/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 17:40:53,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 17:40:53,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 17:40:53,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 17:40:53,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 17:40:53,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 17:40:53,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 17:40:53,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 17:40:53,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 17:40:53,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 17:40:53,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 17:40:53,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 17:40:53,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 17:40:53,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 17:40:53,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 17:40:53,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 17:40:53,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 17:40:53,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 17:40:53,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 17:40:53,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 17:40:53,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 17:40:53,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 17:40:53,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 17:40:53,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 17:40:53,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 17:40:53,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 17:40:53,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 17:40:53,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 17:40:53,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 17:40:53,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 17:40:53,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 17:40:53,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 17:40:53,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 17:40:53,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 17:40:53,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 17:40:53,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 17:40:53,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 17:40:53,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 17:40:53,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 17:40:53,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 17:40:53,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 17:40:53,647 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 [2020-08-18 17:40:53,689 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 17:40:53,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 17:40:53,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 17:40:53,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 17:40:53,691 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 17:40:53,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 17:40:53,692 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 17:40:53,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 17:40:53,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 17:40:53,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 17:40:53,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 17:40:53,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 17:40:53,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 17:40:53,694 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 17:40:53,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 17:40:53,695 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 17:40:53,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 17:40:53,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 17:40:53,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 17:40:53,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 17:40:53,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 17:40:53,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:40:53,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 17:40:53,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 17:40:53,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 17:40:53,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 17:40:53,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 17:40:53,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 17:40:53,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 17:40:53,698 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 17:40:53,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 17:40:53,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 17:40:53,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 17:40:53,999 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 17:40:53,999 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 17:40:54,000 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2020-08-18 17:40:54,065 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53d379459/66ef6b9097ad45a8a0cb665ce5371d84/FLAGb3ca293a9 [2020-08-18 17:40:54,502 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 17:40:54,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2020-08-18 17:40:54,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53d379459/66ef6b9097ad45a8a0cb665ce5371d84/FLAGb3ca293a9 [2020-08-18 17:40:54,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53d379459/66ef6b9097ad45a8a0cb665ce5371d84 [2020-08-18 17:40:54,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 17:40:54,817 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 17:40:54,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 17:40:54,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 17:40:54,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 17:40:54,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:40:54" (1/1) ... [2020-08-18 17:40:54,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7abdd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:54, skipping insertion in model container [2020-08-18 17:40:54,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:40:54" (1/1) ... [2020-08-18 17:40:54,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 17:40:54,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 17:40:55,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:40:55,265 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 17:40:55,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:40:55,471 INFO L208 MainTranslator]: Completed translation [2020-08-18 17:40:55,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:55 WrapperNode [2020-08-18 17:40:55,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 17:40:55,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 17:40:55,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 17:40:55,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 17:40:55,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:55" (1/1) ... [2020-08-18 17:40:55,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:55" (1/1) ... [2020-08-18 17:40:55,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:55" (1/1) ... [2020-08-18 17:40:55,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:55" (1/1) ... [2020-08-18 17:40:55,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:55" (1/1) ... [2020-08-18 17:40:55,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:55" (1/1) ... [2020-08-18 17:40:55,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:55" (1/1) ... [2020-08-18 17:40:55,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 17:40:55,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 17:40:55,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 17:40:55,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 17:40:55,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:55" (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 [2020-08-18 17:40:55,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 17:40:55,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 17:40:55,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 17:40:55,696 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 17:40:55,696 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 17:40:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-18 