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 SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:48:43,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:48:43,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:48:43,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:48:43,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:48:43,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:48:43,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:48:43,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:48:43,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:48:43,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:48:43,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:48:43,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:48:43,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:48:43,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:48:43,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:48:43,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:48:43,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:48:43,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:48:43,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:48:43,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:48:43,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:48:43,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:48:43,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:48:43,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:48:43,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:48:43,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:48:43,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:48:43,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:48:43,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:48:43,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:48:43,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:48:43,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:48:43,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:48:43,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:48:43,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:48:43,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:48:43,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:48:43,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:48:44,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:48:44,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:48:44,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:48:44,005 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 15:48:44,034 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:48:44,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:48:44,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:48:44,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:48:44,038 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:48:44,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:48:44,039 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:48:44,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:48:44,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:48:44,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:48:44,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:48:44,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:48:44,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:48:44,042 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:48:44,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:48:44,042 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:48:44,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:48:44,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:48:44,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:48:44,043 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:48:44,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:48:44,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:48:44,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:48:44,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:48:44,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:48:44,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:48:44,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:48:44,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:48:44,046 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 -> SIMPLIFY_QUICK [2019-09-20 15:48:44,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:48:44,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:48:44,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:48:44,113 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:48:44,114 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:48:44,114 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c [2019-09-20 15:48:44,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd72cd68e/9e39e644f83e43eda5cf316c41f6ce4c/FLAG7036f2f27 [2019-09-20 15:48:44,754 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:48:44,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c [2019-09-20 15:48:44,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd72cd68e/9e39e644f83e43eda5cf316c41f6ce4c/FLAG7036f2f27 [2019-09-20 15:48:44,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd72cd68e/9e39e644f83e43eda5cf316c41f6ce4c [2019-09-20 15:48:45,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:48:45,005 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:48:45,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:48:45,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:48:45,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:48:45,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:48:44" (1/1) ... [2019-09-20 15:48:45,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38efe2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:45, skipping insertion in model container [2019-09-20 15:48:45,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:48:44" (1/1) ... [2019-09-20 15:48:45,025 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:48:45,079 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:48:45,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:48:45,547 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:48:45,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:48:45,724 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:48:45,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:45 WrapperNode [2019-09-20 15:48:45,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:48:45,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:48:45,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:48:45,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:48:45,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:45" (1/1) ... [2019-09-20 15:48:45,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:45" (1/1) ... [2019-09-20 15:48:45,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:45" (1/1) ... [2019-09-20 15:48:45,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:45" (1/1) ... [2019-09-20 15:48:45,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:45" (1/1) ... [2019-09-20 15:48:45,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:45" (1/1) ... [2019-09-20 15:48:45,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:45" (1/1) ... [2019-09-20 15:48:45,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:48:45,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:48:45,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:48:45,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:48:45,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:45" (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 15:48:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:48:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:48:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:48:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:48:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:48:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:48:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:48:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:48:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:48:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:48:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:48:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:48:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:48:45,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:48:45,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:48:45,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:48:45,882 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:48:45,882 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:48:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:48:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:48:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:48:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:48:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:48:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:48:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:48:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:48:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:48:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:48:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:48:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:48:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:48:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:48:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:48:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:48:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:48:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:48:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:48:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:48:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:48:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:48:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:48:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:48:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:48:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:48:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:48:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:48:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:48:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:48:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:48:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:48:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:48:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:48:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:48:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:48:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:48:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:48:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:48:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:48:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:48:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:48:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:48:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:48:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:48:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:48:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:48:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:48:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