java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:52:55,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:52:55,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:52:55,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:52:55,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:52:55,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:52:55,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:52:55,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:52:55,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:52:55,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:52:55,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:52:55,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:52:55,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:52:55,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:52:55,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:52:55,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:52:55,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:52:55,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:52:55,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:52:55,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:52:55,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:52:55,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:52:55,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:52:55,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:52:55,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:52:55,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:52:55,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:52:55,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:52:55,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:52:55,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:52:55,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:52:55,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:52:55,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:52:55,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:52:55,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:52:55,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:52:55,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:52:55,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:52:55,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:52:55,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:52:55,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:52:55,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:52:55,707 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:52:55,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:52:55,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:52:55,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:52:55,709 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:52:55,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:52:55,709 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:52:55,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:52:55,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:52:55,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:52:55,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:52:55,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:52:55,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:52:55,711 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:52:55,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:52:55,711 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:52:55,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:52:55,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:52:55,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:52:55,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:52:55,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:52:55,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:52:55,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:52:55,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:52:55,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:52:55,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:52:55,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:52:55,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:52:55,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:52:55,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:52:55,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:52:55,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:52:55,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:52:55,763 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:52:55,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2019-09-20 15:52:55,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b691e0ebb/7ed8e609a42e49a0a2fe7b0d537070d2/FLAGf1f0e49c0 [2019-09-20 15:52:56,351 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:52:56,352 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2019-09-20 15:52:56,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b691e0ebb/7ed8e609a42e49a0a2fe7b0d537070d2/FLAGf1f0e49c0 [2019-09-20 15:52:56,674 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b691e0ebb/7ed8e609a42e49a0a2fe7b0d537070d2 [2019-09-20 15:52:56,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:52:56,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:52:56,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:56,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:52:56,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:52:56,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:56" (1/1) ... [2019-09-20 15:52:56,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2359f932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:56, skipping insertion in model container [2019-09-20 15:52:56,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:56" (1/1) ... [2019-09-20 15:52:56,705 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:52:56,771 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:52:57,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:57,269 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:52:57,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:57,391 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:52:57,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:57 WrapperNode [2019-09-20 15:52:57,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:57,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:52:57,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:52:57,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:52:57,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:57" (1/1) ... [2019-09-20 15:52:57,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:57" (1/1) ... [2019-09-20 15:52:57,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:57" (1/1) ... [2019-09-20 15:52:57,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:57" (1/1) ... [2019-09-20 15:52:57,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:57" (1/1) ... [2019-09-20 15:52:57,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:57" (1/1) ... [2019-09-20 15:52:57,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:57" (1/1) ... [2019-09-20 15:52:57,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:52:57,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:52:57,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:52:57,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:52:57,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:52:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:52:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:52:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:52:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:52:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:52:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:52:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:52:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:52:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:52:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:52:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:52:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:52:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:52:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:52:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:52:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:52:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:52:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:52:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:52:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:52:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:52:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:52:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:52:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:52:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:52:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:52:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:52:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:52:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:52:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:52:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:52:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:52:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:52:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:52:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:52:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:52:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:52:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:52:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:52:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:52:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:52:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:52:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:52:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:52:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:52:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:52:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:52:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:52:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:52:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:52:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:52:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:52:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:52:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:52:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:52:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:52:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:52:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:52:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:52:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:52:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:52:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:52:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:52:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:52:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:52:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:52:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:52:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:52:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:52:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:52:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:52:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:52:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:52:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:52:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:52:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:52:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:52:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:52:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:52:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:52:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:52:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:52:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:52:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:52:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:52:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:52:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:52:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:52:59,230 