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_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:02:19,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:02:19,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:02:19,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:02:19,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:02:19,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:02:19,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:02:19,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:02:19,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:02:19,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:02:19,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:02:19,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:02:19,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:02:19,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:02:19,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:02:19,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:02:19,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:02:19,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:02:19,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:02:19,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:02:19,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:02:19,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:02:19,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:02:19,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:02:19,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:02:19,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:02:19,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:02:19,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:02:19,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:02:19,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:02:19,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:02:19,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:02:19,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:02:19,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:02:19,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:02:19,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:02:19,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:02:19,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:02:19,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:02:19,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:02:19,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:02:19,681 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 [2019-09-17 06:02:19,695 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:02:19,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:02:19,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:02:19,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:02:19,697 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:02:19,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:02:19,697 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:02:19,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:02:19,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:02:19,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:02:19,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:02:19,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:02:19,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:02:19,699 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:02:19,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:02:19,699 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:02:19,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:02:19,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:02:19,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:02:19,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:02:19,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:02:19,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:02:19,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:02:19,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:02:19,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:02:19,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:02:19,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:02:19,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:02:19,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> 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 [2019-09-17 06:02:19,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:02:19,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:02:19,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:02:19,750 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:02:19,751 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:02:19,751 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2019-09-17 06:02:19,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e14a7899/ae32ae209aae4d4db22863535d506929/FLAG91f691b9a [2019-09-17 06:02:20,375 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:02:20,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2019-09-17 06:02:20,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e14a7899/ae32ae209aae4d4db22863535d506929/FLAG91f691b9a [2019-09-17 06:02:20,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e14a7899/ae32ae209aae4d4db22863535d506929 [2019-09-17 06:02:20,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:02:20,690 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:02:20,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:02:20,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:02:20,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:02:20,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:02:20" (1/1) ... [2019-09-17 06:02:20,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ac53bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:20, skipping insertion in model container [2019-09-17 06:02:20,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:02:20" (1/1) ... [2019-09-17 06:02:20,706 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:02:20,785 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:02:21,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:02:21,384 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:02:21,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:02:21,512 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:02:21,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:21 WrapperNode [2019-09-17 06:02:21,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:02:21,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:02:21,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:02:21,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:02:21,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:21" (1/1) ... [2019-09-17 06:02:21,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:21" (1/1) ... [2019-09-17 06:02:21,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:21" (1/1) ... [2019-09-17 06:02:21,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:21" (1/1) ... [2019-09-17 06:02:21,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:21" (1/1) ... [2019-09-17 06:02:21,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:21" (1/1) ... [2019-09-17 06:02:21,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:21" (1/1) ... [2019-09-17 06:02:21,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:02:21,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:02:21,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:02:21,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:02:21,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:02:21" (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 [2019-09-17 06:02:21,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:02:21,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:02:21,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:02:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:02:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:02:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:02:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:02:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:02:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:02:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:02:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:02:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:02:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:02:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:02:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:02:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:02:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 06:02:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:02:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:02:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 06:02:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:02:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 06:02:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:02:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:02:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:02:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:02:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:02:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 06:02:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-17 06:02:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 06:02:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-17 