java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 19:10:26,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 19:10:26,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 19:10:26,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 19:10:26,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 19:10:26,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 19:10:26,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 19:10:26,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 19:10:26,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 19:10:26,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 19:10:26,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 19:10:26,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 19:10:26,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 19:10:26,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 19:10:26,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 19:10:26,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 19:10:26,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 19:10:26,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 19:10:26,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 19:10:26,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 19:10:26,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 19:10:26,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 19:10:26,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 19:10:26,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 19:10:26,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 19:10:26,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 19:10:26,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 19:10:26,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 19:10:26,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 19:10:26,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 19:10:26,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 19:10:26,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 19:10:26,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 19:10:26,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 19:10:26,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 19:10:26,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 19:10:26,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 19:10:26,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 19:10:26,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 19:10:26,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 19:10:26,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 19:10:26,512 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 [2019-09-16 19:10:26,526 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 19:10:26,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 19:10:26,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 19:10:26,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 19:10:26,528 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 19:10:26,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 19:10:26,529 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 19:10:26,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 19:10:26,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 19:10:26,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 19:10:26,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 19:10:26,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 19:10:26,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 19:10:26,530 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 19:10:26,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 19:10:26,530 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 19:10:26,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 19:10:26,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 19:10:26,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 19:10:26,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 19:10:26,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 19:10:26,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 19:10:26,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 19:10:26,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 19:10:26,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 19:10:26,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 19:10:26,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 19:10:26,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 19:10:26,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-16 19:10:26,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 19:10:26,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 19:10:26,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 19:10:26,602 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 19:10:26,602 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 19:10:26,603 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2019-09-16 19:10:26,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16f437042/411a4f72f1c1403c825150dbe51b72f9/FLAG5a4cba376 [2019-09-16 19:10:27,222 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 19:10:27,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2019-09-16 19:10:27,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16f437042/411a4f72f1c1403c825150dbe51b72f9/FLAG5a4cba376 [2019-09-16 19:10:27,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16f437042/411a4f72f1c1403c825150dbe51b72f9 [2019-09-16 19:10:27,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 19:10:27,582 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 19:10:27,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 19:10:27,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 19:10:27,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 19:10:27,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:10:27" (1/1) ... [2019-09-16 19:10:27,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465f8fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:10:27, skipping insertion in model container [2019-09-16 19:10:27,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:10:27" (1/1) ... [2019-09-16 19:10:27,593 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 19:10:27,661 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 19:10:28,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:10:28,321 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 19:10:28,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:10:28,505 INFO L192 MainTranslator]: Completed translation [2019-09-16 19:10:28,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:10:28 WrapperNode [2019-09-16 19:10:28,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 19:10:28,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 19:10:28,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 19:10:28,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 19:10:28,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:10:28" (1/1) ... [2019-09-16 19:10:28,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:10:28" (1/1) ... [2019-09-16 19:10:28,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:10:28" (1/1) ... [2019-09-16 19:10:28,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:10:28" (1/1) ... [2019-09-16 19:10:28,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:10:28" (1/1) ... [2019-09-16 19:10:28,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:10:28" (1/1) ... [2019-09-16 19:10:28,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:10:28" (1/1) ... [2019-09-16 19:10:28,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 19:10:28,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 19:10:28,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 19:10:28,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 19:10:28,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:10:28" (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 [2019-09-16 19:10:28,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 19:10:28,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 19:10:28,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 19:10:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 19:10:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 19:10:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 19:10:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 19:10:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 