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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 12:44:27,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 12:44:27,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 12:44:27,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 12:44:27,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 12:44:27,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 12:44:27,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 12:44:27,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 12:44:27,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 12:44:27,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 12:44:27,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 12:44:27,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 12:44:27,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 12:44:27,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 12:44:27,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 12:44:27,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 12:44:27,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 12:44:27,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 12:44:27,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 12:44:27,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 12:44:27,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 12:44:27,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 12:44:27,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 12:44:27,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 12:44:27,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 12:44:27,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 12:44:27,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 12:44:27,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 12:44:27,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 12:44:27,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 12:44:27,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 12:44:27,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 12:44:27,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 12:44:27,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 12:44:27,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 12:44:27,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 12:44:27,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 12:44:27,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 12:44:27,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 12:44:27,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 12:44:27,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 12:44:27,475 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 [2019-10-04 12:44:27,508 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 12:44:27,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 12:44:27,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 12:44:27,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 12:44:27,513 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 12:44:27,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 12:44:27,514 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 12:44:27,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 12:44:27,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 12:44:27,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 12:44:27,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 12:44:27,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 12:44:27,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 12:44:27,515 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 12:44:27,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 12:44:27,516 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 12:44:27,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 12:44:27,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 12:44:27,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 12:44:27,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 12:44:27,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 12:44:27,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 12:44:27,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 12:44:27,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 12:44:27,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 12:44:27,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 12:44:27,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 12:44:27,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 12:44:27,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 12:44:27,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 12:44:27,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 12:44:27,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 12:44:27,591 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 12:44:27,591 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 12:44:27,592 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2019-10-04 12:44:27,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94bf7400c/977dba3664de4e2f87e8a6bee8863879/FLAG758b91d88 [2019-10-04 12:44:28,122 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 12:44:28,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2019-10-04 12:44:28,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94bf7400c/977dba3664de4e2f87e8a6bee8863879/FLAG758b91d88 [2019-10-04 12:44:28,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94bf7400c/977dba3664de4e2f87e8a6bee8863879 [2019-10-04 12:44:28,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 12:44:28,472 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 12:44:28,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 12:44:28,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 12:44:28,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 12:44:28,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:44:28" (1/1) ... [2019-10-04 12:44:28,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3bce88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:44:28, skipping insertion in model container [2019-10-04 12:44:28,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:44:28" (1/1) ... [2019-10-04 12:44:28,486 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 12:44:28,531 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 12:44:28,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:44:28,977 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 12:44:29,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:44:29,098 INFO L192 MainTranslator]: Completed translation [2019-10-04 12:44:29,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:44:29 WrapperNode [2019-10-04 12:44:29,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 12:44:29,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 12:44:29,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 12:44:29,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 12:44:29,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:44:29" (1/1) ... [2019-10-04 12:44:29,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:44:29" (1/1) ... [2019-10-04 12:44:29,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:44:29" (1/1) ... [2019-10-04 12:44:29,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:44:29" (1/1) ... [2019-10-04 12:44:29,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:44:29" (1/1) ... [2019-10-04 12:44:29,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:44:29" (1/1) ... [2019-10-04 12:44:29,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:44:29" (1/1) ... [2019-10-04 12:44:29,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 12:44:29,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 12:44:29,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 12:44:29,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 12:44:29,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:44:29" (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 [2019-10-04 12:44:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 12:44:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 12:44:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-04 12:44:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-04 12:44:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-04 12:44:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-04 12:44:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-04 12:44:29,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-04 12:44:29,241 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-04 12:44:29,241 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-04 12:44:29,241 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-04 12:44:29,241 