/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 log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:42:01,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:42:01,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:42:01,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:42:01,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:42:01,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:42:01,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:42:01,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:42:01,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:42:01,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:42:01,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:42:01,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:42:01,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:42:01,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:42:01,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:42:01,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:42:01,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:42:01,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:42:01,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:42:01,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:42:01,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:42:01,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:42:01,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:42:01,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:42:01,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:42:01,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:42:01,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:42:01,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:42:01,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:42:01,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:42:01,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:42:01,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:42:01,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:42:01,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:42:01,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:42:01,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:42:01,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:42:01,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:42:01,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:42:01,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:42:01,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:42:01,444 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 16:42:01,474 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:42:01,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:42:01,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:42:01,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:42:01,476 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:42:01,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:42:01,476 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:42:01,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:42:01,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:42:01,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:42:01,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:42:01,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:42:01,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:42:01,478 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:42:01,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:42:01,478 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:42:01,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:42:01,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:42:01,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:42:01,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:42:01,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:42:01,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:42:01,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:42:01,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:42:01,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:42:01,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:42:01,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:42:01,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:42:01,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:42:01,481 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;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;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;log-additional-information=true; [2020-09-24 16:42:02,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:42:02,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:42:02,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:42:02,777 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:42:02,778 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:42:02,780 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2020-09-24 16:42:02,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe9ee353e/7d1b65191a7a45f3bf4f5b115bc83ec4/FLAGad6de62da [2020-09-24 16:42:03,489 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:42:03,490 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2020-09-24 16:42:03,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe9ee353e/7d1b65191a7a45f3bf4f5b115bc83ec4/FLAGad6de62da [2020-09-24 16:42:03,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe9ee353e/7d1b65191a7a45f3bf4f5b115bc83ec4 [2020-09-24 16:42:03,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:42:03,774 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:42:03,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:42:03,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:42:03,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:42:03,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:42:03" (1/1) ... [2020-09-24 16:42:03,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:42:03, skipping insertion in model container [2020-09-24 16:42:03,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:42:03" (1/1) ... [2020-09-24 16:42:03,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:42:03,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:42:04,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:42:04,256 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:42:04,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:42:04,473 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:42:04,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:42:04 WrapperNode [2020-09-24 16:42:04,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:42:04,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:42:04,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:42:04,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:42:04,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:42:04" (1/1) ... [2020-09-24 16:42:04,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:42:04" (1/1) ... [2020-09-24 16:42:04,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:42:04" (1/1) ... [2020-09-24 16:42:04,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:42:04" (1/1) ... [2020-09-24 16:42:04,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:42:04" (1/1) ... [2020-09-24 16:42:04,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:42:04" (1/1) ... [2020-09-24 16:42:04,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:42:04" (1/1) ... [2020-09-24 16:42:04,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:42:04,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:42:04,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:42:04,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:42:04,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:42:04" (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 16:42:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:42:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:42:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 16:42:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 16:42:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 16:42:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 16:42:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 16:42:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 16:42:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 16:42:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 16:42:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 16:42:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 16:42:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 16:42:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 16:42:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 16:42:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 16:42:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 16:42:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 16:42:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 16:42:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 16:42:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 16:42:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 16:42:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 16:42:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 16:42:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 16:42:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 16:42:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 16:42:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 16:42:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 16:42:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:42:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 16:42:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 16:42:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 16:42:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 16:42:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 16:42:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 16:42:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:42:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:42:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 16:42:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 16:42:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 16:42:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 16:42:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 16:42:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 16:42:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 16:42:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 16:42:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 16:42:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 16:42:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 16:42:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 16:42:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 16:42:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 16:42:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 16:42:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 16:42:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 16:42:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 16:42:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 16:42:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 16:42:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 16:42:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 16:42:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 16:42:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 16:42:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 16:42:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 16:42:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 16:42:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 16:42:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:42:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 