19:10:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-16 19:10:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-16 19:10:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 19:10:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 19:10:28,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 19:10:28,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 19:10:28,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 19:10:28,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 19:10:28,746 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 19:10:28,747 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 19:10:28,747 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 19:10:28,747 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 19:10:28,747 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-16 19:10:28,747 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 19:10:28,747 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 19:10:28,748 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 19:10:28,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 19:10:28,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 19:10:28,748 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 19:10:28,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 19:10:28,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 19:10:28,749 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-16 19:10:28,749 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 19:10:28,749 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 19:10:28,749 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 19:10:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 19:10:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 19:10:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 19:10:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 19:10:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 19:10:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 19:10:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 19:10:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 19:10:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 19:10:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 19:10:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 19:10:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 19:10:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 19:10:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 19:10:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 19:10:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 19:10:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 19:10:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 19:10:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 19:10:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 19:10:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-16 19:10:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 19:10:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 19:10:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 19:10:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 19:10:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 19:10:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 19:10:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 19:10:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 19:10:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 19:10:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-16 19:10:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 19:10:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 19:10:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 19:10:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 19:10:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 19:10:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 19:10:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 19:10:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 19:10:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 19:10:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 19:10:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 19:10:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 19:10:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 19:10:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 19:10:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 19:10:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 19:10:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 19:10:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-16 19:10:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 19:10:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 19:10:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 19:10:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 19:10:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 19:10:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 19:10:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 19:10:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 19:10:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 19:10:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 19:10:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 19:10:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-16 19:10:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 19:10:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 19:10:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 19:10:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 19:10:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 19:10:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 19:10:30,268 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 19:10:30,269 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 19:10:30,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:10:30 BoogieIcfgContainer [2019-09-16 19:10:30,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 19:10:30,271 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 19:10:30,271 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 19:10:30,272 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 19:10:30,273 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:10:30" (1/1) ... [2019-09-16 19:10:30,273 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 [2019-09-16 19:10:30,306 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 19:10:30,307 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 19:10:30,317 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 19:10:30,328 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 19:10:30,329 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 19:10:54,393 WARN L191 SmtUtils]: Spent 14.28 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-16 19:10:56,076 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-16 19:11:00,004 WARN L191 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-16 19:11:01,693 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-16 19:11:03,313 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-16 19:11:03,329 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-16 19:11:03,412 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-16 19:11:03,434 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-16 19:11:14,562 WARN L191 SmtUtils]: Spent 10.94 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-16 19:11:19,947 WARN L191 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-16 19:11:31,379 WARN L191 SmtUtils]: Spent 11.43 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-16 19:11:36,906 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-16 19:11:48,125 WARN L191 SmtUtils]: Spent 11.22 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-16 19:11:53,602 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-16 19:12:11,340 WARN L191 SmtUtils]: Spent 17.65 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-16 19:12:20,275 WARN L191 SmtUtils]: Spent 8.93 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-16 19:12:51,970 WARN L191 SmtUtils]: Spent 31.62 s on a formula simplification. DAG size of input: 484 DAG size of output: 484 [2019-09-16 19:13:07,904 WARN L191 SmtUtils]: Spent 15.93 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-16 19:13:26,420 WARN L191 SmtUtils]: Spent 17.62 s on a formula simplification. DAG size of input: 470 DAG size of output: 465 [2019-09-16 19:13:35,141 WARN L191 