17:40:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 17:40:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 17:40:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 17:40:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 17:40:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 17:40:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 17:40:55,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 17:40:55,698 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 17:40:55,698 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 17:40:55,698 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 17:40:55,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 17:40:55,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 17:40:55,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 17:40:55,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 17:40:55,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 17:40:55,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 17:40:55,699 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 17:40:55,699 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 17:40:55,700 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 17:40:55,700 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 17:40:55,700 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 17:40:55,700 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 17:40:55,700 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 17:40:55,700 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 17:40:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 17:40:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-18 17:40:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-18 17:40:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 17:40:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 17:40:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 17:40:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 17:40:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 17:40:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 17:40:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 17:40:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 17:40:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 17:40:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 17:40:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 17:40:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 17:40:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 17:40:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 17:40:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 17:40:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 17:40:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 17:40:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 17:40:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 17:40:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 17:40:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 17:40:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 17:40:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-18 17:40:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 17:40:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 17:40:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 17:40:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-18 17:40:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 17:40:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 17:40:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 17:40:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 17:40:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 17:40:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 17:40:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 17:40:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 17:40:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 17:40:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 17:40:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 17:40:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 17:40:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 17:40:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 17:40:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 17:40:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 17:40:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 17:40:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 17:40:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 17:40:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 17:40:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 17:40:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 17:40:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 17:40:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 17:40:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 17:40:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 17:40:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 17:40:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 17:40:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-18 17:40:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 17:40:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 17:40:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 17:40:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 17:40:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 17:40:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 17:40:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 17:40:56,799 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 17:40:56,799 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 17:40:56,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:40:56 BoogieIcfgContainer [2020-08-18 17:40:56,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 17:40:56,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 17:40:56,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 17:40:56,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 17:40:56,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 05:40:54" (1/3) ... [2020-08-18 17:40:56,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eff80ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:40:56, skipping insertion in model container [2020-08-18 17:40:56,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:55" (2/3) ... [2020-08-18 17:40:56,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eff80ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:40:56, skipping insertion in model container [2020-08-18 17:40:56,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:40:56" (3/3) ... [2020-08-18 17:40:56,817 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2020-08-18 17:40:56,827 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 17:40:56,836 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 17:40:56,852 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 17:40:56,876 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 17:40:56,876 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 17:40:56,876 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 17:40:56,876 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 17:40:56,876 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 17:40:56,877 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 17:40:56,877 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 17:40:56,877 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 17:40:56,899 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-08-18 17:40:56,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 17:40:56,909 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:40:56,910 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] [2020-08-18 17:40:56,910 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:40:56,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:40:56,916 INFO L82 PathProgramCache]: Analyzing trace with hash -719135997, now seen corresponding path program 1 times [2020-08-18 17:40:56,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:40:56,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398634405] [2020-08-18 17:40:56,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:40:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,570 