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-efa34d5 [2019-09-17 02:22:41,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:22:41,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:22:41,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:22:41,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:22:41,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:22:41,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:22:42,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:22:42,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:22:42,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:22:42,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:22:42,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:22:42,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:22:42,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:22:42,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:22:42,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:22:42,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:22:42,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:22:42,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:22:42,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:22:42,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:22:42,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:22:42,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:22:42,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:22:42,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 02:22:42,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 02:22:42,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 02:22:42,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 02:22:42,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 02:22:42,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 02:22:42,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 02:22:42,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 02:22:42,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 02:22:42,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 02:22:42,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 02:22:42,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 02:22:42,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 02:22:42,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 02:22:42,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:22:42,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:22:42,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:22:42,065 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 [2019-09-17 02:22:42,088 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:22:42,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:22:42,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:22:42,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:22:42,091 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:22:42,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:22:42,092 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:22:42,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:22:42,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:22:42,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:22:42,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:22:42,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:22:42,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:22:42,095 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:22:42,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:22:42,095 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:22:42,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:22:42,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:22:42,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:22:42,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:22:42,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:22:42,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:22:42,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:22:42,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:22:42,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:22:42,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:22:42,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:22:42,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:22:42,098 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 [2019-09-17 02:22:42,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:22:42,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:22:42,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:22:42,177 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:22:42,178 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:22:42,178 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2019-09-17 02:22:42,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1ecb97fd/f47ddc323a0f420cbbbca001fbd50041/FLAG788ff1e61 [2019-09-17 02:22:42,803 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:22:42,804 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2019-09-17 02:22:42,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1ecb97fd/f47ddc323a0f420cbbbca001fbd50041/FLAG788ff1e61 [2019-09-17 02:22:43,065 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1ecb97fd/f47ddc323a0f420cbbbca001fbd50041 [2019-09-17 02:22:43,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:22:43,080 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:22:43,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:22:43,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:22:43,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:22:43,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:22:43" (1/1) ... [2019-09-17 02:22:43,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614062fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:22:43, skipping insertion in model container [2019-09-17 02:22:43,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:22:43" (1/1) ... [2019-09-17 02:22:43,096 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:22:43,143 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:22:43,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:22:43,595 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:22:43,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:22:43,742 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:22:43,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:22:43 WrapperNode [2019-09-17 02:22:43,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:22:43,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:22:43,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:22:43,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:22:43,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:22:43" (1/1) ... [2019-09-17 02:22:43,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:22:43" (1/1) ... [2019-09-17 02:22:43,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:22:43" (1/1) ... [2019-09-17 02:22:43,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:22:43" (1/1) ... [2019-09-17 02:22:43,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:22:43" (1/1) ... [2019-09-17 02:22:43,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:22:43" (1/1) ... [2019-09-17 02:22:43,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:22:43" (1/1) ... [2019-09-17 02:22:43,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:22:43,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:22:43,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:22:43,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:22:43,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:22:43" (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 [2019-09-17 02:22:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:22:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:22:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 02:22:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 02:22:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 02:22:43,928 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 02:22:43,928 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 02:22:43,929 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 02:22:43,929 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 02:22:43,929 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 02:22:43,929 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 02:22:43,930 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 02:22:43,930 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 02:22:43,930 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 02:22:43,931 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 02:22:43,931 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 02:22:43,933 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 02:22:43,933 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 02:22:43,934 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 02:22:43,934 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 02:22:43,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 02:22:43,934 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 02:22:43,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 02:22:43,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-17 02:22:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-17 