java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 05:32:54,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 05:32:54,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 05:32:54,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 05:32:54,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 05:32:54,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 05:32:54,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 05:32:54,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 05:32:54,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 05:32:54,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 05:32:54,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 05:32:54,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 05:32:54,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 05:32:54,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 05:32:54,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 05:32:54,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 05:32:54,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 05:32:54,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 05:32:54,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 05:32:54,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 05:32:54,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 05:32:54,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 05:32:54,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 05:32:54,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 05:32:54,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 05:32:54,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 05:32:54,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 05:32:54,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 05:32:54,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 05:32:54,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 05:32:54,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 05:32:54,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 05:32:54,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 05:32:54,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 05:32:54,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 05:32:54,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 05:32:54,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 05:32:54,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 05:32:54,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 05:32:54,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 05:32:54,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 05:32:54,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 05:32:54,880 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 05:32:54,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 05:32:54,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 05:32:54,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 05:32:54,882 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 05:32:54,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 05:32:54,882 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 05:32:54,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 05:32:54,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 05:32:54,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 05:32:54,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 05:32:54,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 05:32:54,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 05:32:54,884 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 05:32:54,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 05:32:54,884 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 05:32:54,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 05:32:54,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 05:32:54,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 05:32:54,885 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 05:32:54,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 05:32:54,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 05:32:54,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 05:32:54,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 05:32:54,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 05:32:54,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 05:32:54,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 05:32:54,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 05:32:54,887 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 05:32:54,924 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 05:32:54,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 05:32:54,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 05:32:54,942 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 05:32:54,944 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 05:32:54,945 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2019-09-18 05:32:55,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d864b6629/54b0cf5c24a443778872c4f54f447609/FLAGc639bc028 [2019-09-18 05:32:55,507 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 05:32:55,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2019-09-18 05:32:55,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d864b6629/54b0cf5c24a443778872c4f54f447609/FLAGc639bc028 [2019-09-18 05:32:55,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d864b6629/54b0cf5c24a443778872c4f54f447609 [2019-09-18 05:32:55,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 05:32:55,873 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 05:32:55,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 05:32:55,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 05:32:55,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 05:32:55,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 05:32:55" (1/1) ... [2019-09-18 05:32:55,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9c1821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:32:55, skipping insertion in model container [2019-09-18 05:32:55,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 05:32:55" (1/1) ... [2019-09-18 05:32:55,891 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 05:32:55,942 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 05:32:56,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 05:32:56,438 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 05:32:56,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 05:32:56,569 INFO L192 MainTranslator]: Completed translation [2019-09-18 05:32:56,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:32:56 WrapperNode [2019-09-18 05:32:56,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 05:32:56,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 05:32:56,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 05:32:56,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 05:32:56,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:32:56" (1/1) ... [2019-09-18 05:32:56,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:32:56" (1/1) ... [2019-09-18 05:32:56,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:32:56" (1/1) ... [2019-09-18 05:32:56,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:32:56" (1/1) ... [2019-09-18 05:32:56,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:32:56" (1/1) ... [2019-09-18 05:32:56,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:32:56" (1/1) ... [2019-09-18 05:32:56,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:32:56" (1/1) ... [2019-09-18 05:32:56,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 05:32:56,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 05:32:56,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 05:32:56,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 05:32:56,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:32:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-09-18 05:32:56,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 