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:40:57,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:40:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:40:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:40:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:40:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:40:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 17:40:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 17:40:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 17:40:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:40:57,700 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398634405] [2020-08-18 17:40:57,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:40:57,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 17:40:57,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668774907] [2020-08-18 17:40:57,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 17:40:57,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:40:57,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 17:40:57,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 17:40:57,733 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 4 states. [2020-08-18 17:40:58,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:40:58,940 INFO L93 Difference]: Finished difference Result 303 states and 400 transitions. [2020-08-18 17:40:58,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 17:40:58,942 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 17:40:58,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:40:58,958 INFO L225 Difference]: With dead ends: 303 [2020-08-18 17:40:58,958 INFO L226 Difference]: Without dead ends: 170 [2020-08-18 17:40:58,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 17:40:58,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-08-18 17:40:59,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 134. [2020-08-18 17:40:59,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-08-18 17:40:59,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2020-08-18 17:40:59,069 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2020-08-18 17:40:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:40:59,070 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2020-08-18 17:40:59,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 17:40:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2020-08-18 17:40:59,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 17:40:59,075 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:40:59,075 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] [2020-08-18 17:40:59,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 17:40:59,076 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:40:59,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:40:59,076 INFO L82 PathProgramCache]: Analyzing trace with hash 892952181, now seen corresponding path program 1 times [2020-08-18 17:40:59,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:40:59,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636978214] [2020-08-18 17:40:59,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:40:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:59,384 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:40:59,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:40:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:59,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:40:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:59,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:40:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:59,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:40:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:59,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:40:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:59,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 17:40:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:59,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 17:40:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:59,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 17:40:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:59,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:40:59,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636978214] [2020-08-18 17:40:59,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:40:59,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 17:40:59,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717930581] [2020-08-18 17:40:59,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 17:40:59,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:40:59,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 17:40:59,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:40:59,469 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 5 states. [2020-08-18 17:40:59,877 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 17:41:00,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:41:00,859 INFO L93 Difference]: Finished difference Result 238 states and 299 transitions. [2020-08-18 17:41:00,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 17:41:00,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-18 17:41:00,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:41:00,870 INFO L225 Difference]: With dead ends: 238 [2020-08-18 17:41:00,872 INFO L226 Difference]: Without dead ends: 160 [2020-08-18 17:41:00,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 17:41:00,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-08-18 17:41:00,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 125. [2020-08-18 17:41:00,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-08-18 17:41:00,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2020-08-18 17:41:00,931 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2020-08-18 17:41:00,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:41:00,931 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2020-08-18 17:41:00,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 17:41:00,932 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2020-08-18 17:41:00,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 17:41:00,942 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:41:00,942 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] [2020-08-18 17:41:00,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 17:41:00,943 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:41:00,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:41:00,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1536291852, now seen corresponding path program 1 times [2020-08-18 17:41:00,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:41:00,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1625510933] [2020-08-18 17:41:00,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:41:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:01,316 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:41:01,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:41:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:01,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:41:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:01,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:41:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:01,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:41:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:01,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:41:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:01,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 17:41:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:01,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 17:41:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:01,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 17:41:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:01,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:41:01,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1625510933] [2020-08-18 17:41:01,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:41:01,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 17:41:01,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590653638] [2020-08-18 