:48:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:48:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:48:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:48:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:48:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:48:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:48:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:48:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:48:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:48:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:48:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:48:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:48:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:48:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:48:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:48:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:48:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:48:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:48:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:48:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:48:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:48:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:48:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:48:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:48:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:48:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:48:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:48:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:48:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:48:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:48:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:48:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:48:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:48:47,575 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:48:47,575 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:48:47,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:48:47 BoogieIcfgContainer [2019-09-20 15:48:47,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:48:47,577 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:48:47,577 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:48:47,578 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:48:47,579 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:48:47" (1/1) ... [2019-09-20 15:48:47,580 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:48:47,606 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:48:47,606 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:48:47,622 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:48:47,633 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:48:47,635 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:48:55,980 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:48:57,855 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:48:57,985 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:48:58,130 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:48:58,265 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:48:58,280 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:48:58,326 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:48:58,331 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:48:59,026 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:48:59,367 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:48:59,664 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:48:59,953 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:49:00,240 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:49:00,450 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:49:00,658 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:49:00,954 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:49:01,157 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:49:01,391 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:49:01,606 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:49:01,770 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:49:02,277 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:49:02,570 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:49:02,897 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-20 15:49:03,147 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-20 15:49:03,384 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-20 15:49:03,635 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-20 15:49:04,883 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:49:05,004 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:49:05,135 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:49:05,261 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:49:05,525 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-09-20 15:49:05,766 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-09-20 15:49:05,983 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-09-20 15:49:06,192 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-09-20 15:49:06,428 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:49:06,942 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 556 [2019-09-20 15:49:07,147 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-09-20 15:49:07,698 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-09-20 15:49:08,069 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-20 15:49:08,361 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:49:08,582 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:49:08,751 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:49:08,870 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:49:09,157 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-09-20 15:49:09,337 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-09-20 15:49:09,591 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-09-20 15:49:09,786 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-09-20 15:49:09,996 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:49:10,430 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-09-20 15:49:10,605 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-09-20 15:49:10,854 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-09-20 15:49:11,157 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-20 15:49:11,441 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-20 15:49:11,786 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:49:11,939 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:49:11,948 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 30 for LOIs [2019-09-20 15:49:12,019 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:49:12,033 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 17 for LOIs [2019-09-20 15:49:12,039 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 29 for LOIs [2019-09-20 15:49:12,041 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:49:12,041 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:49:12,043 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 851#(and (or (not (= 0 ~systemActive~0)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0))) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-20 15:49:12,057 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:49:12,057 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:49:12,063 INFO L168 Benchmark]: Toolchain (without parser) took 27053.56 ms. Allocated memory was 129.5 MB in the beginning and 997.7 MB in the end (delta: 868.2 MB). Free memory was 83.1 MB in the beginning and 547.8 MB in the end (delta: -464.8 MB). Peak memory consumption was 403.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:49:12,065 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 129.5 MB. Free memory was 102.4 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:49:12,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.65 ms. Allocated memory was 129.5 MB in the beginning and 198.2 MB in the end (delta: 68.7 MB). Free memory was 82.8 MB in the beginning and 161.5 MB in the end (delta: -78.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:49:12,072 INFO L168 Benchmark]: Boogie Preprocessor took 92.93 ms. Allocated memory is still 198.2 MB. Free memory was 161.5 MB in the beginning and 156.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:49:12,074 INFO L168 Benchmark]: RCFGBuilder took 1757.82 ms. Allocated memory was 198.2 MB in the beginning and 215.5 MB in the end (delta: 17.3 MB). Free memory was 156.9 MB in the beginning and 134.3 MB in the end (delta: 22.6 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:49:12,077 INFO L168 Benchmark]: Sifa took 24479.69 ms. Allocated memory was 215.5 MB in the beginning and 997.7 MB in the end (delta: 782.2 MB). Free memory was 134.3 MB in the beginning and 547.8 MB in the end (delta: -413.5 MB). Peak memory consumption was 368.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:49:12,084 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 129.5 MB. Free memory was 102.4 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 719.65 ms. Allocated memory was 129.5 MB in the beginning and 198.2 MB in the end (delta: 68.7 MB). Free memory was 82.8 MB in the beginning and 161.5 MB in the end (delta: -78.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.93 ms. Allocated memory is still 198.2 MB. Free memory was 161.5 MB in the beginning and 156.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1757.82 ms. Allocated memory was 198.2 MB in the beginning and 215.5 MB in the end (delta: 17.3 MB). Free memory was 156.9 MB in the beginning and 134.3 MB in the end (delta: 22.6 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. * Sifa took 24479.69 ms. Allocated memory was 215.5 MB in the beginning and 997.7 MB in the end (delta: 782.2 MB). Free memory was 134.3 MB in the beginning and 547.8 MB in the end (delta: -413.5 MB). Peak memory consumption was 368.7 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]: 24438, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 412, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 283, TOOLS_POST_TIME[ms]: 10473, TOOLS_POST_CALL_APPLICATIONS: 107, TOOLS_POST_CALL_TIME[ms]: 273, TOOLS_POST_RETURN_APPLICATIONS: 98, TOOLS_POST_RETURN_TIME[ms]: 163, TOOLS_QUANTIFIERELIM_APPLICATIONS: 488, TOOLS_QUANTIFIERELIM_TIME[ms]: 10724, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10238, FLUID_QUERY_TIME[ms]: 17, FLUID_QUERIES: 427, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 137, DOMAIN_JOIN_TIME[ms]: 12846, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 7, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 45, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME[ms]: 52, DOMAIN_ISBOTTOM_APPLICATIONS: 84, DOMAIN_ISBOTTOM_TIME[ms]: 363, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4068, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4067, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 98, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10705, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10704, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 52, DAG_COMPRESSION_PROCESSED_NODES: 810, DAG_COMPRESSION_RETAINED_NODES: 311 - UnprovableResult [Line: 381]: 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 851#(and (or (not (= 0 ~systemActive~0)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0))) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...