:12,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:12,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:12,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:23:12,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:12,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:12,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:12,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:12,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:12,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 21:23:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:12,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:12,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:12,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:12,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:12,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:23:12,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:12,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:12,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:12,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:12,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:12,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 21:23:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:12,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:12,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:12,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:12,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:12,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:23:12,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:12,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:12,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:12,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:12,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:12,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 21:23:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:12,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:12,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:12,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:12,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:12,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:23:12,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:12,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:23:12,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:12,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:12,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:12,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 21:23:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:12,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:12,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:12,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:12,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:12,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:23:12,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:12,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:23:12,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:23:12,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:23:12,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:13,030 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 21:23:13,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911458099] [2020-09-24 21:23:13,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:23:13,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:23:13,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603467576] [2020-09-24 21:23:13,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:23:13,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:23:13,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:23:13,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:23:13,067 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 8 states. [2020-09-24 21:23:13,633 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 21:23:14,781 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 21:23:15,426 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-24 21:23:15,868 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:23:16,303 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 21:23:16,662 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:17,061 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-24 21:23:17,363 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:23:18,114 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 21:23:19,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:23:19,469 INFO L93 Difference]: Finished difference Result 555 states and 685 transitions. [2020-09-24 21:23:19,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 21:23:19,472 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 21:23:19,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:23:19,509 INFO L225 Difference]: With dead ends: 555 [2020-09-24 21:23:19,509 INFO L226 Difference]: Without dead ends: 387 [2020-09-24 21:23:19,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-24 21:23:19,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2020-09-24 21:23:19,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 342. [2020-09-24 21:23:19,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-09-24 21:23:19,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 384 transitions. [2020-09-24 21:23:19,669 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 384 transitions. Word has length 142 [2020-09-24 21:23:19,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:23:19,671 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 384 transitions. [2020-09-24 21:23:19,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:23:19,671 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 384 transitions. [2020-09-24 21:23:19,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 21:23:19,678 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:23:19,678 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 21:23:19,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:23:19,679 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:23:19,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:23:19,679 INFO L82 PathProgramCache]: Analyzing trace with hash -507367720, now seen corresponding path program 1 times [2020-09-24 21:23:19,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:23:19,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2100188272] [2020-09-24 21:23:19,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:23:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:19,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:19,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:20,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:24,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:24,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 21:23:24,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:23:24,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-24 21:23:24,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:24,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 21:23:24,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 21:23:24,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 21:23:24,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:25,073 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:23:25,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:23:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:25,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:25,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:25,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:23:25,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:25,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-09-24 21:23:25,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 21:23:25,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:25,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:23:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:25,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:25,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:25,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:25,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:25,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:23:25,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:25,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:25,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:25,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:25,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:25,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 21:23:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:25,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:25,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:25,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:25,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:25,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:25,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:25,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:25,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:25,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:25,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 21:23:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:25,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:25,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:25,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:25,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:25,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:23:25,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:25,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:25,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:25,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:25,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:25,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 21:23:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:25,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:25,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:25,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:25,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:25,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:25,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:25,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:25,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:25,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:25,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:25,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-24 21:23:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:25,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:25,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:25,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:23:25,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:25,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:23:25,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:23:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 21:23:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:23:25,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:25,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 21:23:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:25,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:25,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:25,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:25,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:25,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:23:25,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:25,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:23:25,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:23:25,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:23:25,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:25,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 21:23:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:25,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:25,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:25,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:25,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:25,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:23:25,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:25,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:23:25,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:23:25,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:23:25,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:25,546 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 21:23:25,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2100188272] [2020-09-24 21:23:25,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:23:25,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 21:23:25,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332704461] [2020-09-24 21:23:25,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 21:23:25,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:23:25,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 21:23:25,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 21:23:25,556 INFO L87 Difference]: Start difference. First operand 342 states and 384 transitions. Second operand 5 states. [2020-09-24 21:23:26,046 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 21:23:26,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:23:26,733 INFO L93 Difference]: Finished difference Result 533 states and 631 transitions. [2020-09-24 21:23:26,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 21:23:26,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-24 21:23:26,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:23:26,737 INFO L225 Difference]: With dead ends: 533 [2020-09-24 21:23:26,737 INFO L226 Difference]: Without dead ends: 290 [2020-09-24 21:23:26,740 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:23:26,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-09-24 21:23:26,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 265. [2020-09-24 21:23:26,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-09-24 21:23:26,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 282 transitions. [2020-09-24 21:23:26,783 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 282 transitions. Word has length 148 [2020-09-24 21:23:26,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:23:26,784 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 282 transitions. [2020-09-24 21:23:26,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 21:23:26,785 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 282 transitions. [2020-09-24 21:23:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 21:23:26,787 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:23:26,788 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 21:23:26,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:23:26,788 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:23:26,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:23:26,789 INFO L82 PathProgramCache]: Analyzing trace with hash -2026313989, now seen corresponding path program 1 times [2020-09-24 21:23:26,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:23:26,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1203419177] [2020-09-24 21:23:26,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:23:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:26,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:27,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:28,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:28,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:31,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:31,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-24 