17:41:01,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 17:41:01,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:41:01,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 17:41:01,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 17:41:01,411 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 9 states. [2020-08-18 17:41:01,738 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 17:41:02,058 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:41:02,297 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:41:02,529 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:41:03,296 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 17:41:04,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:41:04,890 INFO L93 Difference]: Finished difference Result 427 states and 544 transitions. [2020-08-18 17:41:04,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 17:41:04,890 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-18 17:41:04,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:41:04,895 INFO L225 Difference]: With dead ends: 427 [2020-08-18 17:41:04,896 INFO L226 Difference]: Without dead ends: 330 [2020-08-18 17:41:04,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-18 17:41:04,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-08-18 17:41:04,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 261. [2020-08-18 17:41:04,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-08-18 17:41:04,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 320 transitions. [2020-08-18 17:41:04,970 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 320 transitions. Word has length 57 [2020-08-18 17:41:04,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:41:04,970 INFO L479 AbstractCegarLoop]: Abstraction has 261 states and 320 transitions. [2020-08-18 17:41:04,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 17:41:04,970 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 320 transitions. [2020-08-18 17:41:04,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-18 17:41:04,972 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:41:04,972 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] [2020-08-18 17:41:04,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 17:41:04,973 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:41:04,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:41:04,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1973415317, now seen corresponding path program 1 times [2020-08-18 17:41:04,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:41:04,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [377748533] [2020-08-18 17:41:04,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:41:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:05,379 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:41:05,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:41:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:05,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:41:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:05,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:41:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:05,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:41:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:05,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:41:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:05,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 17:41:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:05,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 17:41:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:05,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 17:41:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:05,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 17:41:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:05,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:41:05,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [377748533] [2020-08-18 17:41:05,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:41:05,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 17:41:05,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372878284] [2020-08-18 17:41:05,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 17:41:05,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:41:05,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 17:41:05,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 17:41:05,488 INFO L87 Difference]: Start difference. First operand 261 states and 320 transitions. Second operand 9 states. [2020-08-18 17:41:05,788 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 17:41:06,815 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:41:07,175 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 17:41:07,397 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:41:07,668 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:41:08,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:41:08,698 INFO L93 Difference]: Finished difference Result 840 states and 1128 transitions. [2020-08-18 17:41:08,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-18 17:41:08,699 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-18 17:41:08,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:41:08,705 INFO L225 Difference]: With dead ends: 840 [2020-08-18 17:41:08,705 INFO L226 Difference]: Without dead ends: 607 [2020-08-18 17:41:08,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-18 17:41:08,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-08-18 17:41:08,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 470. [2020-08-18 17:41:08,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-08-18 17:41:08,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 580 transitions. [2020-08-18 17:41:08,835 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 580 transitions. Word has length 62 [2020-08-18 17:41:08,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:41:08,836 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 580 transitions. [2020-08-18 17:41:08,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 17:41:08,836 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 580 transitions. [2020-08-18 17:41:08,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-18 17:41:08,838 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:41:08,838 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] [2020-08-18 17:41:08,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 17:41:08,839 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:41:08,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:41:08,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1216851897, now seen corresponding path program 1 times [2020-08-18 17:41:08,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:41:08,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328145224] [2020-08-18 17:41:08,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:41:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:09,151 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:41:09,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:41:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:09,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:41:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:09,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:41:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:09,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:41:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:09,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:41:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:09,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 17:41:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:09,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 17:41:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:09,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 17:41:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:09,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 17:41:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:09,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-18 