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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 03:46:34,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 03:46:34,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 03:46:34,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 03:46:34,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 03:46:34,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 03:46:34,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 03:46:34,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 03:46:34,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 03:46:34,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 03:46:34,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 03:46:34,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 03:46:34,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 03:46:34,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 03:46:34,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 03:46:34,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 03:46:34,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 03:46:34,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 03:46:34,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 03:46:34,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 03:46:34,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 03:46:34,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 03:46:34,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 03:46:34,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 03:46:34,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 03:46:34,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 03:46:34,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 03:46:34,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 03:46:34,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 03:46:34,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 03:46:34,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 03:46:34,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 03:46:34,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 03:46:34,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 03:46:34,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 03:46:34,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 03:46:34,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 03:46:34,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 03:46:34,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 03:46:34,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 03:46:34,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 03:46:34,672 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 [2019-09-18 03:46:34,693 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 03:46:34,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 03:46:34,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 03:46:34,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 03:46:34,696 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 03:46:34,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 03:46:34,696 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 03:46:34,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 03:46:34,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 03:46:34,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 03:46:34,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 03:46:34,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 03:46:34,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 03:46:34,699 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 03:46:34,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 03:46:34,699 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 03:46:34,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 03:46:34,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 03:46:34,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 03:46:34,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 03:46:34,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 03:46:34,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 03:46:34,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 03:46:34,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 03:46:34,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 03:46:34,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 03:46:34,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 03:46:34,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 03:46:34,702 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 -> SequenceOfStatements 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_DDA [2019-09-18 03:46:34,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 03:46:34,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 03:46:34,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 03:46:34,773 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 03:46:34,774 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 03:46:34,774 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2019-09-18 03:46:34,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c6eecbf/44a7b4ac86c048b2810d30360f2036ba/FLAG8f8f71e47 [2019-09-18 03:46:35,336 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 03:46:35,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2019-09-18 03:46:35,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c6eecbf/44a7b4ac86c048b2810d30360f2036ba/FLAG8f8f71e47 [2019-09-18 03:46:35,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c6eecbf/44a7b4ac86c048b2810d30360f2036ba [2019-09-18 03:46:35,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 03:46:35,613 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 03:46:35,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 03:46:35,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 03:46:35,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 03:46:35,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:46:35" (1/1) ... [2019-09-18 03:46:35,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b0a2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:46:35, skipping insertion in model container [2019-09-18 03:46:35,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:46:35" (1/1) ... [2019-09-18 03:46:35,632 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 03:46:35,680 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 03:46:36,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:46:36,173 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 03:46:36,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:46:36,295 INFO L192 MainTranslator]: Completed translation [2019-09-18 03:46:36,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:46:36 WrapperNode [2019-09-18 03:46:36,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 03:46:36,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 03:46:36,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 03:46:36,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 03:46:36,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:46:36" (1/1) ... [2019-09-18 03:46:36,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:46:36" (1/1) ... [2019-09-18 03:46:36,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:46:36" (1/1) ... [2019-09-18 03:46:36,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:46:36" (1/1) ... [2019-09-18 03:46:36,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:46:36" (1/1) ... [2019-09-18 03:46:36,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:46:36" (1/1) ... [2019-09-18 03:46:36,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:46:36" (1/1) ... [2019-09-18 03:46:36,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 03:46:36,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 03:46:36,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 03:46:36,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 03:46:36,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:46:36" (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 [2019-09-18 03:46:36,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 03:46:36,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 03:46:36,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 