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_spec5_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:38:47,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:38:47,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:38:47,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:38:47,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:38:47,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:38:47,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:38:47,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:38:47,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:38:47,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:38:47,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:38:47,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:38:47,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:38:47,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:38:47,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:38:47,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:38:47,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:38:47,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:38:47,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:38:47,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:38:47,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:38:47,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:38:47,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:38:47,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:38:47,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:38:47,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:38:47,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:38:47,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:38:47,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:38:47,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:38:47,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:38:47,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:38:47,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:38:47,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:38:47,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:38:47,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:38:47,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:38:47,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:38:47,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:38:47,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:38:47,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:38:47,708 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 [2019-09-21 08:38:47,744 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:38:47,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:38:47,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:38:47,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:38:47,749 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:38:47,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:38:47,750 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:38:47,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:38:47,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:38:47,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:38:47,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:38:47,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:38:47,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:38:47,752 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:38:47,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:38:47,752 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:38:47,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:38:47,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:38:47,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:38:47,755 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:38:47,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:38:47,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:38:47,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:38:47,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:38:47,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:38:47,756 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:38:47,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:38:47,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:38:47,757 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 [2019-09-21 08:38:47,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:38:47,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:38:47,820 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:38:47,821 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:38:47,822 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:38:47,822 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2019-09-21 08:38:47,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39bc2d380/5878e8ae60aa4973b86ee623ae18b1d6/FLAG844848529 [2019-09-21 08:38:48,458 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:38:48,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2019-09-21 08:38:48,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39bc2d380/5878e8ae60aa4973b86ee623ae18b1d6/FLAG844848529 [2019-09-21 08:38:48,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39bc2d380/5878e8ae60aa4973b86ee623ae18b1d6 [2019-09-21 08:38:48,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:38:48,729 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:38:48,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:38:48,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:38:48,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:38:48,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:38:48" (1/1) ... [2019-09-21 08:38:48,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2145c95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:48, skipping insertion in model container [2019-09-21 08:38:48,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:38:48" (1/1) ... [2019-09-21 08:38:48,745 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:38:48,798 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:38:49,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:38:49,382 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:38:49,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:38:49,535 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:38:49,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:49 WrapperNode [2019-09-21 08:38:49,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:38:49,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:38:49,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:38:49,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:38:49,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:49" (1/1) ... [2019-09-21 08:38:49,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:49" (1/1) ... [2019-09-21 08:38:49,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:49" (1/1) ... [2019-09-21 08:38:49,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:49" (1/1) ... [2019-09-21 08:38:49,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:49" (1/1) ... [2019-09-21 08:38:49,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:49" (1/1) ... [2019-09-21 08:38:49,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:49" (1/1) ... [2019-09-21 08:38:49,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:38:49,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:38:49,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:38:49,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:38:49,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:38:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:38:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:38:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:38:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:38:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:38:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:38:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-21 08:38:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 08:38:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:38:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 08:38:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:38:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:38:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:38:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:38:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:38:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-21 08:38:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:38:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:38:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:38:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:38:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:38:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:38:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:38:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-21 08:38:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:38:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:38:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:38:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:38:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:38:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:38:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:38:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-21 08:38:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-21 08:38:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-21 08:38:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:38:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:38:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:38:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:38:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:38:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:38:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:38:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:38:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:38:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:38:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:38:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:38:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:38:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:38:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:38:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:38:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:38:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:38:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:38:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:38:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:38:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-21 