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_spec2_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:49:57,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:49:57,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:49:57,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:49:57,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:49:57,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:49:57,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:49:57,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:49:57,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:49:57,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:49:57,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:49:57,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:49:57,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:49:57,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:49:57,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:49:57,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:49:57,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:49:57,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:49:57,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:49:57,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:49:57,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:49:57,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:49:57,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:49:57,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:49:57,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:49:57,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:49:57,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:49:57,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:49:57,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:49:57,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:49:57,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:49:57,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:49:57,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:49:57,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:49:57,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:49:57,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:49:57,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:49:57,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:49:57,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:49:57,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:49:57,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:49:57,376 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 15:49:57,390 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:49:57,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:49:57,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:49:57,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:49:57,392 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:49:57,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:49:57,392 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:49:57,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:49:57,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:49:57,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:49:57,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:49:57,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:49:57,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:49:57,394 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:49:57,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:49:57,394 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:49:57,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:49:57,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:49:57,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:49:57,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:49:57,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:49:57,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:49:57,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:49:57,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:49:57,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:49:57,396 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:49:57,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:49:57,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:49:57,397 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 15:49:57,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:49:57,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:49:57,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:49:57,444 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:49:57,444 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:49:57,445 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2019-09-20 15:49:57,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b6369f3f/2659f1903eeb4932abd25bc7167890b0/FLAGa2fc57b28 [2019-09-20 15:49:58,092 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:49:58,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2019-09-20 15:49:58,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b6369f3f/2659f1903eeb4932abd25bc7167890b0/FLAGa2fc57b28 [2019-09-20 15:49:58,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b6369f3f/2659f1903eeb4932abd25bc7167890b0 [2019-09-20 15:49:58,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:49:58,372 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:49:58,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:49:58,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:49:58,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:49:58,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:49:58" (1/1) ... [2019-09-20 15:49:58,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e4c7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:58, skipping insertion in model container [2019-09-20 15:49:58,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:49:58" (1/1) ... [2019-09-20 15:49:58,393 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:49:58,463 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:49:58,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:49:58,949 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:49:59,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:49:59,074 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:49:59,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:59 WrapperNode [2019-09-20 15:49:59,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:49:59,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:49:59,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:49:59,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:49:59,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:59" (1/1) ... [2019-09-20 15:49:59,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:59" (1/1) ... [2019-09-20 15:49:59,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:59" (1/1) ... [2019-09-20 15:49:59,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:59" (1/1) ... [2019-09-20 15:49:59,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:59" (1/1) ... [2019-09-20 15:49:59,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:59" (1/1) ... [2019-09-20 15:49:59,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:59" (1/1) ... [2019-09-20 15:49:59,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:49:59,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:49:59,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:49:59,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:49:59,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:59" (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 15:49:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:49:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:49:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:49:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:49:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:49:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:49:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:49:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:49:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:49:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:49:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:49:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:49:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:49:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:49:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:49:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:49:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:49:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:49:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:49:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:49:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:49:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:49:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:49:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:49:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:49:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:49:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:49:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:49:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:49:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:49:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:49:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:49:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:49:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:49:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:49:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:49:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:49:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:49:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:49:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:49:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:49:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:49:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:49:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:49:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:49:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:49:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:49:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:49:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:49:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:49:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:49:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:49:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:49:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:49:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:49:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:49:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:49:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:49:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:49:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:49:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:49:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:49:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