17:41:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:09,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:41:09,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1328145224] [2020-08-18 17:41:09,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:41:09,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-18 17:41:09,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344047059] [2020-08-18 17:41:09,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 17:41:09,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:41:09,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 17:41:09,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-18 17:41:09,274 INFO L87 Difference]: Start difference. First operand 470 states and 580 transitions. Second operand 10 states. [2020-08-18 17:41:09,725 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 17:41:10,696 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:41:10,931 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:41:11,181 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:41:11,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:41:11,692 INFO L93 Difference]: Finished difference Result 891 states and 1209 transitions. [2020-08-18 17:41:11,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 17:41:11,693 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-18 17:41:11,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:41:11,694 INFO L225 Difference]: With dead ends: 891 [2020-08-18 17:41:11,694 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 17:41:11,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-18 17:41:11,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 17:41:11,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 17:41:11,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 17:41:11,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 17:41:11,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-18 17:41:11,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:41:11,699 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 17:41:11,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 17:41:11,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 17:41:11,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 17:41:11,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 17:41:11,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 17:41:15,615 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-18 17:41:15,975 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-18 17:41:16,132 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 17:41:16,321 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-18 17:41:16,625 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-18 17:41:16,955 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-08-18 17:41:17,113 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 17:41:17,306 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:41:17,641 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-18 17:41:17,787 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 17:41:18,093 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-18 17:41:18,438 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 17:41:18,779 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-18 17:41:19,112 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-18 17:41:19,433 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-18 17:41:19,589 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 17:41:19,744 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 17:41:19,910 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 17:41:20,064 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-18 17:41:20,359 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 17:41:20,531 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 17:41:20,694 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 17:41:20,885 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 17:41:21,049 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 17:41:21,347 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-18 17:41:21,657 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-18 17:41:21,950 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 17:41:21,955 INFO L268 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-08-18 17:41:21,955 INFO L268 CegarLoopResult]: For program point L408-1(lines 408 412) no Hoare annotation was computed. [2020-08-18 17:41:21,955 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-08-18 17:41:21,956 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 377 432) no Hoare annotation was computed. [2020-08-18 17:41:21,956 INFO L268 CegarLoopResult]: For program point L402-2(lines 402 423) no Hoare annotation was computed. [2020-08-18 17:41:21,956 INFO L268 CegarLoopResult]: For program point L424(lines 401 425) no Hoare annotation was computed. [2020-08-18 17:41:21,956 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 377 432) no Hoare annotation was computed. [2020-08-18 17:41:21,957 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 377 432) no Hoare annotation was computed. [2020-08-18 17:41:21,957 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-18 17:41:21,957 INFO L268 CegarLoopResult]: For program point L478-1(line 478) no Hoare annotation was computed. [2020-08-18 17:41:21,957 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 433 492) no Hoare annotation was computed. [2020-08-18 17:41:21,958 INFO L268 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2020-08-18 17:41:21,958 INFO L268 CegarLoopResult]: For program point L465-1(lines 465 469) no Hoare annotation was computed. [2020-08-18 17:41:21,958 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 433 492) no Hoare annotation was computed. [2020-08-18 17:41:21,958 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-18 17:41:21,958 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 433 492) no Hoare annotation was computed. [2020-08-18 17:41:21,958 INFO L268 CegarLoopResult]: For program point L459-2(lines 459 484) no Hoare annotation was computed. [2020-08-18 17:41:21,958 INFO L268 CegarLoopResult]: For program point L485(lines 458 486) no Hoare annotation was computed. [2020-08-18 17:41:21,959 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 712 718) the Hoare annotation is: true [2020-08-18 17:41:21,959 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 712 718) no Hoare annotation was computed. [2020-08-18 17:41:21,959 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 719 727) no Hoare annotation was computed. [2020-08-18 17:41:21,959 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 719 727) the Hoare annotation is: true [2020-08-18 17:41:21,959 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 719 727) no Hoare annotation was computed. [2020-08-18 17:41:21,959 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 803 825) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:21,959 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 803 825) no Hoare annotation was computed. [2020-08-18 17:41:21,960 INFO L264 CegarLoopResult]: At program point L815(line 815) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 17:41:21,960 INFO L264 CegarLoopResult]: At program point L815-1(line 815) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 17:41:21,960 INFO L268 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-08-18 17:41:21,960 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 803 825) no Hoare annotation was computed. [2020-08-18 17:41:21,960 INFO L268 CegarLoopResult]: For program point L813-1(lines 813 820) no Hoare annotation was computed. [2020-08-18 17:41:21,961 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-08-18 17:41:21,961 INFO L264 CegarLoopResult]: At program point L810(line 810) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:21,961 INFO L264 CegarLoopResult]: At program point L809(line 809) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:21,961 INFO L264 CegarLoopResult]: At program point L809-1(line 809) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:21,962 INFO L268 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-08-18 17:41:21,962 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-08-18 17:41:21,962 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 760 783) no Hoare annotation was computed. [2020-08-18 