16:42:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 16:42:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 16:42:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 16:42:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 16:42:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 16:42:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 16:42:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 16:42:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 16:42:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:42:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 16:42:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 16:42:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 16:42:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 16:42:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 16:42:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 16:42:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:42:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 16:42:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:42:05,966 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:42:05,966 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 16:42:05,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:42:05 BoogieIcfgContainer [2020-09-24 16:42:05,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:42:05,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:42:05,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:42:05,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:42:05,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:42:03" (1/3) ... [2020-09-24 16:42:05,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3050e356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:42:05, skipping insertion in model container [2020-09-24 16:42:05,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:42:04" (2/3) ... [2020-09-24 16:42:05,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3050e356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:42:05, skipping insertion in model container [2020-09-24 16:42:05,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:42:05" (3/3) ... [2020-09-24 16:42:05,993 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2020-09-24 16:42:06,006 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:42:06,020 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:42:06,045 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:42:06,091 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:42:06,091 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:42:06,091 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:42:06,092 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:42:06,092 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:42:06,093 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:42:06,093 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:42:06,093 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:42:06,134 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states. [2020-09-24 16:42:06,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 16:42:06,160 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:42:06,162 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 16:42:06,162 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:42:06,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:42:06,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1840105278, now seen corresponding path program 1 times [2020-09-24 16:42:06,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:42:06,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1802820251] [2020-09-24 16:42:06,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:42:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:06,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:07,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:08,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:09,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:10,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:23,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:23,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 16:42:23,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 16:42:23,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17007 [2020-09-24 16:42:23,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:23,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 16:42:23,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 16:42:23,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-24 16:42:23,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 16:42:24,072 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 16:42:24,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:42:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:24,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:24,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:24,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 16:42:24,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:42:24,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-09-24 16:42:24,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:24,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:42:24,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:42:24,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 16:42:24,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 16:42:24,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 16:42:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:24,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:24,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:24,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:42:24,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:42:24,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:42:24,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:24,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:42:24,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:42:24,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:42:24,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:42:24,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 16:42:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:24,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:24,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:24,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:42:24,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:42:24,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 16:42:24,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:24,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:42:24,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:42:24,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:42:24,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:42:24,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 16:42:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:24,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:24,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:24,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:42:24,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:42:24,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 16:42:24,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:24,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:42:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:42:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:42:24,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:42:24,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 16:42:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:24,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:24,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:24,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:42:24,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:42:24,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 16:42:24,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:42:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:42:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:42:24,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:42:24,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 16:42:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:24,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:24,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:24,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:42:24,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:42:24,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:42:24,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:24,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:42:24,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:42:24,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:42:24,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 23 [2020-09-24 16:42:24,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 16:42:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:24,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:24,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:24,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:42:24,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:42:24,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:42:24,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:24,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:42:24,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:42:24,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:42:24,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:42:24,688 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 16:42:24,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1802820251] [2020-09-24 16:42:24,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:42:24,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:42:24,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302937699] [2020-09-24 16:42:24,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:42:24,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:42:24,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:42:24,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:42:24,723 INFO L87 Difference]: Start difference. First operand 270 states. Second operand 4 states. [2020-09-24 16:42:25,360 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:42:27,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:42:27,175 INFO L93 Difference]: Finished difference Result 544 states and 673 transitions. [2020-09-24 16:42:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 16:42:27,178 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-24 16:42:27,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:42:27,200 INFO L225 Difference]: With dead ends: 544 [2020-09-24 16:42:27,201 INFO L226 Difference]: Without dead ends: 385 [2020-09-24 16:42:27,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:42:27,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2020-09-24 16:42:27,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 322. [2020-09-24 16:42:27,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2020-09-24 16:42:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 361 transitions. [2020-09-24 16:42:27,341 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 361 transitions. Word has length 142 [2020-09-24 16:42:27,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:42:27,342 INFO L479 AbstractCegarLoop]: Abstraction has 322 states and 361 transitions. [2020-09-24 16:42:27,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:42:27,342 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 361 transitions. [2020-09-24 16:42:27,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-24 16:42:27,347 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:42:27,348 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] [2020-09-24 