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-04 12:44:29,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-04 12:44:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-04 12:44:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-04 12:44:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-04 12:44:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-04 12:44:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-04 12:44:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-04 12:44:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-04 12:44:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 12:44:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-04 12:44:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-04 12:44:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-04 12:44:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-04 12:44:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-04 12:44:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-04 12:44:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-04 12:44:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-04 12:44:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-04 12:44:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-04 12:44:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-04 12:44:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-04 12:44:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-04 12:44:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-04 12:44:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-04 12:44:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-04 12:44:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-04 12:44:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-04 12:44:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-04 12:44:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 12:44:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 12:44:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-04 12:44:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-04 12:44:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-04 12:44:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-04 12:44:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-04 12:44:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-04 12:44:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-04 12:44:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-04 12:44:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-04 12:44:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-04 12:44:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-04 12:44:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-04 12:44:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-04 12:44:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-04 12:44:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-04 12:44:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-04 12:44:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 12:44:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-04 12:44:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-04 12:44:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-04 12:44:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-04 12:44:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-04 12:44:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-04 12:44:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-04 12:44:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 12:44:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-04 12:44:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-04 12:44:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-04 12:44:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-04 12:44:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-04 12:44:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-04 12:44:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 12:44:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-04 12:44:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-04 12:44:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 12:44:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-04 12:44:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-04 12:44:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 12:44:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-04 12:44:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-04 12:44:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-04 12:44:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-04 12:44:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-04 12:44:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-04 12:44:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-04 12:44:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-04 12:44:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-04 12:44:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-04 12:44:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-04 12:44:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 12:44:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-04 12:44:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 12:44:30,734 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 12:44:30,734 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-04 12:44:30,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:44:30 BoogieIcfgContainer [2019-10-04 12:44:30,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 12:44:30,736 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 12:44:30,736 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 12:44:30,736 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 12:44:30,738 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:44:30" (1/1) ... [2019-10-04 12:44:30,738 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 12:44:30,764 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 12:44:30,764 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 12:44:30,776 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 12:44:30,787 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 12:44:30,789 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 12:44:40,264 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-04 12:44:41,996 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-04 12:44:42,123 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-04 12:44:42,286 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-04 12:44:42,407 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-04 12:44:42,693 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-04 12:44:42,712 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 550 for LOIs [2019-10-04 12:44:42,773 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-10-04 12:44:42,797 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 548 for LOIs [2019-10-04 12:44:43,108 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-04 12:44:43,294 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-04 12:44:43,927 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-04 12:44:44,427 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-04 12:44:44,827 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-04 12:44:45,244 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-04 12:44:45,631 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-04 12:44:46,008 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-04 12:44:46,346 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-04 12:44:46,933 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 184 [2019-10-04 12:44:47,225 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2019-10-04 12:44:47,674 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-10-04 12:44:47,914 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-04 12:44:48,172 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-04 12:44:48,311 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-04 12:44:48,433 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 178 [2019-10-04 12:44:49,499 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2019-10-04 12:44:50,057 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-10-04 12:44:51,133 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2019-10-04 12:44:51,520 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-04 12:44:51,664 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-04 12:44:51,890 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-04 12:44:52,361 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 188 [2019-10-04 12:44:52,526 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2019-10-04 12:44:52,829 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2019-10-04 12:44:53,126 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-04 12:44:53,440 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-04 12:44:53,697 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-10-04 12:44:54,686 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2019-10-04 12:45:10,037 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2019-10-04 12:45:18,176 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-04 12:45:18,177 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 141 for LOIs [2019-10-04 12:45:18,446 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 141 for LOIs [2019-10-04 12:45:18,452 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 152 for LOIs [2019-10-04 12:45:18,507 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 12:45:18,507 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 12:45:18,508 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2888#(and (not (= 0 ~methAndRunningLastTime~0)) (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= 0 |#NULL.base|) (= |#t~string35.