08:38:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:38:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:38:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:38:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:38:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:38:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-21 08:38:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-21 08:38:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:38:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:38:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-21 08:38:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-21 08:38:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:38:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 08:38:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:38:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 08:38:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:38:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:38:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:38:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:38:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:38:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:38:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:38:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:38:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:38:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:38:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:38:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:38:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:38:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:38:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:38:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:38:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:38:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:38:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:38:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-21 08:38:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:38:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:38:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:38:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:38:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:38:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:38:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:38:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:38:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:38:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:38:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:38:51,393 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:38:51,394 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:38:51,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:38:51 BoogieIcfgContainer [2019-09-21 08:38:51,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:38:51,396 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:38:51,396 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:38:51,396 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:38:51,398 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:38:51" (1/1) ... [2019-09-21 08:38:51,400 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 [2019-09-21 08:38:51,444 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:38:51,444 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:38:51,463 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:38:51,479 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:38:51,480 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:39:00,133 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 08:39:02,008 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:39:02,169 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:39:02,307 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:39:02,436 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:39:02,458 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-21 08:39:02,514 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-21 08:39:02,532 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-21 08:39:02,722 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-21 08:39:02,877 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-21 08:39:03,438 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-21 08:39:03,772 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-21 08:39:04,075 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-21 08:39:04,397 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-21 08:39:04,749 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 520 [2019-09-21 08:39:05,063 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 520 [2019-09-21 08:39:05,829 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-21 08:39:05,994 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-21 08:39:06,165 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-21 08:39:06,290 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-21 08:39:06,601 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2019-09-21 08:39:06,903 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2019-09-21 08:39:07,140 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 544 [2019-09-21 08:39:07,348 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:39:07,519 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 507 [2019-09-21 08:39:07,937 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-21 08:39:08,051 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-21 08:39:08,421 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2019-09-21 08:39:08,634 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2019-09-21 08:39:08,855 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2019-09-21 08:39:09,040 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2019-09-21 08:39:09,060 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-21 08:39:09,062 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 498 for LOIs [2019-09-21 08:39:09,219 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:39:09,428 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:39:09,432 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-21 08:39:09,436 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-21 08:39:09,438 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:39:09,438 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:39:09,440 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 440#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-21 08:39:09,454 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:39:09,454 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:39:09,456 INFO L168 Benchmark]: Toolchain (without parser) took 20727.35 ms. Allocated memory was 140.0 MB in the beginning and 666.9 MB in the end (delta: 526.9 MB). Free memory was 86.9 MB in the beginning and 175.5 MB in the end (delta: -88.7 MB). Peak memory consumption was 438.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:09,457 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:39:09,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.90 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.6 MB in the beginning and 163.0 MB in the end (delta: -76.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:09,459 INFO L168 Benchmark]: Boogie Preprocessor took 116.57 ms. Allocated memory is still 199.2 MB. Free memory was 163.0 MB in the beginning and 158.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:09,460 INFO L168 Benchmark]: RCFGBuilder took 1741.62 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 158.8 MB in the beginning and 135.5 MB in the end (delta: 23.2 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:09,461 INFO L168 Benchmark]: Sifa took 18058.39 ms. Allocated memory was 224.4 MB in the beginning and 666.9 MB in the end (delta: 442.5 MB). Free memory was 135.5 MB in the beginning and 175.5 MB in the end (delta: -40.0 MB). Peak memory consumption was 402.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:09,465 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 140.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 806.90 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.6 MB in the beginning and 163.0 MB in the end (delta: -76.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.57 ms. Allocated memory is still 199.2 MB. Free memory was 163.0 MB in the beginning and 158.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1741.62 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 158.8 MB in the beginning and 135.5 MB in the end (delta: 23.2 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. * Sifa took 18058.39 ms. Allocated memory was 224.4 MB in the beginning and 666.9 MB in the end (delta: 442.5 MB). Free memory was 135.5 MB in the beginning and 175.5 MB in the end (delta: -40.0 MB). Peak memory consumption was 402.5 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]: 17997, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 215, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 147, TOOLS_POST_TIME[ms]: 10703, TOOLS_POST_CALL_APPLICATIONS: 64, TOOLS_POST_CALL_TIME[ms]: 207, TOOLS_POST_RETURN_APPLICATIONS: 57, TOOLS_POST_RETURN_TIME[ms]: 92, TOOLS_QUANTIFIERELIM_APPLICATIONS: 267, TOOLS_QUANTIFIERELIM_TIME[ms]: 10879, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10572, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 217, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 73, DOMAIN_JOIN_TIME[ms]: 6582, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 20, DOMAIN_ISBOTTOM_APPLICATIONS: 41, DOMAIN_ISBOTTOM_TIME[ms]: 186, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3254, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3254, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 57, CALL_SUMMARIZER_CACHE_MISSES: 31, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11038, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11037, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 50, DAG_COMPRESSION_PROCESSED_NODES: 493, DAG_COMPRESSION_RETAINED_NODES: 228 - UnprovableResult [Line: 925]: 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 440#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...