16:42:27,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:42:27,348 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:42:27,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:42:27,349 INFO L82 PathProgramCache]: Analyzing trace with hash -781267192, now seen corresponding path program 1 times [2020-09-24 16:42:27,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:42:27,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412819784] [2020-09-24 16:42:27,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:42:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:27,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:27,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:28,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:28,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:30,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:46,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:46,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-24 16:42:46,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 16:42:46,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18923 [2020-09-24 16:42:46,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:46,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 16:42:46,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-09-24 16:42:46,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-24 16:42:46,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:42:46,676 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 16:42:46,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:42:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:46,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:46,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:46,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 16:42:46,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:42:46,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-24 16:42:46,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:46,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:42:46,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:42:46,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:42:46,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:42:46,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 16:42:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:46,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:46,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:46,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:42:46,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:42:46,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:42:46,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:46,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:42:46,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:42:46,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:42:46,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:42:46,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 16:42:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:46,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:46,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:46,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:42:46,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:42:46,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:42:46,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:42:46,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:42:46,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:42:46,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:42:46,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 16:42:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:46,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:46,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:46,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:42:46,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:42:46,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:42:46,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:46,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:42:46,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:42:46,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:42:46,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:42:46,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 16:42:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:46,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:46,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:46,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:42:46,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:42:46,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:42:46,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:46,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:42:46,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:42:46,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:42:46,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:42:46,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-24 16:42:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:46,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:46,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:46,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:46,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:42:46,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 16:42:46,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:42:46,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:46,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:42:46,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:42:46,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 16:42:46,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:42:46,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:42:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:46,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:46,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:46,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:42:46,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:42:46,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:42:46,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:46,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:42:46,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:42:46,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:42:46,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:42:46,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 16:42:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:46,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:46,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:46,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:42:46,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:42:46,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:42:46,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:46,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:42:46,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:42:46,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:42:46,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:42:46,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 16:42:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:42:46,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:42:46,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:42:46,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:42:46,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:42:46,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:42:46,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:42:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:42:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:42:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:42:46,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:42:47,022 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 16:42:47,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1412819784] [2020-09-24 16:42:47,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:42:47,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 16:42:47,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485615167] [2020-09-24 16:42:47,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 16:42:47,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:42:47,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 16:42:47,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:42:47,027 INFO L87 Difference]: Start difference. First operand 322 states and 361 transitions. Second operand 9 states. [2020-09-24 16:42:47,569 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:42:48,933 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-24 16:42:49,557 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-09-24 16:42:49,880 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:42:50,180 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 16:42:50,466 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:42:50,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:42:50,655 INFO L93 Difference]: Finished difference Result 514 states and 605 transitions. [2020-09-24 16:42:50,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 16:42:50,662 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-09-24 16:42:50,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:42:50,664 INFO L225 Difference]: With dead ends: 514 [2020-09-24 16:42:50,664 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 16:42:50,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-24 16:42:50,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 16:42:50,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 16:42:50,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 16:42:50,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 16:42:50,669 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2020-09-24 16:42:50,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:42:50,669 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 16:42:50,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 16:42:50,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 16:42:50,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 16:42:50,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:42:50,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 16:42:50,880 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:42:51,039 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:42:51,191 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:42:51,345 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:42:51,499 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:42:51,660 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:42:51,813 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:42:51,959 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:42:52,113 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:42:52,258 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:42:52,404 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:42:52,553 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:42:52,704 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:42:52,856 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:42:53,001 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:42:53,318 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 16:42:53,633 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 16:42:53,782 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:42:53,939 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:42:54,253 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 16:42:54,397 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:42:54,546 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:42:54,691 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186