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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:09:36,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:09:36,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:09:36,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:09:36,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:09:36,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:09:36,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:09:36,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:09:36,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:09:36,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:09:37,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:09:37,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:09:37,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:09:37,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:09:37,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:09:37,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:09:37,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:09:37,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:09:37,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:09:37,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:09:37,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:09:37,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:09:37,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:09:37,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:09:37,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:09:37,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:09:37,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:09:37,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:09:37,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:09:37,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:09:37,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:09:37,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:09:37,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:09:37,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:09:37,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:09:37,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:09:37,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:09:37,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:09:37,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:09:37,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:09:37,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:09:37,029 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 [2019-09-20 15:09:37,052 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:09:37,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:09:37,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:09:37,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:09:37,054 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:09:37,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:09:37,055 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:09:37,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:09:37,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:09:37,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:09:37,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:09:37,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:09:37,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:09:37,057 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:09:37,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:09:37,058 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:09:37,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:09:37,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:09:37,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:09:37,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:09:37,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:09:37,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:09:37,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:09:37,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:09:37,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:09:37,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:09:37,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:09:37,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:09:37,061 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 -> LoopFreeBlock 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 -> NONE [2019-09-20 15:09:37,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:09:37,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:09:37,139 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:09:37,141 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:09:37,141 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:09:37,142 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2019-09-20 15:09:37,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4d401991/164f6f9749714e3d8ceb7e6550421ef9/FLAG7b9d2db05 [2019-09-20 15:09:37,719 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:09:37,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2019-09-20 15:09:37,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4d401991/164f6f9749714e3d8ceb7e6550421ef9/FLAG7b9d2db05 [2019-09-20 15:09:38,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4d401991/164f6f9749714e3d8ceb7e6550421ef9 [2019-09-20 15:09:38,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:09:38,051 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:09:38,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:09:38,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:09:38,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:09:38,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:38" (1/1) ... [2019-09-20 15:09:38,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63939978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:38, skipping insertion in model container [2019-09-20 15:09:38,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:38" (1/1) ... [2019-09-20 15:09:38,067 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:09:38,121 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:09:38,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:09:38,574 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:09:38,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:09:38,709 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:09:38,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:38 WrapperNode [2019-09-20 15:09:38,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:09:38,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:09:38,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:09:38,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:09:38,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:38" (1/1) ... [2019-09-20 15:09:38,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:38" (1/1) ... [2019-09-20 15:09:38,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:38" (1/1) ... [2019-09-20 15:09:38,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:38" (1/1) ... [2019-09-20 15:09:38,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:38" (1/1) ... [2019-09-20 15:09:38,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:38" (1/1) ... [2019-09-20 15:09:38,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:38" (1/1) ... [2019-09-20 15:09:38,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:09:38,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:09:38,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:09:38,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:09:38,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:38" (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 [2019-09-20 15:09:38,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:09:38,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:09:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:09:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:09:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:09:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:09:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:09:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:09:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:09:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:09:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:09:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:09:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:09:38,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:09:38,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:09:38,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:09:38,884 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:09:38,884 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:09:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:09:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:09:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:09:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:09:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:09:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:09:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:09:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:09:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:09:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:09:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:09:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:09:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:09:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:09:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:09:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:09:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:09:38,888 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:09:38,888 