17:41:21,962 INFO L268 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-08-18 17:41:21,962 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-08-18 17:41:21,962 INFO L268 CegarLoopResult]: For program point L765(line 765) no Hoare annotation was computed. [2020-08-18 17:41:21,962 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 760 783) no Hoare annotation was computed. [2020-08-18 17:41:21,962 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 760 783) no Hoare annotation was computed. [2020-08-18 17:41:21,963 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-08-18 17:41:21,963 INFO L268 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2020-08-18 17:41:21,963 INFO L268 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-08-18 17:41:21,963 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-08-18 17:41:21,963 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-08-18 17:41:21,963 INFO L268 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2020-08-18 17:41:21,963 INFO L268 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-08-18 17:41:21,963 INFO L268 CegarLoopResult]: For program point L771(line 771) no Hoare annotation was computed. [2020-08-18 17:41:21,963 INFO L268 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-08-18 17:41:21,963 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 229 243) no Hoare annotation was computed. [2020-08-18 17:41:21,964 INFO L264 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 17:41:21,964 INFO L268 CegarLoopResult]: For program point L233(lines 233 239) no Hoare annotation was computed. [2020-08-18 17:41:21,964 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 229 243) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 17:41:21,964 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 229 243) no Hoare annotation was computed. [2020-08-18 17:41:21,964 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 165 173) no Hoare annotation was computed. [2020-08-18 17:41:21,964 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 165 173) the Hoare annotation is: true [2020-08-18 17:41:21,964 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 165 173) no Hoare annotation was computed. [2020-08-18 17:41:21,964 INFO L268 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-08-18 17:41:21,964 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 210 228) the Hoare annotation is: true [2020-08-18 17:41:21,965 INFO L271 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: true [2020-08-18 17:41:21,965 INFO L268 CegarLoopResult]: For program point L219-2(lines 219 223) no Hoare annotation was computed. [2020-08-18 17:41:21,965 INFO L268 CegarLoopResult]: For program point L217-1(line 217) no Hoare annotation was computed. [2020-08-18 17:41:21,965 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 210 228) no Hoare annotation was computed. [2020-08-18 17:41:21,965 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 210 228) no Hoare annotation was computed. [2020-08-18 17:41:21,965 INFO L268 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2020-08-18 17:41:21,965 INFO L268 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2020-08-18 17:41:21,965 INFO L268 CegarLoopResult]: For program point L181(lines 181 189) no Hoare annotation was computed. [2020-08-18 17:41:21,965 INFO L268 CegarLoopResult]: For program point L181-2(lines 181 189) no Hoare annotation was computed. [2020-08-18 17:41:21,966 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 174 209) no Hoare annotation was computed. [2020-08-18 17:41:21,966 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-08-18 17:41:21,966 INFO L268 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-08-18 17:41:21,966 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 174 209) no Hoare annotation was computed. [2020-08-18 17:41:21,966 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 174 209) no Hoare annotation was computed. [2020-08-18 17:41:21,966 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 705 711) no Hoare annotation was computed. [2020-08-18 17:41:21,966 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 705 711) the Hoare annotation is: true [2020-08-18 17:41:21,967 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 331 376) no Hoare annotation was computed. [2020-08-18 17:41:21,967 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 331 376) no Hoare annotation was computed. [2020-08-18 17:41:21,967 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 331 376) no Hoare annotation was computed. [2020-08-18 17:41:21,967 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 644 689) no Hoare annotation was computed. [2020-08-18 17:41:21,967 INFO L268 CegarLoopResult]: For program point L664(lines 664 671) no Hoare annotation was computed. [2020-08-18 17:41:21,967 INFO L268 CegarLoopResult]: For program point L658(lines 658 678) no Hoare annotation was computed. [2020-08-18 17:41:21,967 INFO L268 CegarLoopResult]: For program point L658-1(lines 658 678) no Hoare annotation was computed. [2020-08-18 17:41:21,968 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 644 689) no Hoare annotation was computed. [2020-08-18 17:41:21,968 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 644 689) no Hoare annotation was computed. [2020-08-18 17:41:21,968 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 792 802) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:21,968 INFO L264 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:21,968 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 792 802) no Hoare annotation was computed. [2020-08-18 17:41:21,968 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 792 802) no Hoare annotation was computed. [2020-08-18 17:41:21,968 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 154 164) the Hoare annotation is: true [2020-08-18 17:41:21,969 INFO L271 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: true [2020-08-18 17:41:21,969 INFO L268 CegarLoopResult]: For program point L159-1(line 159) no Hoare annotation was computed. [2020-08-18 17:41:21,969 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 154 164) no Hoare annotation was computed. [2020-08-18 17:41:21,969 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 154 164) no Hoare annotation was computed. [2020-08-18 17:41:21,969 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 146 153) the Hoare annotation is: true [2020-08-18 17:41:21,969 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 146 153) no Hoare annotation was computed. [2020-08-18 17:41:21,969 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 146 153) no Hoare annotation was computed. [2020-08-18 17:41:21,969 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:21,969 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:21,969 INFO L268 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2020-08-18 17:41:21,969 INFO L264 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:21,970 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 113 137) no Hoare annotation was computed. [2020-08-18 17:41:21,970 INFO L268 CegarLoopResult]: For program point L119-1(line 119) no Hoare annotation was computed. [2020-08-18 17:41:21,970 INFO L268 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2020-08-18 17:41:21,970 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 113 137) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:21,970 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:21,970 INFO L268 CegarLoopResult]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2020-08-18 17:41:21,970 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2020-08-18 17:41:21,970 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2020-08-18 17:41:21,970 INFO L264 CegarLoopResult]: At program point testENTRY(lines 256 323) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:21,970 INFO L264 CegarLoopResult]: At program point L316(lines 265 317) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:21,971 INFO L268 CegarLoopResult]: For program point testFINAL(lines 256 323) no Hoare annotation was computed. [2020-08-18 17:41:21,971 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:41:21,971 INFO L268 CegarLoopResult]: For program point L304(lines 304 