05:32:56,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 05:32:56,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 05:32:56,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 05:32:56,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 05:32:56,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 05:32:56,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 05:32:56,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 05:32:56,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 05:32:56,747 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 05:32:56,748 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 05:32:56,748 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 05:32:56,748 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 05:32:56,748 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 05:32:56,748 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 05:32:56,749 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 05:32:56,749 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 05:32:56,749 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 05:32:56,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 05:32:56,749 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 05:32:56,749 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 05:32:56,750 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 05:32:56,750 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 05:32:56,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 05:32:56,750 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 05:32:56,750 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 05:32:56,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 05:32:56,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 05:32:56,751 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 05:32:56,751 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 05:32:56,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 05:32:56,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 05:32:56,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 05:32:56,752 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 05:32:56,752 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 05:32:56,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 05:32:56,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 05:32:56,753 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 05:32:56,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 05:32:56,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 05:32:56,753 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 05:32:56,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-18 05:32:56,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-18 05:32:56,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-18 05:32:56,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 05:32:56,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 05:32:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 05:32:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 05:32:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 05:32:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 05:32:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 05:32:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 05:32:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 05:32:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 05:32:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 05:32:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 05:32:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 05:32:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 05:32:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 05:32:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 05:32:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 05:32:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 05:32:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 05:32:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 05:32:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 05:32:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 05:32:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 05:32:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 05:32:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 05:32:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 05:32:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 05:32:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-18 05:32:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 05:32:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 05:32:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 05:32:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 05:32:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 05:32:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 05:32:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 05:32:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 05:32:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 05:32:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 05:32:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 05:32:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 05:32:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 05:32:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 05:32:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 05:32:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 05:32:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 05:32:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 05:32:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-18 05:32:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-18 05:32:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 05:32:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 05:32:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 05:32:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 05:32:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 05:32:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 05:32:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 05:32:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 05:32:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 05:32:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 05:32:58,035 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 05:32:58,035 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 05:32:58,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 05:32:58 BoogieIcfgContainer [2019-09-18 05:32:58,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 05:32:58,038 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 05:32:58,038 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 05:32:58,038 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 05:32:58,040 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 05:32:58" (1/1) ... [2019-09-18 05:32:58,041 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 05:32:58,069 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 05:32:58,069 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 05:32:58,084 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 05:32:58,098 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 05:32:58,099 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 05:33:18,997 WARN L191 SmtUtils]: Spent 12.66 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 05:33:20,754 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 05:33:24,504 WARN L191 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-18 05:33:26,223 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 05:33:27,904 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 05:33:27,920 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-18 05:33:27,984 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-18 05:33:28,005 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-18 05:33:39,309 WARN L191 