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_spec5_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:54:47,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:54:47,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:54:47,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:54:47,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:54:47,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:54:47,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:54:47,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:54:47,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:54:47,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:54:47,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:54:47,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:54:47,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:54:47,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:54:47,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:54:47,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:54:47,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:54:47,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:54:47,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:54:47,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:54:47,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:54:47,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:54:47,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:54:47,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:54:47,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:54:47,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:54:47,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:54:47,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:54:47,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:54:47,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:54:47,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:54:47,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:54:47,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:54:47,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:54:47,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:54:47,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:54:47,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:54:47,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:54:47,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:54:47,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:54:47,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:54:47,560 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 [2019-10-14 02:54:47,587 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:54:47,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:54:47,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:54:47,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:54:47,589 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:54:47,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:54:47,589 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:54:47,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:54:47,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:54:47,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:54:47,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:54:47,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:54:47,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:54:47,591 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:54:47,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:54:47,591 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:54:47,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:54:47,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:54:47,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:54:47,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:54:47,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:54:47,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:54:47,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:54:47,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:54:47,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:54:47,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:54:47,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:54:47,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:54:47,594 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 [2019-10-14 02:54:47,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:54:47,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:54:47,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:54:47,886 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:54:47,886 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:54:47,889 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2019-10-14 02:54:47,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d3b94e51/5489457f742a4610b644ec0045793069/FLAGb0f008fce [2019-10-14 02:54:48,568 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:54:48,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2019-10-14 02:54:48,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d3b94e51/5489457f742a4610b644ec0045793069/FLAGb0f008fce [2019-10-14 02:54:48,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d3b94e51/5489457f742a4610b644ec0045793069 [2019-10-14 02:54:48,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:54:48,811 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:54:48,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:54:48,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:54:48,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:54:48,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:54:48" (1/1) ... [2019-10-14 02:54:48,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5843103d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:54:48, skipping insertion in model container [2019-10-14 02:54:48,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:54:48" (1/1) ... [2019-10-14 02:54:48,830 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:54:48,879 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:54:49,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:54:49,329 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:54:49,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:54:49,509 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:54:49,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:54:49 WrapperNode [2019-10-14 02:54:49,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:54:49,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:54:49,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:54:49,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:54:49,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:54:49" (1/1) ... [2019-10-14 02:54:49,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:54:49" (1/1) ... [2019-10-14 02:54:49,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:54:49" (1/1) ... [2019-10-14 02:54:49,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:54:49" (1/1) ... [2019-10-14 02:54:49,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:54:49" (1/1) ... [2019-10-14 02:54:49,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:54:49" (1/1) ... [2019-10-14 02:54:49,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:54:49" (1/1) ... [2019-10-14 02:54:49,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:54:49,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:54:49,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:54:49,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:54:49,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:54:49" (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 [2019-10-14 02:54:49,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:54:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:54:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 02:54:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 02:54:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 02:54:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 02:54:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 02:54:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 02:54:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:54:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-14 02:54:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-14 02:54:49,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-14 02:54:49,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 02:54:49,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 02:54:49,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 02:54:49,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 02:54:49,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 02:54:49,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 02:54:49,701 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 02:54:49,701 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 02:54:49,701 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 02:54:49,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 02:54:49,702 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 02:54:49,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 02:54:49,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-14 02:54:49,702 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 02:54:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 02:54:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-14 02:54:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 02:54:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 02:54:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 02:54:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 02:54:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 02:54:49,704 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 02:54:49,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-14 02:54:49,704 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-14 02:54:49,704 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 02:54:49,705 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 02:54:49,705 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 02:54:49,705 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 02:54:49,705 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 02:54:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:54:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 02:54:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 02:54:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 02:54:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 02:54:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 02:54:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 02:54:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 02:54:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 02:54:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 02:54:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 02:54:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-14 02:54:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 02:54:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 02:54:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 02:54:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 02:54:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 02:54:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:54:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 02:54:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 02:54:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-14 02:54:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-14 