310) no Hoare annotation was computed. [2020-08-18 17:41:21,971 INFO L264 CegarLoopResult]: At program point L304-1(lines 296 311) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:41:21,971 INFO L268 CegarLoopResult]: For program point L267(lines 266 315) no Hoare annotation was computed. [2020-08-18 17:41:21,971 INFO L264 CegarLoopResult]: At program point L298(line 298) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:41:21,971 INFO L268 CegarLoopResult]: For program point L296(lines 296 311) no Hoare annotation was computed. [2020-08-18 17:41:21,971 INFO L264 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:41:21,971 INFO L268 CegarLoopResult]: For program point L286(lines 286 292) no Hoare annotation was computed. [2020-08-18 17:41:21,972 INFO L268 CegarLoopResult]: For program point L286-1(lines 286 292) no Hoare annotation was computed. [2020-08-18 17:41:21,972 INFO L264 CegarLoopResult]: At program point L313(lines 266 315) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:41:21,972 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:41:21,972 INFO L268 CegarLoopResult]: For program point L276(lines 276 282) no Hoare annotation was computed. [2020-08-18 17:41:21,972 INFO L268 CegarLoopResult]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2020-08-18 17:41:21,972 INFO L268 CegarLoopResult]: For program point L268(lines 268 272) no Hoare annotation was computed. [2020-08-18 17:41:21,972 INFO L268 CegarLoopResult]: For program point testEXIT(lines 256 323) no Hoare annotation was computed. [2020-08-18 17:41:21,972 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 598 643) no Hoare annotation was computed. [2020-08-18 17:41:21,972 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 598 643) no Hoare annotation was computed. [2020-08-18 17:41:21,972 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 598 643) no Hoare annotation was computed. [2020-08-18 17:41:21,972 INFO L268 CegarLoopResult]: For program point L618(lines 618 625) no Hoare annotation was computed. [2020-08-18 17:41:21,972 INFO L268 CegarLoopResult]: For program point L612(lines 612 632) no Hoare annotation was computed. [2020-08-18 17:41:21,973 INFO L268 CegarLoopResult]: For program point L612-1(lines 612 632) no Hoare annotation was computed. [2020-08-18 17:41:21,973 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 956 964) no Hoare annotation was computed. [2020-08-18 17:41:21,973 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 956 964) the Hoare annotation is: true [2020-08-18 17:41:21,973 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 956 964) no Hoare annotation was computed. [2020-08-18 17:41:21,973 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 17:41:21,973 INFO L268 CegarLoopResult]: For program point L850(lines 850 856) no Hoare annotation was computed. [2020-08-18 17:41:21,973 INFO L268 CegarLoopResult]: For program point L849(lines 849 859) no Hoare annotation was computed. [2020-08-18 17:41:21,973 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 837 865) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 17:41:21,973 INFO L264 CegarLoopResult]: At program point L847(line 847) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-18 17:41:21,973 INFO L268 CegarLoopResult]: For program point L847-1(line 847) no Hoare annotation was computed. [2020-08-18 17:41:21,973 INFO L268 CegarLoopResult]: For program point L845(lines 845 862) no Hoare annotation was computed. [2020-08-18 17:41:21,973 INFO L268 CegarLoopResult]: For program point L845-1(lines 837 865) no Hoare annotation was computed. [2020-08-18 17:41:21,974 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 17:41:21,974 INFO L268 CegarLoopResult]: For program point L843-1(line 843) no Hoare annotation was computed. [2020-08-18 17:41:21,974 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 837 865) no Hoare annotation was computed. [2020-08-18 17:41:21,974 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 924 946) no Hoare annotation was computed. [2020-08-18 17:41:21,974 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 924 946) no Hoare annotation was computed. [2020-08-18 17:41:21,974 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 924 946) no Hoare annotation was computed. [2020-08-18 17:41:21,974 INFO L268 CegarLoopResult]: For program point L932(lines 932 940) no Hoare annotation was computed. [2020-08-18 17:41:21,974 INFO L268 CegarLoopResult]: For program point L932-2(lines 932 940) no Hoare annotation was computed. [2020-08-18 17:41:21,974 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 829 836) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 17:41:21,974 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 829 836) no Hoare annotation was computed. [2020-08-18 17:41:21,974 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 829 836) no Hoare annotation was computed. [2020-08-18 17:41:21,974 INFO L268 CegarLoopResult]: For program point L545(lines 544 564) no Hoare annotation was computed. [2020-08-18 17:41:21,975 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-08-18 17:41:21,975 INFO L268 CegarLoopResult]: For program point L576-1(line 576) no Hoare annotation was computed. [2020-08-18 17:41:21,975 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 495 597) no Hoare annotation was computed. [2020-08-18 17:41:21,975 INFO L268 CegarLoopResult]: For program point L541(lines 541 582) no Hoare annotation was computed. [2020-08-18 17:41:21,975 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-18 17:41:21,975 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-08-18 17:41:21,975 INFO L268 CegarLoopResult]: For program point L519(lines 519 523) no Hoare annotation was computed. [2020-08-18 17:41:21,975 INFO L268 CegarLoopResult]: For program point L583(lines 583 594) no Hoare annotation was computed. [2020-08-18 17:41:21,975 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 495 597) no Hoare annotation was computed. [2020-08-18 17:41:21,976 INFO L268 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2020-08-18 17:41:21,976 INFO L268 CegarLoopResult]: For program point L544-2(lines 544 564) no Hoare annotation was computed. [2020-08-18 17:41:21,976 INFO L268 CegarLoopResult]: For program point L565(lines 543 566) no Hoare annotation was computed. [2020-08-18 17:41:21,976 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 495 597) no Hoare annotation was computed. [2020-08-18 17:41:21,976 INFO L268 CegarLoopResult]: For program point L524(lines 524 540) no Hoare annotation was computed. [2020-08-18 17:41:21,976 INFO L268 CegarLoopResult]: For program point L584(lines 584 591) no Hoare annotation was computed. [2020-08-18 17:41:21,976 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 695 704) no Hoare annotation was computed. [2020-08-18 17:41:21,976 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 695 704) no Hoare annotation was computed. [2020-08-18 17:41:21,977 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 695 704) no Hoare annotation was computed. [2020-08-18 17:41:21,977 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:41:21,977 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 17:41:21,977 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:41:21,978 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 138 145) no Hoare annotation was computed. [2020-08-18 17:41:21,978 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 138 145) no Hoare annotation was computed. [2020-08-18 17:41:21,978 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 138 145) no Hoare annotation was computed. [2020-08-18 17:41:21,978 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 947 955) no Hoare annotation was computed. [2020-08-18 17:41:21,978 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 947 955) no Hoare annotation was computed. [2020-08-18 17:41:21,978 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 947 955) no Hoare annotation was computed. [2020-08-18 17:41:21,978 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 903 914) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 17:41:21,979 INFO L268 CegarLoopResult]: For program point L907-1(lines 903 914) no Hoare annotation was computed. [2020-08-18 17:41:21,979 