02:22:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 02:22:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 02:22:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 02:22:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 02:22:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 02:22:43,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 02:22:43,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 02:22:43,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 02:22:43,936 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 02:22:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 02:22:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 02:22:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:22:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:22:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 02:22:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 02:22:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 02:22:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 02:22:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 02:22:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 02:22:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 02:22:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 02:22:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 02:22:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 02:22:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 02:22:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 02:22:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 02:22:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 02:22:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 02:22:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 02:22:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 02:22:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 02:22:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 02:22:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-17 02:22:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 02:22:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 02:22:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 02:22:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 02:22:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 02:22:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 02:22:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-17 02:22:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 02:22:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 02:22:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 02:22:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 02:22:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 02:22:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 02:22:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 02:22:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 02:22:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 02:22:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 02:22:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 02:22:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 02:22:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 02:22:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 02:22:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 02:22:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 02:22:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 02:22:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 02:22:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 02:22:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:22:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:22:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 02:22:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:22:45,654 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:22:45,655 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 02:22:45,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:22:45 BoogieIcfgContainer [2019-09-17 02:22:45,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:22:45,657 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:22:45,657 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:22:45,658 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:22:45,659 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:22:45" (1/1) ... [2019-09-17 02:22:45,660 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 [2019-09-17 02:22:45,692 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:22:45,692 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:22:45,705 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:22:45,715 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:22:45,716 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:22:57,464 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 02:22:57,507 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-17 02:22:57,573 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-17 02:22:57,591 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-17 02:22:58,261 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 02:22:58,264 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-17 02:22:58,279 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 87 for LOIs [2019-09-17 02:22:58,301 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 98 for LOIs [2019-09-17 02:22:58,302 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 02:22:58,303 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 02:22:58,306 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))) [2019-09-17 02:22:58,323 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 02:22:58,323 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 02:22:58,326 INFO L168 Benchmark]: Toolchain (without parser) took 15245.02 ms. Allocated memory was 131.6 MB in the beginning and 271.1 MB in the end (delta: 139.5 MB). Free memory was 84.3 MB in the beginning and 77.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 146.7 MB. Max. memory is 7.1 GB. [2019-09-17 02:22:58,327 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 131.6 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 02:22:58,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.35 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 84.0 MB in the beginning and 165.2 MB in the end (delta: -81.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-09-17 02:22:58,331 INFO L168 Benchmark]: Boogie Preprocessor took 116.57 ms. Allocated memory is still 198.7 MB. Free memory was 165.2 MB in the beginning and 161.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-17 02:22:58,337 INFO L168 Benchmark]: RCFGBuilder took 1793.35 ms. Allocated memory was 198.7 MB in the beginning and 218.1 MB in the end (delta: 19.4 MB). Free memory was 161.4 MB in the beginning and 152.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 97.1 MB. Max. memory is 7.1 GB. [2019-09-17 02:22:58,338 INFO L168 Benchmark]: Sifa took 12666.61 ms. Allocated memory was 218.1 MB in the beginning and 271.1 MB in the end (delta: 53.0 MB). Free memory was 152.7 MB in the beginning and 77.0 MB in the end (delta: 75.8 MB). Peak memory consumption was 128.7 MB. Max. memory is 7.1 GB. [2019-09-17 02:22:58,352 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 131.6 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.35 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 84.0 MB in the beginning and 165.2 MB in the end (delta: -81.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.57 ms. Allocated memory is still 198.7 MB. Free memory was 165.2 MB in the beginning and 161.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1793.35 ms. Allocated memory was 198.7 MB in the beginning and 218.1 MB in the end (delta: 19.4 MB). Free memory was 161.4 MB in the beginning and 152.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 97.1 MB. Max. memory is 7.1 GB. * Sifa took 12666.61 ms. Allocated memory was 218.1 MB in the beginning and 271.1 MB in the end (delta: 53.0 MB). Free memory was 152.7 MB in the beginning and 77.0 MB in the end (delta: 75.8 MB). Peak memory consumption was 128.7 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]: 12614, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 191, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 126, TOOLS_POST_TIME[ms]: 11849, TOOLS_POST_CALL_APPLICATIONS: 53, TOOLS_POST_CALL_TIME[ms]: 192, TOOLS_POST_RETURN_APPLICATIONS: 46, TOOLS_POST_RETURN_TIME[ms]: 103, TOOLS_QUANTIFIERELIM_APPLICATIONS: 224, TOOLS_QUANTIFIERELIM_TIME[ms]: 12007, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11691, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 193, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 70, DOMAIN_JOIN_TIME[ms]: 63, 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]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 46, DOMAIN_ISBOTTOM_TIME[ms]: 226, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 186, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 186, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 46, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11773, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11772, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 39, 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...