03:46:36,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 03:46:36,475 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 03:46:36,475 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 03:46:36,476 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 03:46:36,476 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 03:46:36,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-18 03:46:36,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 03:46:36,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 03:46:36,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 03:46:36,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 03:46:36,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 03:46:36,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 03:46:36,479 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 03:46:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 03:46:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 03:46:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 03:46:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 03:46:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 03:46:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 03:46:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 03:46:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-18 03:46:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 03:46:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 03:46:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 03:46:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 03:46:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 03:46:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 03:46:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 03:46:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 03:46:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 03:46:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 03:46:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 03:46:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 03:46:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 03:46:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 03:46:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 03:46:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 03:46:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 03:46:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 03:46:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 03:46:36,487 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 03:46:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 03:46:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 03:46:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 03:46:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 03:46:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 03:46:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 03:46:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 03:46:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 03:46:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 03:46:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 03:46:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-18 03:46:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 03:46:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 03:46:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 03:46:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 03:46:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 03:46:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 03:46:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 03:46:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 03:46:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 03:46:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 03:46:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 03:46:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 03:46:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 03:46:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 03:46:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 03:46:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 03:46:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 03:46:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 03:46:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 03:46:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 03:46:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 03:46:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 03:46:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 03:46:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 03:46:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 03:46:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 03:46:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 03:46:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 03:46:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 03:46:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 03:46:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 03:46:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 03:46:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 03:46:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 03:46:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 03:46:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 03:46:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 03:46:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 03:46:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 03:46:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 03:46:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-18 03:46:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 03:46:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 03:46:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 03:46:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 03:46:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 03:46:36,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 03:46:37,638 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 03:46:37,639 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 03:46:37,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:46:37 BoogieIcfgContainer [2019-09-18 03:46:37,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 03:46:37,642 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 03:46:37,642 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 03:46:37,642 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 03:46:37,643 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:46:37" (1/1) ... [2019-09-18 03:46:37,644 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 03:46:37,674 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 03:46:37,675 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 03:46:37,684 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 03:46:37,693 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 03:46:37,695 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 03:46:58,065 WARN L191 SmtUtils]: Spent 12.32 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 03:46:59,640 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 03:47:03,541 WARN L191 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 03:47:05,252 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 03:47:06,938 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 03:47:06,954 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 03:47:07,039 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 03:47:07,045 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 03:47:18,184 WARN L191 SmtUtils]: Spent 10.94 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 03:47:23,569 WARN L191 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 03:47:34,340 WARN L191 SmtUtils]: Spent 10.77 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 03:47:39,735 WARN L191 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 03:47:50,476 WARN L191 SmtUtils]: Spent 10.74 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 03:47:55,831 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 03:48:06,602 WARN L191 SmtUtils]: Spent 10.77 