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_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:47:22,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:47:22,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:47:22,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:47:22,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:47:22,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:47:22,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:47:22,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:47:22,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:47:22,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:47:22,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:47:22,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:47:22,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:47:22,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:47:22,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:47:22,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:47:22,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:47:22,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:47:22,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:47:22,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:47:22,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:47:22,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:47:22,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:47:22,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:47:22,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:47:22,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:47:22,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:47:22,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:47:22,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:47:22,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:47:22,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:47:22,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:47:22,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:47:22,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:47:22,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:47:22,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:47:22,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:47:22,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:47:22,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:47:22,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:47:22,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:47:22,665 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 15:47:22,679 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:47:22,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:47:22,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:47:22,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:47:22,681 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:47:22,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:47:22,681 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:47:22,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:47:22,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:47:22,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:47:22,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:47:22,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:47:22,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:47:22,683 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:47:22,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:47:22,683 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:47:22,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:47:22,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:47:22,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:47:22,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:47:22,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:47:22,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:47:22,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:47:22,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:47:22,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:47:22,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:47:22,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:47:22,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:47:22,686 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 15:47:22,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:47:22,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:47:22,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:47:22,734 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:47:22,735 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:47:22,735 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product11.cil.c [2019-09-20 15:47:22,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ddb345c/4e91515dbe1f4b3ca2236a8f861a54bf/FLAGae1a204ce [2019-09-20 15:47:23,355 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:47:23,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product11.cil.c [2019-09-20 15:47:23,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ddb345c/4e91515dbe1f4b3ca2236a8f861a54bf/FLAGae1a204ce [2019-09-20 15:47:23,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ddb345c/4e91515dbe1f4b3ca2236a8f861a54bf [2019-09-20 15:47:23,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:47:23,666 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:47:23,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:47:23,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:47:23,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:47:23,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:47:23" (1/1) ... [2019-09-20 15:47:23,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c87071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:23, skipping insertion in model container [2019-09-20 15:47:23,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:47:23" (1/1) ... [2019-09-20 15:47:23,683 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:47:23,750 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:47:24,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:47:24,162 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:47:24,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:47:24,294 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:47:24,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:24 WrapperNode [2019-09-20 15:47:24,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:47:24,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:47:24,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:47:24,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:47:24,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:24" (1/1) ... [2019-09-20 15:47:24,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:24" (1/1) ... [2019-09-20 15:47:24,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:24" (1/1) ... [2019-09-20 15:47:24,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:24" (1/1) ... [2019-09-20 15:47:24,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:24" (1/1) ... [2019-09-20 15:47:24,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:24" (1/1) ... [2019-09-20 15:47:24,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:24" (1/1) ... [2019-09-20 15:47:24,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:47:24,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:47:24,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:47:24,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:47:24,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:24" (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 15:47:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:47:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:47:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:47:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:47:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:47:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:47:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:47:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:47:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:47:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:47:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:47:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:47:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:47:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:47:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 15:47:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:47:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:47:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:47:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:47:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:47:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:47:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:47:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:47:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:47:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:47:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:47:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:47:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:47:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:47:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:47:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:47:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:47:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:47:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:47:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:47:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:47:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:47:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:47:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:47:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:47:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:47:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:47:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:47:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:47:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:47:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:47:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:47:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:47:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:47:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:47:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:47:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:47:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:47:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:47:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:47:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:47:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:47:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:47:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:47:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:47:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:47:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:47:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 