21:23:31,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 21:23:31,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-24 21:23:31,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:31,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 21:23:31,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 21:23:31,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-24 21:23:31,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:32,248 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:23:32,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:23:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:32,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:32,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:32,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:23:32,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:32,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-09-24 21:23:32,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:32,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:32,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:32,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 21:23:32,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:32,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:23:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:32,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:32,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:32,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:32,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:32,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:32,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:32,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:32,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:32,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 21:23:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:32,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:32,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:32,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:32,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:32,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:32,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:32,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:32,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:32,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:32,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:32,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 21:23:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:32,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:32,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:32,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:32,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:32,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 21:23:32,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:32,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:32,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:32,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:32,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:32,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 21:23:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:32,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:32,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:32,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:32,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:32,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:32,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:32,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:32,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:32,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:32,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:32,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 21:23:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:32,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:32,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:32,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:23:32,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:32,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:23:32,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:32,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:23:32,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:23:32,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:23:32,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:32,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 21:23:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:32,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:32,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:32,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:23:32,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:32,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:32,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:32,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:32,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:32,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 21:23:32,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 21:23:32,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 21:23:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:32,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:32,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:32,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:32,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:32,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:23:32,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:23:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:32,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:32,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:32,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 21:23:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:32,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:32,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:32,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:32,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:32,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:23:32,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:32,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:23:32,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:23:32,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:23:32,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:32,778 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 21:23:32,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1203419177] [2020-09-24 21:23:32,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:23:32,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 21:23:32,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275485212] [2020-09-24 21:23:32,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 21:23:32,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:23:32,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 21:23:32,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 21:23:32,782 INFO L87 Difference]: Start difference. First operand 265 states and 282 transitions. Second operand 12 states. [2020-09-24 21:23:33,532 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 21:23:34,722 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:23:35,098 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:35,468 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:35,790 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 21:23:36,150 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:36,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:23:36,788 INFO L93 Difference]: Finished difference Result 413 states and 475 transitions. [2020-09-24 21:23:36,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 21:23:36,789 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 161 [2020-09-24 21:23:36,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:23:36,790 INFO L225 Difference]: With dead ends: 413 [2020-09-24 21:23:36,790 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 21:23:36,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2020-09-24 21:23:36,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 21:23:36,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 21:23:36,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 21:23:36,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 21:23:36,793 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-24 21:23:36,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:23:36,794 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 21:23:36,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 21:23:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 21:23:36,794 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 21:23:36,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 21:23:36,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 21:23:36,988 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:37,164 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:37,371 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 21:23:37,542 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:37,902 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 21:23:38,240 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:23:38,573 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 21:23:38,727 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:38,882 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:39,039 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:39,366 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 21:23:39,520 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:39,846 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:23:40,166 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:23:40,494 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:23:40,648 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:40,801 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:40,965 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:41,117 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:41,274 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:41,448 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 21:23:41,610 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 21:23:41,773 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:41,931 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:42,089 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:42,241 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:42,395 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:42,553 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:42,710 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:42,850 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:23:43,003 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:43,156 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:43,308 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:43,460 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:43,710 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:43,871 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:44,030 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:44,183 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:44,336 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:44,489 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:44,648 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:44,802 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:44,956 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:45,115 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:45,268 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:45,423 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:45,583 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:45,741 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:45,922 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:46,082 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:46,236 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:46,394 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:46,547 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:46,705 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:46,869 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:47,028 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:47,183 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:47,341 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:47,494 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:47,652 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:47,810 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:47,969 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:48,123 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:48,281 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:48,434 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:48,586 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:48,739 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:48,897 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:49,050 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:49,205 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:49,359 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:49,518 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:49,836 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:23:50,154 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:23:50,307 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:50,459 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:50,621 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 21:23:50,779 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:50,953 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 21:23:51,111 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:51,269 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:51,443 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:51,601 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:51,758 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:51,912 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:52,065 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:52,217 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:52,370 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:52,532 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 21:23:52,690 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:52,847 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:53,004 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:53,158 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:53,310 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:53,750 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 21:23:53,993 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 21:23:54,421 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-09-24 21:23:54,790 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-09-24 21:23:54,996 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 21:23:55,314 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 21:23:55,548 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 21:23:55,853 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 21:23:56,080 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:23:56,509 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-24 21:23:56,994 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 21:23:57,198 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1