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 03:48:11,930 WARN L191 SmtUtils]: Spent 5.33 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 03:48:38,613 WARN L191 SmtUtils]: Spent 26.61 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-18 03:48:47,578 WARN L191 SmtUtils]: Spent 8.96 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 03:49:19,365 WARN L191 SmtUtils]: Spent 31.65 s on a formula simplification. DAG size of input: 481 DAG size of output: 481 [2019-09-18 03:49:35,200 WARN L191 SmtUtils]: Spent 15.83 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-18 03:50:21,109 WARN L191 SmtUtils]: Spent 45.91 s on a formula simplification. DAG size of input: 492 DAG size of output: 492 [2019-09-18 03:50:24,682 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 466 DAG size of output: 31 [2019-09-18 03:50:24,912 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 03:50:25,222 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 03:50:52,760 WARN L191 SmtUtils]: Spent 27.05 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-18 03:51:01,718 WARN L191 SmtUtils]: Spent 8.96 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 03:51:33,668 WARN L191 SmtUtils]: Spent 31.85 s on a formula simplification. DAG size of input: 481 DAG size of output: 481 [2019-09-18 03:51:49,546 WARN L191 SmtUtils]: Spent 15.88 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-18 03:52:35,465 WARN L191 SmtUtils]: Spent 45.92 s on a formula simplification. DAG size of input: 492 DAG size of output: 492 [2019-09-18 03:52:38,044 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 466 DAG size of output: 31 [2019-09-18 03:52:38,292 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 03:52:38,592 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 03:52:39,155 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-18 03:52:39,422 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-18 03:52:39,782 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-18 03:52:40,255 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-18 03:52:40,613 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-18 03:53:07,626 WARN L191 SmtUtils]: Spent 26.89 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-18 03:53:16,647 WARN L191 SmtUtils]: Spent 9.02 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 03:53:48,612 WARN L191 SmtUtils]: Spent 31.88 s on a formula simplification. DAG size of input: 481 DAG size of output: 481 [2019-09-18 03:54:04,520 WARN L191 SmtUtils]: Spent 15.91 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-18 03:54:50,626 WARN L191 SmtUtils]: Spent 46.10 s on a formula simplification. DAG size of input: 492 DAG size of output: 492 [2019-09-18 03:54:53,235 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 466 DAG size of output: 31 [2019-09-18 03:54:53,482 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 03:54:53,785 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 03:55:21,442 WARN L191 SmtUtils]: Spent 27.26 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-18 03:55:30,425 WARN L191 SmtUtils]: Spent 8.98 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 03:56:03,225 WARN L191 SmtUtils]: Spent 32.70 s on a formula simplification. DAG size of input: 481 DAG size of output: 481 [2019-09-18 03:56:19,511 WARN L191 SmtUtils]: Spent 16.29 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-18 03:57:05,711 WARN L191 SmtUtils]: Spent 46.20 s on a formula simplification. DAG size of input: 492 DAG size of output: 492 [2019-09-18 03:57:08,357 WARN L191 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 466 DAG size of output: 31 [2019-09-18 03:57:08,617 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 03:57:08,916 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 03:57:09,484 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 03:57:09,781 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 03:57:09,789 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-18 03:57:09,791 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 03:57:09,883 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-18 03:57:09,887 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-18 03:57:09,909 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 03:57:09,909 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 03:57:09,911 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 735#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-18 03:57:09,922 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 03:57:09,922 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 03:57:09,924 INFO L168 Benchmark]: Toolchain (without parser) took 634311.04 ms. Allocated memory was 138.4 MB in the beginning and 134.2 MB in the end (delta: -4.2 MB). Free memory was 85.2 MB in the beginning and 74.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2019-09-18 03:57:09,925 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 03:57:09,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.17 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 84.9 MB in the beginning and 165.0 MB in the end (delta: -80.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2019-09-18 03:57:09,926 INFO L168 Benchmark]: Boogie Preprocessor took 96.62 ms. Allocated memory is still 199.8 MB. Free memory was 165.0 MB in the beginning and 161.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-18 03:57:09,927 INFO L168 Benchmark]: RCFGBuilder took 1247.68 ms. Allocated memory was 199.8 MB in the beginning and 221.2 MB in the end (delta: 21.5 MB). Free memory was 161.1 MB in the beginning and 188.7 MB in the end (delta: -27.6 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. [2019-09-18 03:57:09,928 INFO L168 Benchmark]: Sifa took 632280.53 ms. Allocated memory was 221.2 MB in the beginning and 134.2 MB in the end (delta: -87.0 MB). Free memory was 188.7 MB in the beginning and 74.5 MB in the end (delta: 114.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-18 03:57:09,931 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 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.17 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 84.9 MB in the beginning and 165.0 MB in the end (delta: -80.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.62 ms. Allocated memory is still 199.8 MB. Free memory was 165.0 MB in the beginning and 161.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1247.68 ms. Allocated memory was 199.8 MB in the beginning and 221.2 MB in the end (delta: 21.5 MB). Free memory was 161.1 MB in the beginning and 188.7 MB in the end (delta: -27.6 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. * Sifa took 632280.53 ms. Allocated memory was 221.2 MB in the beginning and 134.2 MB in the end (delta: -87.0 MB). Free memory was 188.7 MB in the beginning and 74.5 MB in the end (delta: 114.2 MB). Peak memory consumption was 27.2 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]: 632237, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 384, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 260, TOOLS_POST_TIME[ms]: 25919, TOOLS_POST_CALL_APPLICATIONS: 99, TOOLS_POST_CALL_TIME[ms]: 231, TOOLS_POST_RETURN_APPLICATIONS: 92, TOOLS_POST_RETURN_TIME[ms]: 152, TOOLS_QUANTIFIERELIM_APPLICATIONS: 449, TOOLS_QUANTIFIERELIM_TIME[ms]: 26151, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25786, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 392, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 122, DOMAIN_JOIN_TIME[ms]: 596045, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 9122, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 41, DOMAIN_ISBOTTOM_APPLICATIONS: 72, DOMAIN_ISBOTTOM_TIME[ms]: 555, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 391658, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 391657, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 92, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30345, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30344, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 563, DAG_COMPRESSION_RETAINED_NODES: 316 - 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 735#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...