SmtUtils]: Spent 11.12 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 05:33:44,770 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 05:33:55,667 WARN L191 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 05:34:01,104 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 05:34:12,043 WARN L191 SmtUtils]: Spent 10.94 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 05:34:17,529 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 05:34:28,393 WARN L191 SmtUtils]: Spent 10.86 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 05:34:33,880 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 05:35:00,906 WARN L191 SmtUtils]: Spent 26.94 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-18 05:35:09,989 WARN L191 SmtUtils]: Spent 9.08 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 05:35:42,095 WARN L191 SmtUtils]: Spent 32.01 s on a formula simplification. DAG size of input: 484 DAG size of output: 481 [2019-09-18 05:35:58,071 WARN L191 SmtUtils]: Spent 15.98 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-18 05:36:25,338 WARN L191 SmtUtils]: Spent 27.22 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-18 05:36:34,402 WARN L191 SmtUtils]: Spent 9.06 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 05:36:50,571 WARN L191 SmtUtils]: Spent 16.16 s on a formula simplification that was a NOOP. DAG size: 486 [2019-09-18 05:36:51,983 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-18 05:36:52,151 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-09-18 05:36:52,424 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-18 05:36:52,532 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-18 05:36:52,756 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-18 05:36:52,864 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-18 05:36:52,972 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-18 05:36:53,159 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-18 05:36:53,308 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-18 05:37:20,979 WARN L191 SmtUtils]: Spent 27.19 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-18 05:37:30,024 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 05:38:02,241 WARN L191 SmtUtils]: Spent 32.15 s on a formula simplification. DAG size of input: 484 DAG size of output: 481 [2019-09-18 05:38:18,282 WARN L191 SmtUtils]: Spent 16.04 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-18 05:38:45,527 WARN L191 SmtUtils]: Spent 27.21 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-18 05:38:54,625 WARN L191 SmtUtils]: Spent 9.10 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 05:39:10,785 WARN L191 SmtUtils]: Spent 16.15 s on a formula simplification that was a NOOP. DAG size: 486 [2019-09-18 05:39:11,111 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-18 05:39:11,273 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-09-18 05:39:11,550 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-18 05:39:11,658 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-18 05:39:11,882 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-18 05:39:11,990 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-18 05:39:12,285 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-18 05:39:12,412 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-18 05:39:12,420 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 26 for LOIs [2019-09-18 05:39:12,961 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-18 05:39:13,172 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-18 05:39:13,392 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-18 05:39:13,597 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-18 05:39:13,863 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-18 05:39:13,944 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-18 05:39:14,144 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 25 for LOIs [2019-09-18 05:39:14,148 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 33 for LOIs [2019-09-18 05:39:14,201 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 05:39:14,201 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 05:39:14,204 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 596#(and (not (= 0 ~systemActive~0)) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-18 05:39:14,214 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 05:39:14,215 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 05:39:14,216 INFO L168 Benchmark]: Toolchain (without parser) took 378343.03 ms. Allocated memory was 140.0 MB in the beginning and 146.8 MB in the end (delta: 6.8 MB). Free memory was 86.7 MB in the beginning and 100.1 MB in the end (delta: -13.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 05:39:14,217 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 05:39:14,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.07 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 86.5 MB in the beginning and 164.8 MB in the end (delta: -78.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-09-18 05:39:14,219 INFO L168 Benchmark]: Boogie Preprocessor took 88.29 ms. Allocated memory is still 200.3 MB. Free memory was 164.8 MB in the beginning and 160.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-18 05:39:14,220 INFO L168 Benchmark]: RCFGBuilder took 1378.03 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 160.5 MB in the beginning and 187.5 MB in the end (delta: -27.0 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2019-09-18 05:39:14,221 INFO L168 Benchmark]: Sifa took 376176.86 ms. Allocated memory was 225.4 MB in the beginning and 146.8 MB in the end (delta: -78.6 MB). Free memory was 187.5 MB in the beginning and 100.1 MB in the end (delta: 87.4 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-09-18 05:39:14,225 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.07 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 86.5 MB in the beginning and 164.8 MB in the end (delta: -78.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.29 ms. Allocated memory is still 200.3 MB. Free memory was 164.8 MB in the beginning and 160.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1378.03 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 160.5 MB in the beginning and 187.5 MB in the end (delta: -27.0 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * Sifa took 376176.86 ms. Allocated memory was 225.4 MB in the beginning and 146.8 MB in the end (delta: -78.6 MB). Free memory was 187.5 MB in the beginning and 100.1 MB in the end (delta: 87.4 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 376135, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 308, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 219, TOOLS_POST_TIME[ms]: 26430, TOOLS_POST_CALL_APPLICATIONS: 75, TOOLS_POST_CALL_TIME[ms]: 183, TOOLS_POST_RETURN_APPLICATIONS: 66, TOOLS_POST_RETURN_TIME[ms]: 97, TOOLS_QUANTIFIERELIM_APPLICATIONS: 359, TOOLS_QUANTIFIERELIM_TIME[ms]: 26593, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 26314, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 315, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 98, DOMAIN_JOIN_TIME[ms]: 348141, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 766, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 50, DOMAIN_ISBOTTOM_TIME[ms]: 316, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5849, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5848, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 66, CALL_SUMMARIZER_CACHE_MISSES: 30, CALL_SUMMARIZER_OVERALL_TIME[ms]: 31217, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31217, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 50, DAG_COMPRESSION_PROCESSED_NODES: 565, DAG_COMPRESSION_RETAINED_NODES: 318 - UnprovableResult [Line: 551]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 596#(and (not (= 0 ~systemActive~0)) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...