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:52:59,230 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:52:59,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:59 BoogieIcfgContainer [2019-09-20 15:52:59,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:52:59,232 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:52:59,232 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:52:59,233 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:52:59,234 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:59" (1/1) ... [2019-09-20 15:52:59,235 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:52:59,270 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:52:59,271 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:52:59,283 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:52:59,297 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:52:59,298 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:53:08,415 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:53:10,075 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:53:10,236 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:53:10,372 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:53:10,490 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:53:10,506 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:53:10,551 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:53:10,557 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:53:10,730 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:53:10,857 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:53:11,316 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:53:11,623 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:53:11,905 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:53:12,137 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:53:12,328 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:53:12,491 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:53:12,694 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:53:12,883 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:53:13,058 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:53:13,228 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:53:13,655 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:53:13,988 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:53:14,928 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2019-09-20 15:53:15,299 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:53:15,630 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2019-09-20 15:53:15,925 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:53:16,619 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 542 [2019-09-20 15:53:17,008 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 542 [2019-09-20 15:53:17,212 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-20 15:53:17,964 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:53:18,564 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:53:19,414 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-20 15:53:19,972 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:53:20,286 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-20 15:53:20,557 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:53:21,035 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 536 [2019-09-20 15:53:21,447 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 536 [2019-09-20 15:53:22,217 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:53:22,496 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:53:22,999 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-20 15:53:23,273 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:53:23,547 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-20 15:53:23,844 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:53:24,372 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 536 [2019-09-20 15:53:24,772 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 536 [2019-09-20 15:53:25,209 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:53:25,479 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:53:25,953 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-20 15:53:26,228 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:53:26,499 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-20 15:53:26,781 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:53:27,243 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 536 [2019-09-20 15:53:27,654 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 536 [2019-09-20 15:53:28,097 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:53:28,368 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:53:28,770 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-20 15:53:29,046 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:53:29,327 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-20 15:53:29,608 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:53:30,060 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 536 [2019-09-20 15:53:30,461 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 536 [2019-09-20 15:53:30,588 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 15:53:30,640 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:53:30,652 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 17 for LOIs [2019-09-20 15:53:30,655 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 27 for LOIs [2019-09-20 15:53:30,658 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:53:30,658 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:53:30,659 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 987#(and (or (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= 0 ~systemActive~0))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:53:30,673 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:53:30,673 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:53:30,675 INFO L168 Benchmark]: Toolchain (without parser) took 33989.03 ms. Allocated memory was 140.5 MB in the beginning and 918.0 MB in the end (delta: 777.5 MB). Free memory was 85.6 MB in the beginning and 302.8 MB in the end (delta: -217.2 MB). Peak memory consumption was 560.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:30,676 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:53:30,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.07 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 85.4 MB in the beginning and 164.3 MB in the end (delta: -78.8 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:30,678 INFO L168 Benchmark]: Boogie Preprocessor took 106.70 ms. Allocated memory is still 200.3 MB. Free memory was 164.3 MB in the beginning and 159.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:30,679 INFO L168 Benchmark]: RCFGBuilder took 1731.52 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 159.6 MB in the beginning and 140.4 MB in the end (delta: 19.1 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:30,680 INFO L168 Benchmark]: Sifa took 31440.82 ms. Allocated memory was 226.5 MB in the beginning and 918.0 MB in the end (delta: 691.5 MB). Free memory was 140.4 MB in the beginning and 302.8 MB in the end (delta: -162.4 MB). Peak memory consumption was 529.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:30,684 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.07 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 85.4 MB in the beginning and 164.3 MB in the end (delta: -78.8 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.70 ms. Allocated memory is still 200.3 MB. Free memory was 164.3 MB in the beginning and 159.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1731.52 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 159.6 MB in the beginning and 140.4 MB in the end (delta: 19.1 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * Sifa took 31440.82 ms. Allocated memory was 226.5 MB in the beginning and 918.0 MB in the end (delta: 691.5 MB). Free memory was 140.4 MB in the beginning and 302.8 MB in the end (delta: -162.4 MB). Peak memory consumption was 529.1 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]: 31389, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 468, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 304, TOOLS_POST_TIME[ms]: 11116, TOOLS_POST_CALL_APPLICATIONS: 137, TOOLS_POST_CALL_TIME[ms]: 471, TOOLS_POST_RETURN_APPLICATIONS: 128, TOOLS_POST_RETURN_TIME[ms]: 368, TOOLS_QUANTIFIERELIM_APPLICATIONS: 569, TOOLS_QUANTIFIERELIM_TIME[ms]: 11722, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10844, FLUID_QUERY_TIME[ms]: 17, FLUID_QUERIES: 481, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 154, DOMAIN_JOIN_TIME[ms]: 18264, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 408, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME[ms]: 49, DOMAIN_ISBOTTOM_APPLICATIONS: 96, DOMAIN_ISBOTTOM_TIME[ms]: 510, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 17027, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 17027, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 128, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11322, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11321, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 554, DAG_COMPRESSION_RETAINED_NODES: 279 - UnprovableResult [Line: 953]: 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 987#(and (or (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= 0 ~systemActive~0))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...