02:54:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 02:54:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 02:54:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 02:54:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 02:54:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 02:54:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 02:54:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 02:54:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 02:54:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 02:54:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 02:54:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 02:54:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 02:54:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 02:54:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 02:54:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 02:54:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 02:54:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 02:54:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 02:54:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 02:54:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 02:54:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-14 02:54:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 02:54:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 02:54:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-14 02:54:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 02:54:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 02:54:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-14 02:54:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-14 02:54:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 02:54:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 02:54:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:54:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 02:54:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:54:51,481 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:54:51,482 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 02:54:51,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:54:51 BoogieIcfgContainer [2019-10-14 02:54:51,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:54:51,485 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:54:51,485 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:54:51,485 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:54:51,487 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:54:51" (1/1) ... [2019-10-14 02:54:51,487 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 [2019-10-14 02:54:51,528 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:54:51,529 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:54:51,539 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:54:51,550 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:54:51,551 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:55:00,532 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-14 02:55:02,291 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-14 02:55:02,416 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-14 02:55:02,542 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-14 02:55:02,686 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-14 02:55:02,950 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-14 02:55:02,987 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 548 for LOIs [2019-10-14 02:55:03,061 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 546 for LOIs [2019-10-14 02:55:03,086 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 546 for LOIs [2019-10-14 02:55:03,380 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-14 02:55:03,593 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-14 02:55:04,206 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-14 02:55:04,729 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-14 02:55:05,134 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-14 02:55:05,780 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 189 [2019-10-14 02:55:06,556 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-14 02:55:07,112 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 02:55:11,149 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 02:55:11,347 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-10-14 02:55:11,999 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 02:55:12,087 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-14 02:55:12,091 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 144 for LOIs [2019-10-14 02:55:12,346 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 145 for LOIs [2019-10-14 02:55:12,355 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 155 for LOIs [2019-10-14 02:55:12,415 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 02:55:12,415 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 02:55:12,418 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 865#(and (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= 0 |#t~string35.offset|) (= |#t~string55.offset| 0) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string46.offset|) (<= 0 ~switchedOnBeforeTS~0) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string25.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 2147483647) (<= ~switchedOnBeforeTS~0 0) (<= 0 |#t~string44.offset|) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string53.offset| 0) (<= |#t~string40.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (= |#t~string26.offset| 0) (<= 0 |#t~string53.offset|) (= |#t~string42.offset| 0) (<= 0 |#t~string48.offset|) (= |#t~string57.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (not (= 2 ~waterLevel~0)) (<= |#t~string25.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string26.offset| 0) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (<= 0 |#t~string32.offset|) (<= ~waterLevel~0 2147483647) (<= |#t~string55.offset| 0) (<= 0 |#t~string59.offset|) (= |#t~string65.offset| 0) (<= |#NULL.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string36.offset| 0) (<= |#t~string35.offset| 0) (= |#t~string24.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (= |#t~string44.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= |#t~string32.offset| 0) (= |#t~string59.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= |#t~string48.offset| 0) (= |#t~string22.offset| 0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string55.offset|) (<= 0 |#t~string25.offset|) (<= 0 |#t~string24.offset|)) [2019-10-14 02:55:12,440 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 02:55:12,440 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 02:55:12,442 INFO L168 Benchmark]: Toolchain (without parser) took 23631.19 ms. Allocated memory was 138.9 MB in the beginning and 724.6 MB in the end (delta: 585.6 MB). Free memory was 103.0 MB in the beginning and 608.8 MB in the end (delta: -505.8 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2019-10-14 02:55:12,443 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-14 02:55:12,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.68 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.8 MB in the beginning and 169.6 MB in the end (delta: -66.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-10-14 02:55:12,445 INFO L168 Benchmark]: Boogie Preprocessor took 106.13 ms. Allocated memory is still 202.9 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-14 02:55:12,446 INFO L168 Benchmark]: RCFGBuilder took 1867.64 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 164.9 MB in the beginning and 146.4 MB in the end (delta: 18.6 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2019-10-14 02:55:12,447 INFO L168 Benchmark]: Sifa took 20955.74 ms. Allocated memory was 236.5 MB in the beginning and 724.6 MB in the end (delta: 488.1 MB). Free memory was 146.4 MB in the beginning and 608.8 MB in the end (delta: -462.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-10-14 02:55:12,454 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.68 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.8 MB in the beginning and 169.6 MB in the end (delta: -66.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.13 ms. Allocated memory is still 202.9 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1867.64 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 164.9 MB in the beginning and 146.4 MB in the end (delta: 18.6 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * Sifa took 20955.74 ms. Allocated memory was 236.5 MB in the beginning and 724.6 MB in the end (delta: 488.1 MB). Free memory was 146.4 MB in the beginning and 608.8 MB in the end (delta: -462.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 20890, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 255, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 165, TOOLS_POST_TIME[ms]: 10899, TOOLS_POST_CALL_APPLICATIONS: 76, TOOLS_POST_CALL_TIME[ms]: 287, TOOLS_POST_RETURN_APPLICATIONS: 69, TOOLS_POST_RETURN_TIME[ms]: 123, TOOLS_QUANTIFIERELIM_APPLICATIONS: 309, TOOLS_QUANTIFIERELIM_TIME[ms]: 11161, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10784, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 261, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 85, DOMAIN_JOIN_TIME[ms]: 8625, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 571, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 45, DOMAIN_ISBOTTOM_TIME[ms]: 186, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5941, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5940, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 69, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11622, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11620, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 41, DAG_COMPRESSION_PROCESSED_NODES: 428, DAG_COMPRESSION_RETAINED_NODES: 230 - 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 865#(and (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= 0 |#t~string35.offset|) (= |#t~string55.offset| 0) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string46.offset|) (<= 0 ~switchedOnBeforeTS~0) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string25.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 2147483647) (<= ~switchedOnBeforeTS~0 0) (<= 0 |#t~string44.offset|) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string53.offset| 0) (<= |#t~string40.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (= |#t~string26.offset| 0) (<= 0 |#t~string53.offset|) (= |#t~string42.offset| 0) (<= 0 |#t~string48.offset|) (= |#t~string57.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (not (= 2 ~waterLevel~0)) (<= |#t~string25.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string26.offset| 0) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (<= 0 |#t~string32.offset|) (<= ~waterLevel~0 2147483647) (<= |#t~string55.offset| 0) (<= 0 |#t~string59.offset|) (= |#t~string65.offset| 0) (<= |#NULL.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string36.offset| 0) (<= |#t~string35.offset| 0) (= |#t~string24.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (= |#t~string44.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= |#t~string32.offset| 0) (= |#t~string59.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= |#t~string48.offset| 0) (= |#t~string22.offset| 0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string55.offset|) (<= 0 |#t~string25.offset|) (<= 0 |#t~string24.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...