SmtUtils]: Spent 8.72 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-16 19:13:40,637 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-16 19:13:46,023 WARN L191 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-16 19:14:05,688 WARN L191 SmtUtils]: Spent 19.66 s on a formula simplification. DAG size of input: 470 DAG size of output: 456 [2019-09-16 19:14:11,130 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-16 19:14:30,779 WARN L191 SmtUtils]: Spent 19.65 s on a formula simplification. DAG size of input: 470 DAG size of output: 456 [2019-09-16 19:14:36,208 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-16 19:14:48,679 WARN L191 SmtUtils]: Spent 12.45 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-16 19:14:49,096 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-16 19:14:49,252 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-16 19:15:07,162 WARN L191 SmtUtils]: Spent 17.63 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-16 19:15:16,010 WARN L191 SmtUtils]: Spent 8.85 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-16 19:15:48,274 WARN L191 SmtUtils]: Spent 32.21 s on a formula simplification. DAG size of input: 484 DAG size of output: 484 [2019-09-16 19:16:04,570 WARN L191 SmtUtils]: Spent 16.30 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-16 19:16:23,521 WARN L191 SmtUtils]: Spent 18.85 s on a formula simplification. DAG size of input: 470 DAG size of output: 465 [2019-09-16 19:16:32,445 WARN L191 SmtUtils]: Spent 8.92 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-16 19:16:38,399 WARN L191 SmtUtils]: Spent 5.88 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-16 19:16:43,924 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-16 19:17:03,705 WARN L191 SmtUtils]: Spent 19.78 s on a formula simplification. DAG size of input: 470 DAG size of output: 456 [2019-09-16 19:17:09,210 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-16 19:17:28,967 WARN L191 SmtUtils]: Spent 19.75 s on a formula simplification. DAG size of input: 470 DAG size of output: 456 [2019-09-16 19:17:34,448 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-16 19:17:46,915 WARN L191 SmtUtils]: Spent 12.43 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-16 19:17:47,249 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-16 19:17:47,413 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-16 19:18:05,325 WARN L191 SmtUtils]: Spent 17.83 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-16 19:18:14,259 WARN L191 SmtUtils]: Spent 8.93 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-16 19:18:46,067 WARN L191 SmtUtils]: Spent 31.77 s on a formula simplification. DAG size of input: 484 DAG size of output: 484 [2019-09-16 19:19:02,000 WARN L191 SmtUtils]: Spent 15.93 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-16 19:19:19,820 WARN L191 SmtUtils]: Spent 17.75 s on a formula simplification. DAG size of input: 470 DAG size of output: 465 [2019-09-16 19:19:28,619 WARN L191 SmtUtils]: Spent 8.80 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-16 19:19:34,131 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-16 19:19:39,513 WARN L191 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-16 19:19:59,601 WARN L191 SmtUtils]: Spent 20.09 s on a formula simplification. DAG size of input: 470 DAG size of output: 456 [2019-09-16 19:20:05,235 WARN L191 SmtUtils]: Spent 5.63 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-16 19:20:25,487 WARN L191 SmtUtils]: Spent 20.25 s on a formula simplification. DAG size of input: 470 DAG size of output: 456 [2019-09-16 19:20:30,968 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-16 19:20:43,495 WARN L191 SmtUtils]: Spent 12.46 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-16 19:20:43,804 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-16 19:20:43,954 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-16 19:20:44,056 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-16 19:20:44,529 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-16 19:20:44,677 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-16 19:20:44,679 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-16 19:20:44,702 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 19:20:44,703 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 19:20:44,705 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 583#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-16 19:20:44,717 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 19:20:44,718 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 19:20:44,719 INFO L168 Benchmark]: Toolchain (without parser) took 617137.44 ms. Allocated memory was 131.6 MB in the beginning and 156.2 MB in the end (delta: 24.6 MB). Free memory was 86.4 MB in the beginning and 78.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. [2019-09-16 19:20:44,720 INFO L168 Benchmark]: CDTParser took 1.29 ms. Allocated memory is still 131.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 19:20:44,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 923.35 ms. Allocated memory was 131.6 MB in the beginning and 200.8 MB in the end (delta: 69.2 MB). Free memory was 86.2 MB in the beginning and 161.5 MB in the end (delta: -75.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-16 19:20:44,722 INFO L168 Benchmark]: Boogie Preprocessor took 157.07 ms. Allocated memory is still 200.8 MB. Free memory was 161.5 MB in the beginning and 157.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-16 19:20:44,722 INFO L168 Benchmark]: RCFGBuilder took 1607.17 ms. Allocated memory was 200.8 MB in the beginning and 222.3 MB in the end (delta: 21.5 MB). Free memory was 157.7 MB in the beginning and 136.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. [2019-09-16 19:20:44,723 INFO L168 Benchmark]: Sifa took 614446.55 ms. Allocated memory was 222.3 MB in the beginning and 156.2 MB in the end (delta: -66.1 MB). Free memory was 136.4 MB in the beginning and 78.3 MB in the end (delta: 58.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 19:20:44,727 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29 ms. Allocated memory is still 131.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 923.35 ms. Allocated memory was 131.6 MB in the beginning and 200.8 MB in the end (delta: 69.2 MB). Free memory was 86.2 MB in the beginning and 161.5 MB in the end (delta: -75.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 157.07 ms. Allocated memory is still 200.8 MB. Free memory was 161.5 MB in the beginning and 157.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1607.17 ms. Allocated memory was 200.8 MB in the beginning and 222.3 MB in the end (delta: 21.5 MB). Free memory was 157.7 MB in the beginning and 136.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. * Sifa took 614446.55 ms. Allocated memory was 222.3 MB in the beginning and 156.2 MB in the end (delta: -66.1 MB). Free memory was 136.4 MB in the beginning and 78.3 MB in the end (delta: 58.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 614399, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 298, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 194, TOOLS_POST_TIME[ms]: 29760, TOOLS_POST_CALL_APPLICATIONS: 86, TOOLS_POST_CALL_TIME[ms]: 313, TOOLS_POST_RETURN_APPLICATIONS: 77, TOOLS_POST_RETURN_TIME[ms]: 177, TOOLS_QUANTIFIERELIM_APPLICATIONS: 357, TOOLS_QUANTIFIERELIM_TIME[ms]: 30105, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29592, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 309, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 96, DOMAIN_JOIN_TIME[ms]: 545798, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 37571, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 128, DOMAIN_ISBOTTOM_APPLICATIONS: 48, DOMAIN_ISBOTTOM_TIME[ms]: 464, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 450640, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 450639, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 77, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33831, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33830, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 51, DAG_COMPRESSION_PROCESSED_NODES: 463, DAG_COMPRESSION_RETAINED_NODES: 247 - UnprovableResult [Line: 1002]: 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 583#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...