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:09:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:09:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:09:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:09:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:09:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:09:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:09:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:09:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:09:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:09:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:09:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:09:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:09:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:09:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:09:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:09:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:09:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:09:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:09:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:09:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:09:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:09:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:09:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:09:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:09:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:09:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:09:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:09:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:09:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:09:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:09:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:09:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:09:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:09:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:09:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:09:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:09:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:09:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:09:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:09:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:09:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:09:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:09:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:09:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:09:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:09:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:09:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:09:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:09:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:09:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:09:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:09:40,369 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:09:40,369 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:09:40,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:40 BoogieIcfgContainer [2019-09-20 15:09:40,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:09:40,372 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:09:40,372 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:09:40,372 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:09:40,374 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:40" (1/1) ... [2019-09-20 15:09:40,375 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:09:40,403 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:09:40,404 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:09:40,416 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:09:40,429 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:09:40,430 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:09:52,045 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:09:52,071 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:09:52,113 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:09:52,127 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:09:52,693 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 15:09:52,695 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-20 15:09:52,707 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 87 for LOIs [2019-09-20 15:09:52,717 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 98 for LOIs [2019-09-20 15:09:52,718 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:09:52,718 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:09:52,721 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 436#(and (not (= 0 ~methAndRunningLastTime~0)) (or (and (or (and (= |#t~string26.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string58.offset| 0) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= ~pumpRunning~0 0) (= |#t~string53.offset| 0)) (and (= |#t~string26.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string58.offset| 0) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= |#t~string65.offset| 0) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0))) (= 0 ~systemActive~0)) (and (or (and (= |#t~string26.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string58.offset| 0) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= |#t~string65.offset| 0) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0)) (and (= |#t~string26.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string58.offset| 0) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0))) (not (= 0 ~systemActive~0)))) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-20 15:09:52,736 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:09:52,736 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:09:52,739 INFO L168 Benchmark]: Toolchain (without parser) took 14687.20 ms. Allocated memory was 132.6 MB in the beginning and 328.2 MB in the end (delta: 195.6 MB). Free memory was 88.0 MB in the beginning and 267.7 MB in the end (delta: -179.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:09:52,740 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:09:52,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.95 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.8 MB in the beginning and 164.4 MB in the end (delta: -76.6 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:09:52,744 INFO L168 Benchmark]: Boogie Preprocessor took 108.63 ms. Allocated memory is still 199.2 MB. Free memory was 164.4 MB in the beginning and 160.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:09:52,750 INFO L168 Benchmark]: RCFGBuilder took 1551.99 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 160.0 MB in the beginning and 150.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:09:52,751 INFO L168 Benchmark]: Sifa took 12364.31 ms. Allocated memory was 223.3 MB in the beginning and 328.2 MB in the end (delta: 104.9 MB). Free memory was 148.7 MB in the beginning and 267.7 MB in the end (delta: -119.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:09:52,756 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.95 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.8 MB in the beginning and 164.4 MB in the end (delta: -76.6 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.63 ms. Allocated memory is still 199.2 MB. Free memory was 164.4 MB in the beginning and 160.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1551.99 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 160.0 MB in the beginning and 150.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. * Sifa took 12364.31 ms. Allocated memory was 223.3 MB in the beginning and 328.2 MB in the end (delta: 104.9 MB). Free memory was 148.7 MB in the beginning and 267.7 MB in the end (delta: -119.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 12317, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 191, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 126, TOOLS_POST_TIME[ms]: 11664, TOOLS_POST_CALL_APPLICATIONS: 53, TOOLS_POST_CALL_TIME[ms]: 148, TOOLS_POST_RETURN_APPLICATIONS: 46, TOOLS_POST_RETURN_TIME[ms]: 92, TOOLS_QUANTIFIERELIM_APPLICATIONS: 224, TOOLS_QUANTIFIERELIM_TIME[ms]: 11775, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11550, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 193, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 70, DOMAIN_JOIN_TIME[ms]: 46, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 46, DOMAIN_ISBOTTOM_TIME[ms]: 207, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 187, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 187, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 46, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11617, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11616, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 485, DAG_COMPRESSION_RETAINED_NODES: 202 - UnprovableResult [Line: 790]: 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 436#(and (not (= 0 ~methAndRunningLastTime~0)) (or (and (or (and (= |#t~string26.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string58.offset| 0) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= ~pumpRunning~0 0) (= |#t~string53.offset| 0)) (and (= |#t~string26.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string58.offset| 0) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= |#t~string65.offset| 0) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0))) (= 0 ~systemActive~0)) (and (or (and (= |#t~string26.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string58.offset| 0) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= |#t~string65.offset| 0) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0)) (and (= |#t~string26.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string58.offset| 0) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0))) (not (= 0 ~systemActive~0)))) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...