15:47:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:47:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:47:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:47:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:47:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:47:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:47:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:47:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:47:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:47:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:47:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:47:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:47:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:47:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:47:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:47:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:47:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:47:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:47:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:47:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:47:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:47:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:47:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:47:26,033 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:47:26,033 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:47:26,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:47:26 BoogieIcfgContainer [2019-09-20 15:47:26,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:47:26,036 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:47:26,036 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:47:26,036 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:47:26,038 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:47:26" (1/1) ... [2019-09-20 15:47:26,038 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 15:47:26,072 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:47:26,072 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:47:26,081 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:47:26,091 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:47:26,093 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:47:36,148 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:47:37,739 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:47:37,885 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:38,055 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:38,169 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:38,193 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:47:38,254 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:47:38,260 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:47:38,447 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:47:38,591 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:47:39,058 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-20 15:47:39,386 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-20 15:47:39,663 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-20 15:47:39,914 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-20 15:47:40,120 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-20 15:47:40,310 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-20 15:47:40,513 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-20 15:47:40,698 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-20 15:47:40,912 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-20 15:47:41,079 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-20 15:47:41,388 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:47:41,701 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:47:41,990 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:47:42,280 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:47:42,548 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:47:43,626 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 538 [2019-09-20 15:47:43,766 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:47:43,913 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 538 [2019-09-20 15:47:44,039 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:47:44,382 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 550 [2019-09-20 15:47:44,715 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 550 [2019-09-20 15:47:44,850 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 544 [2019-09-20 15:47:44,955 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 544 [2019-09-20 15:47:45,520 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 540 [2019-09-20 15:47:45,731 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 540 [2019-09-20 15:47:46,134 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 539 [2019-09-20 15:47:46,348 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 539 [2019-09-20 15:47:46,665 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 550 [2019-09-20 15:47:46,848 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 550 [2019-09-20 15:47:47,187 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2019-09-20 15:47:47,351 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:47:47,514 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2019-09-20 15:47:47,679 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:47:47,912 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 540 [2019-09-20 15:47:48,096 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 540 [2019-09-20 15:47:48,583 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 539 [2019-09-20 15:47:49,257 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 550 [2019-09-20 15:47:49,634 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 550 [2019-09-20 15:47:49,990 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2019-09-20 15:47:50,148 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:47:50,316 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2019-09-20 15:47:50,484 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:47:50,957 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 540 [2019-09-20 15:47:51,307 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 540 [2019-09-20 15:47:51,663 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 539 [2019-09-20 15:47:52,096 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 550 [2019-09-20 15:47:52,265 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 550 [2019-09-20 15:47:52,963 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 540 [2019-09-20 15:47:53,134 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 540 [2019-09-20 15:47:53,509 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 539 [2019-09-20 15:47:53,949 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 550 [2019-09-20 15:47:54,119 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 550 [2019-09-20 15:47:54,781 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 540 [2019-09-20 15:47:54,941 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 540 [2019-09-20 15:47:55,092 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 3 for LOIs [2019-09-20 15:47:55,137 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-20 15:47:55,152 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 12 for LOIs [2019-09-20 15:47:55,156 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 24 for LOIs [2019-09-20 15:47:55,158 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:47:55,159 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:47:55,162 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1186#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-20 15:47:55,183 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:47:55,183 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:47:55,185 INFO L168 Benchmark]: Toolchain (without parser) took 31518.91 ms. Allocated memory was 133.7 MB in the beginning and 936.9 MB in the end (delta: 803.2 MB). Free memory was 85.8 MB in the beginning and 856.4 MB in the end (delta: -770.7 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:47:55,187 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:47:55,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.64 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 85.6 MB in the beginning and 166.3 MB in the end (delta: -80.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:47:55,197 INFO L168 Benchmark]: Boogie Preprocessor took 104.06 ms. Allocated memory is still 199.8 MB. Free memory was 166.3 MB in the beginning and 162.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:47:55,201 INFO L168 Benchmark]: RCFGBuilder took 1635.69 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 162.6 MB in the beginning and 153.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:47:55,201 INFO L168 Benchmark]: Sifa took 29147.53 ms. Allocated memory was 222.3 MB in the beginning and 936.9 MB in the end (delta: 714.6 MB). Free memory was 153.1 MB in the beginning and 856.4 MB in the end (delta: -703.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:47:55,212 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 133.7 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 627.64 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 85.6 MB in the beginning and 166.3 MB in the end (delta: -80.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.06 ms. Allocated memory is still 199.8 MB. Free memory was 166.3 MB in the beginning and 162.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1635.69 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 162.6 MB in the beginning and 153.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. * Sifa took 29147.53 ms. Allocated memory was 222.3 MB in the beginning and 936.9 MB in the end (delta: 714.6 MB). Free memory was 153.1 MB in the beginning and 856.4 MB in the end (delta: -703.3 MB). Peak memory consumption was 11.3 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]: 29090, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 505, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 358, TOOLS_POST_TIME[ms]: 12067, TOOLS_POST_CALL_APPLICATIONS: 124, TOOLS_POST_CALL_TIME[ms]: 370, TOOLS_POST_RETURN_APPLICATIONS: 115, TOOLS_POST_RETURN_TIME[ms]: 214, TOOLS_QUANTIFIERELIM_APPLICATIONS: 597, TOOLS_QUANTIFIERELIM_TIME[ms]: 12393, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11734, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 518, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 183, DOMAIN_JOIN_TIME[ms]: 15372, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 77, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME[ms]: 54, DOMAIN_ISBOTTOM_APPLICATIONS: 139, DOMAIN_ISBOTTOM_TIME[ms]: 738, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11708, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11707, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 115, CALL_SUMMARIZER_CACHE_MISSES: 18, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12120, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12118, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 579, DAG_COMPRESSION_RETAINED_NODES: 219 - UnprovableResult [Line: 398]: 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 1186#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 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...