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 903 914) no Hoare annotation was computed. [2020-08-18 17:41:21,979 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:41:21,979 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 17:41:21,979 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:41:21,979 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 915 923) the Hoare annotation is: true [2020-08-18 17:41:21,979 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 915 923) no Hoare annotation was computed. [2020-08-18 17:41:21,980 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 915 923) no Hoare annotation was computed. [2020-08-18 17:41:21,980 INFO L264 CegarLoopResult]: At program point L61(line 61) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 17:41:21,980 INFO L268 CegarLoopResult]: For program point L59(lines 58 77) no Hoare annotation was computed. [2020-08-18 17:41:21,980 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:21,980 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2020-08-18 17:41:21,980 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2020-08-18 17:41:21,981 INFO L264 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:21,981 INFO L264 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:21,981 INFO L271 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: true [2020-08-18 17:41:21,981 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 730 759) no Hoare annotation was computed. [2020-08-18 17:41:21,981 INFO L268 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-08-18 17:41:21,981 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 730 759) the Hoare annotation is: true [2020-08-18 17:41:21,981 INFO L271 CegarLoopResult]: At program point L755(lines 730 759) the Hoare annotation is: true [2020-08-18 17:41:21,982 INFO L268 CegarLoopResult]: For program point L751(line 751) no Hoare annotation was computed. [2020-08-18 17:41:21,982 INFO L268 CegarLoopResult]: For program point L744(lines 744 748) no Hoare annotation was computed. [2020-08-18 17:41:21,982 INFO L271 CegarLoopResult]: At program point L744-1(lines 744 748) the Hoare annotation is: true [2020-08-18 17:41:21,982 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-08-18 17:41:21,982 INFO L271 CegarLoopResult]: At program point L740-2(lines 740 754) the Hoare annotation is: true [2020-08-18 17:41:21,982 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 879 890) the Hoare annotation is: true [2020-08-18 17:41:21,982 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 879 890) no Hoare annotation was computed. [2020-08-18 17:41:21,983 INFO L268 CegarLoopResult]: For program point L883-1(lines 879 890) no Hoare annotation was computed. [2020-08-18 17:41:21,983 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 784 790) no Hoare annotation was computed. [2020-08-18 17:41:21,983 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 784 790) the Hoare annotation is: true [2020-08-18 17:41:21,983 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:41:21,983 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 17:41:21,983 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 17:41:21,983 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:41:21,984 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 244 251) no Hoare annotation was computed. [2020-08-18 17:41:21,984 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 244 251) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-18 17:41:21,984 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 244 251) no Hoare annotation was computed. [2020-08-18 17:41:21,984 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 891 902) no Hoare annotation was computed. [2020-08-18 17:41:21,984 INFO L268 CegarLoopResult]: For program point L895-1(lines 891 902) no Hoare annotation was computed. [2020-08-18 17:41:21,984 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 891 902) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 17:41:21,985 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 867 874) no Hoare annotation was computed. [2020-08-18 17:41:21,985 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2020-08-18 17:41:21,985 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 867 874) the Hoare annotation is: true [2020-08-18 17:41:21,985 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 867 874) no Hoare annotation was computed. [2020-08-18 17:41:21,985 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:21,985 INFO L268 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-08-18 17:41:21,986 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2020-08-18 17:41:21,986 INFO L264 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:21,986 INFO L268 CegarLoopResult]: For program point L93-1(line 93) no Hoare annotation was computed. [2020-08-18 17:41:21,986 INFO L268 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-08-18 17:41:21,986 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 87 111) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:21,986 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:21,986 INFO L268 CegarLoopResult]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2020-08-18 17:41:21,987 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:22,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 05:41:22 BoogieIcfgContainer [2020-08-18 17:41:22,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 17:41:22,011 INFO L168 Benchmark]: Toolchain (without parser) took 27194.35 ms. Allocated memory was 147.3 MB in the beginning and 652.7 MB in the end (delta: 505.4 MB). Free memory was 102.3 MB in the beginning and 85.3 MB in the end (delta: 17.0 MB). Peak memory consumption was 527.9 MB. Max. memory is 7.1 GB. [2020-08-18 17:41:22,012 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 17:41:22,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.52 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 102.0 MB in the beginning and 173.2 MB in the end (delta: -71.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2020-08-18 17:41:22,014 INFO L168 Benchmark]: Boogie Preprocessor took 127.03 ms. Allocated memory is still 203.9 MB. Free memory was 173.2 MB in the beginning and 169.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 17:41:22,015 INFO L168 Benchmark]: RCFGBuilder took 1207.84 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.2 MB in the beginning and 197.1 MB in the end (delta: -28.0 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2020-08-18 17:41:22,016 INFO L168 Benchmark]: TraceAbstraction took 25198.02 ms. Allocated memory was 236.5 MB in the beginning and 652.7 MB in the end (delta: 416.3 MB). Free memory was 197.1 MB in the beginning and 85.3 MB in the end (delta: 111.8 MB). Peak memory consumption was 533.6 MB. Max. memory is 7.1 GB. [2020-08-18 17:41:22,020 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.52 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 102.0 MB in the beginning and 173.2 MB in the end (delta: -71.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.03 ms. Allocated memory is still 203.9 MB. Free memory was 173.2 MB in the beginning and 169.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1207.84 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.2 MB in the beginning and 197.1 MB in the end (delta: -28.0 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25198.02 ms. Allocated memory was 236.5 MB in the beginning and 652.7 MB in the end (delta: 416.3 MB). Free memory was 197.1 MB in the beginning and 85.3 MB in the end (delta: 111.8 MB). Peak memory consumption was 533.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 871]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 239 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 568 SDtfs, 1374 SDslu, 594 SDs, 0 SdLazy, 2691 SolverSat, 1110 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 277 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 684 PreInvPairs, 811 NumberOfFragments, 851 HoareAnnotationTreeSize, 684 FomulaSimplifications, 327326 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 63 FomulaSimplificationsInter, 19409 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 84043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...