06:02:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:02:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:02:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:02:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:02:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:02:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:02:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:02:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:02:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:02:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:02:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:02:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:02:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:02:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:02:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:02:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:02:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:02:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:02:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:02:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:02:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:02:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:02:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:02:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:02:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:02:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:02:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:02:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:02:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:02:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:02:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:02:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:02:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:02:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:02:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:02:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:02:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 06:02:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 06:02:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-17 06:02:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:02:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:02:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:02:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:02:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:02:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:02:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:02:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-17 06:02:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:02:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 06:02:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 06:02:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 06:02:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:02:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:02:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:02:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:02:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:02:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:02:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:02:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:02:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:02:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:02:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:02:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:02:23,132 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:02:23,132 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:02:23,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:02:23 BoogieIcfgContainer [2019-09-17 06:02:23,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:02:23,134 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:02:23,135 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:02:23,135 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:02:23,137 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:02:23" (1/1) ... [2019-09-17 06:02:23,137 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 [2019-09-17 06:02:23,173 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:02:23,173 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:02:23,184 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:02:23,194 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:02:23,195 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:02:33,199 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 06:02:34,818 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:02:34,993 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:02:35,126 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:02:35,237 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:02:35,264 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-17 06:02:35,335 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-17 06:02:35,341 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-17 06:02:35,810 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:02:36,212 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:02:36,574 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:02:36,843 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:02:37,454 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:02:37,804 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:02:38,563 WARN L191 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-17 06:02:39,195 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-17 06:02:39,553 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:02:39,936 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:02:40,784 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-17 06:02:41,090 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 491 [2019-09-17 06:02:41,255 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-17 06:02:41,305 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-17 06:02:41,317 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-17 06:02:41,320 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-17 06:02:41,322 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:02:41,323 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:02:41,328 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 417#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-17 06:02:41,345 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:02:41,346 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:02:41,348 INFO L168 Benchmark]: Toolchain (without parser) took 20657.68 ms. Allocated memory was 132.6 MB in the beginning and 541.1 MB in the end (delta: 408.4 MB). Free memory was 87.2 MB in the beginning and 415.7 MB in the end (delta: -328.4 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2019-09-17 06:02:41,349 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 06:02:41,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.81 ms. Allocated memory was 132.6 MB in the beginning and 202.9 MB in the end (delta: 70.3 MB). Free memory was 87.0 MB in the beginning and 167.8 MB in the end (delta: -80.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-17 06:02:41,357 INFO L168 Benchmark]: Boogie Preprocessor took 85.75 ms. Allocated memory is still 202.9 MB. Free memory was 167.8 MB in the beginning and 163.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-17 06:02:41,359 INFO L168 Benchmark]: RCFGBuilder took 1534.71 ms. Allocated memory was 202.9 MB in the beginning and 227.0 MB in the end (delta: 24.1 MB). Free memory was 163.3 MB in the beginning and 150.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. [2019-09-17 06:02:41,359 INFO L168 Benchmark]: Sifa took 18211.29 ms. Allocated memory was 227.0 MB in the beginning and 541.1 MB in the end (delta: 314.0 MB). Free memory was 150.0 MB in the beginning and 415.7 MB in the end (delta: -265.7 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2019-09-17 06:02:41,370 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 822.81 ms. Allocated memory was 132.6 MB in the beginning and 202.9 MB in the end (delta: 70.3 MB). Free memory was 87.0 MB in the beginning and 167.8 MB in the end (delta: -80.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.75 ms. Allocated memory is still 202.9 MB. Free memory was 167.8 MB in the beginning and 163.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1534.71 ms. Allocated memory was 202.9 MB in the beginning and 227.0 MB in the end (delta: 24.1 MB). Free memory was 163.3 MB in the beginning and 150.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. * Sifa took 18211.29 ms. Allocated memory was 227.0 MB in the beginning and 541.1 MB in the end (delta: 314.0 MB). Free memory was 150.0 MB in the beginning and 415.7 MB in the end (delta: -265.7 MB). Peak memory consumption was 48.4 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]: 18156, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 209, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 138, TOOLS_POST_TIME[ms]: 11794, TOOLS_POST_CALL_APPLICATIONS: 62, TOOLS_POST_CALL_TIME[ms]: 177, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME[ms]: 95, TOOLS_QUANTIFIERELIM_APPLICATIONS: 253, TOOLS_QUANTIFIERELIM_TIME[ms]: 11964, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11712, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 214, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 66, DOMAIN_JOIN_TIME[ms]: 5628, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 177, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 38, DOMAIN_ISBOTTOM_TIME[ms]: 106, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5854, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5854, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12134, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12133, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 344, DAG_COMPRESSION_RETAINED_NODES: 192 - UnprovableResult [Line: 44]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 417#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...