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (<= |#t~string34.offset| 0) (<= 0 |#t~string46.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string45.offset|) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= 0 |#t~string10.offset|) (<= |#t~string64.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string36.offset|) (<= 0 |#t~string43.offset|) (<= |#t~string36.offset| 0) (= |#t~string8.offset| 0) (= |#t~string56.offset| 0) (<= |#t~string41.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string4.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methAndRunningLastTime~0 1) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (= |#NULL.offset| 0) (<= |#t~string4.offset| 0) (<= |#t~string8.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (<= 0 |#t~string70.offset|) (= |#t~string10.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string32.offset|) (= |#t~string12.offset| 0) (<= |#t~string70.offset| 0) (= |#t~string43.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string6.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string36.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string41.offset|) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= 0 |#t~string56.offset|) (= |#t~string44.offset| 0) (<= |#t~string42.offset| 0) (= |#t~string58.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string37.offset| 0) (<= |#t~string62.offset| 0) (<= |#t~string43.offset| 0) (<= 0 ~systemActive~0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= 0 |#t~string66.offset|) (= |#t~string60.offset| 0) (<= 0 |#t~string12.offset|) (= |#t~string41.offset| 0) (= |#t~string37.offset| 0) (= |#t~string6.offset| 0) (<= |#t~string12.offset| 0) (<= 0 |#t~string34.offset|) (= |#t~string45.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)) [2019-10-04 12:45:18,520 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 12:45:18,521 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 12:45:18,522 INFO L168 Benchmark]: Toolchain (without parser) took 50050.32 ms. Allocated memory was 130.0 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 84.6 MB in the beginning and 60.3 MB in the end (delta: 24.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-10-04 12:45:18,523 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 12:45:18,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.11 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 84.3 MB in the beginning and 162.7 MB in the end (delta: -78.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-10-04 12:45:18,525 INFO L168 Benchmark]: Boogie Preprocessor took 88.83 ms. Allocated memory is still 198.2 MB. Free memory was 162.7 MB in the beginning and 158.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-04 12:45:18,526 INFO L168 Benchmark]: RCFGBuilder took 1547.63 ms. Allocated memory was 198.2 MB in the beginning and 216.0 MB in the end (delta: 17.8 MB). Free memory was 158.1 MB in the beginning and 142.7 MB in the end (delta: 15.4 MB). Peak memory consumption was 96.0 MB. Max. memory is 7.1 GB. [2019-10-04 12:45:18,526 INFO L168 Benchmark]: Sifa took 47784.57 ms. Allocated memory was 216.0 MB in the beginning and 1.2 GB in the end (delta: 974.7 MB). Free memory was 142.7 MB in the beginning and 60.3 MB in the end (delta: 82.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-10-04 12:45:18,530 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 626.11 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 84.3 MB in the beginning and 162.7 MB in the end (delta: -78.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.83 ms. Allocated memory is still 198.2 MB. Free memory was 162.7 MB in the beginning and 158.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1547.63 ms. Allocated memory was 198.2 MB in the beginning and 216.0 MB in the end (delta: 17.8 MB). Free memory was 158.1 MB in the beginning and 142.7 MB in the end (delta: 15.4 MB). Peak memory consumption was 96.0 MB. Max. memory is 7.1 GB. * Sifa took 47784.57 ms. Allocated memory was 216.0 MB in the beginning and 1.2 GB in the end (delta: 974.7 MB). Free memory was 142.7 MB in the beginning and 60.3 MB in the end (delta: 82.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 47745, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 829, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 559, TOOLS_POST_TIME[ms]: 11576, TOOLS_POST_CALL_APPLICATIONS: 214, TOOLS_POST_CALL_TIME[ms]: 549, TOOLS_POST_RETURN_APPLICATIONS: 207, TOOLS_POST_RETURN_TIME[ms]: 289, TOOLS_QUANTIFIERELIM_APPLICATIONS: 979, TOOLS_QUANTIFIERELIM_TIME[ms]: 12096, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11236, FLUID_QUERY_TIME[ms]: 30, FLUID_QUERIES: 867, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 250, DOMAIN_JOIN_TIME[ms]: 31383, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 18, DOMAIN_WIDEN_TIME[ms]: 3098, DOMAIN_ISSUBSETEQ_APPLICATIONS: 38, DOMAIN_ISSUBSETEQ_TIME[ms]: 121, DOMAIN_ISBOTTOM_APPLICATIONS: 150, DOMAIN_ISBOTTOM_TIME[ms]: 478, LOOP_SUMMARIZER_APPLICATIONS: 20, LOOP_SUMMARIZER_CACHE_MISSES: 20, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 27985, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 27984, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 38, CALL_SUMMARIZER_APPLICATIONS: 207, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12019, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12017, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 53, DAG_COMPRESSION_PROCESSED_NODES: 649, DAG_COMPRESSION_RETAINED_NODES: 330 - UnprovableResult [Line: 685]: 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 2888#(and (not (= 0 ~methAndRunningLastTime~0)) (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= 0 |#NULL.base|) (= |#t~string35.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (<= |#t~string34.offset| 0) (<= 0 |#t~string46.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string45.offset|) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= 0 |#t~string10.offset|) (<= |#t~string64.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string36.offset|) (<= 0 |#t~string43.offset|) (<= |#t~string36.offset| 0) (= |#t~string8.offset| 0) (= |#t~string56.offset| 0) (<= |#t~string41.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string4.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methAndRunningLastTime~0 1) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (= |#NULL.offset| 0) (<= |#t~string4.offset| 0) (<= |#t~string8.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (<= 0 |#t~string70.offset|) (= |#t~string10.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string32.offset|) (= |#t~string12.offset| 0) (<= |#t~string70.offset| 0) (= |#t~string43.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string6.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string36.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string41.offset|) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= 0 |#t~string56.offset|) (= |#t~string44.offset| 0) (<= |#t~string42.offset| 0) (= |#t~string58.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string37.offset| 0) (<= |#t~string62.offset| 0) (<= |#t~string43.offset| 0) (<= 0 ~systemActive~0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= 0 |#t~string66.offset|) (= |#t~string60.offset| 0) (<= 0 |#t~string12.offset|) (= |#t~string41.offset| 0) (= |#t~string37.offset| 0) (= |#t~string6.offset| 0) (<= |#t~string12.offset| 0) (<= 0 |#t~string34.offset|) (= |#t~string45.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...