:49:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:49:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:49:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:49:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:49:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:49:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:49:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:49:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:49:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:49:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:49:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:49:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:49:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:49:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:49:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:49:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:49:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:49:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:49:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:49:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:49:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:49:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:49:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:49:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:49:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:49:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:49:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:49:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:49:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:49:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:49:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:49:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:49:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:49:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:49:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:50:00,960 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:50:00,960 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:50:00,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:50:00 BoogieIcfgContainer [2019-09-20 15:50:00,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:50:00,963 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:50:00,963 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:50:00,963 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:50:00,964 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:50:00" (1/1) ... [2019-09-20 15:50:00,965 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 15:50:00,997 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:50:00,997 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:50:01,013 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:50:01,029 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:50:01,031 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:50:11,182 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:50:13,178 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:50:13,370 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:50:13,550 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:50:13,682 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:50:13,698 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:50:13,744 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:50:13,760 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:50:14,372 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:50:14,672 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:50:15,026 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:50:15,307 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:50:15,562 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:50:15,802 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:50:16,246 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:16,635 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:17,167 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-20 15:50:17,428 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-20 15:50:17,552 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-20 15:50:17,934 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-20 15:50:18,307 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-20 15:50:18,621 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:50:18,895 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:50:19,096 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:50:19,305 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:50:19,750 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-20 15:50:20,106 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-20 15:50:20,559 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-20 15:50:20,998 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:50:21,172 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:50:21,374 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:50:21,551 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:50:21,760 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:50:21,926 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:50:22,280 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:50:22,609 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:50:23,063 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2019-09-20 15:50:23,752 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 508 [2019-09-20 15:50:23,873 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2019-09-20 15:50:24,299 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 508 [2019-09-20 15:50:24,455 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2019-09-20 15:50:24,691 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 508 [2019-09-20 15:50:24,803 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2019-09-20 15:50:25,169 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 518 [2019-09-20 15:50:25,342 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:50:25,707 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 518 [2019-09-20 15:50:25,874 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:50:26,184 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-20 15:50:26,529 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-20 15:50:26,870 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 525 [2019-09-20 15:50:27,038 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:27,487 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-09-20 15:50:28,165 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-20 15:50:28,358 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-20 15:50:28,627 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-20 15:50:28,631 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 15:50:28,672 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:50:28,685 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 24 for LOIs [2019-09-20 15:50:28,690 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 35 for LOIs [2019-09-20 15:50:28,693 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:50:28,693 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:50:28,697 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1013#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-20 15:50:28,712 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:50:28,713 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:50:28,721 INFO L168 Benchmark]: Toolchain (without parser) took 30342.54 ms. Allocated memory was 138.4 MB in the beginning and 941.1 MB in the end (delta: 802.7 MB). Free memory was 84.0 MB in the beginning and 809.3 MB in the end (delta: -725.2 MB). Peak memory consumption was 77.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:28,723 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:50:28,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.39 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 83.8 MB in the beginning and 167.2 MB in the end (delta: -83.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:28,731 INFO L168 Benchmark]: Boogie Preprocessor took 96.64 ms. Allocated memory is still 199.8 MB. Free memory was 167.2 MB in the beginning and 162.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:28,732 INFO L168 Benchmark]: RCFGBuilder took 1789.27 ms. Allocated memory was 199.8 MB in the beginning and 220.7 MB in the end (delta: 21.0 MB). Free memory was 162.7 MB in the beginning and 145.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 95.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:28,737 INFO L168 Benchmark]: Sifa took 27750.15 ms. Allocated memory was 220.7 MB in the beginning and 941.1 MB in the end (delta: 720.4 MB). Free memory was 145.4 MB in the beginning and 809.3 MB in the end (delta: -663.8 MB). Peak memory consumption was 56.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:28,744 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 138.4 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.39 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 83.8 MB in the beginning and 167.2 MB in the end (delta: -83.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.64 ms. Allocated memory is still 199.8 MB. Free memory was 167.2 MB in the beginning and 162.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1789.27 ms. Allocated memory was 199.8 MB in the beginning and 220.7 MB in the end (delta: 21.0 MB). Free memory was 162.7 MB in the beginning and 145.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 95.9 MB. Max. memory is 7.1 GB. * Sifa took 27750.15 ms. Allocated memory was 220.7 MB in the beginning and 941.1 MB in the end (delta: 720.4 MB). Free memory was 145.4 MB in the beginning and 809.3 MB in the end (delta: -663.8 MB). Peak memory consumption was 56.5 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]: 27701, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 466, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 326, TOOLS_POST_TIME[ms]: 12428, TOOLS_POST_CALL_APPLICATIONS: 118, TOOLS_POST_CALL_TIME[ms]: 403, TOOLS_POST_RETURN_APPLICATIONS: 109, TOOLS_POST_RETURN_TIME[ms]: 196, TOOLS_QUANTIFIERELIM_APPLICATIONS: 553, TOOLS_QUANTIFIERELIM_TIME[ms]: 12814, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12231, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 481, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 190, DOMAIN_JOIN_TIME[ms]: 13761, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 259, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 101, DOMAIN_ISBOTTOM_TIME[ms]: 380, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9749, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9748, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 109, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12711, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12709, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 60, DAG_COMPRESSION_PROCESSED_NODES: 1280, DAG_COMPRESSION_RETAINED_NODES: 335 - UnprovableResult [Line: 44]: 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 1013#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~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...