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_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:52:13,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:52:13,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:52:13,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:52:13,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:52:13,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:52:13,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:52:13,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:52:13,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:52:13,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:52:13,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:52:13,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:52:13,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:52:13,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:52:13,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:52:13,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:52:13,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:52:13,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:52:13,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:52:13,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:52:13,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:52:13,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:52:13,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:52:13,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:52:13,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:52:13,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:52:13,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:52:13,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:52:13,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:52:13,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:52:13,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:52:13,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:52:13,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:52:13,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:52:13,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:52:13,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:52:13,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:52:13,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:52:13,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:52:13,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:52:13,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:52:13,933 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 15:52:13,953 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:52:13,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:52:13,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:52:13,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:52:13,957 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:52:13,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:52:13,957 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:52:13,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:52:13,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:52:13,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:52:13,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:52:13,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:52:13,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:52:13,960 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:52:13,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:52:13,960 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:52:13,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:52:13,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:52:13,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:52:13,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:52:13,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:52:13,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:52:13,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:52:13,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:52:13,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:52:13,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:52:13,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:52:13,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:52:13,963 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 15:52:14,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:52:14,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:52:14,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:52:14,042 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:52:14,042 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:52:14,043 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2019-09-20 15:52:14,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fa2db04a/112fbbace65242009a47dd4737ea1418/FLAGc8ab367d9 [2019-09-20 15:52:14,611 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:52:14,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2019-09-20 15:52:14,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fa2db04a/112fbbace65242009a47dd4737ea1418/FLAGc8ab367d9 [2019-09-20 15:52:14,928 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fa2db04a/112fbbace65242009a47dd4737ea1418 [2019-09-20 15:52:14,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:52:14,939 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:52:14,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:14,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:52:14,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:52:14,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:14" (1/1) ... [2019-09-20 15:52:14,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ec9619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:14, skipping insertion in model container [2019-09-20 15:52:14,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:14" (1/1) ... [2019-09-20 15:52:14,952 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:52:15,011 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:52:15,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:15,451 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:52:15,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:15,627 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:52:15,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:15 WrapperNode [2019-09-20 15:52:15,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:15,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:52:15,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:52:15,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:52:15,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:15" (1/1) ... [2019-09-20 15:52:15,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:15" (1/1) ... [2019-09-20 15:52:15,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:15" (1/1) ... [2019-09-20 15:52:15,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:15" (1/1) ... [2019-09-20 15:52:15,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:15" (1/1) ... [2019-09-20 15:52:15,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:15" (1/1) ... [2019-09-20 15:52:15,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:15" (1/1) ... [2019-09-20 15:52:15,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:52:15,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:52:15,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:52:15,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:52:15,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:15" (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 15:52:15,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:52:15,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:52:15,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:15,763 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:52:15,763 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:52:15,763 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:52:15,763 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:52:15,763 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:52:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:52:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:52:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:52:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:52:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:52:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:52:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:52:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:52:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:52:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:52:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:52:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:52:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:52:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:52:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:52:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:52:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:52:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:52:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:52:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:52:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:52:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:52:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:52:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:52:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:52:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:52:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:52:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:52:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:52:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:52:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:52:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:52:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:52:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:52:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:52:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:52:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:52:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:52:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:52:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:52:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:52:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:52:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:52:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:52:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:52:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:52:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:52:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:52:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:52:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:52:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:52:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:52:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:52:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:52:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:52:15,774 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:52:15,774 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:52:15,774 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:52:15,774 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:52:15,774 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:52:15,774 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:52:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:52:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:52:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:52:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:52:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:52:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:52:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:52:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:52:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:52:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:52:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:52:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:52:17,207 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:52:17,208 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:52:17,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:17 BoogieIcfgContainer [2019-09-20 15:52:17,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:52:17,210 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:52:17,210 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:52:17,210 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:52:17,211 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:17" (1/1) ... [2019-09-20 15:52:17,212 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 15:52:17,234 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:52:17,234 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:52:17,242 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:52:17,251 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:52:17,253 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:52:26,837 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:52:28,375 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:52:28,519 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:28,643 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:28,746 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:28,772 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:52:28,842 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:52:28,847 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:52:29,323 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-20 15:52:29,739 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-20 15:52:30,020 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-20 15:52:30,300 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-20 15:52:30,602 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:52:30,954 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:52:31,617 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:52:31,871 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:52:32,287 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-20 15:52:32,604 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-20 15:52:32,936 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-09-20 15:52:33,215 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-09-20 15:52:33,927 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 563 [2019-09-20 15:52:34,384 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-09-20 15:52:34,808 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 563 [2019-09-20 15:52:35,206 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-09-20 15:52:35,897 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 572 [2019-09-20 15:52:36,496 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 572 [2019-09-20 15:52:37,135 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-20 15:52:37,267 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 15:52:37,320 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:52:37,330 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 20 for LOIs [2019-09-20 15:52:37,337 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 26 for LOIs [2019-09-20 15:52:37,340 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:52:37,341 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:52:37,342 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 432#(and (<= ~pumpRunning~0 2147483647) (or (not (= 0 ~systemActive~0)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0))) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:52:37,356 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:52:37,356 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:52:37,359 INFO L168 Benchmark]: Toolchain (without parser) took 22418.99 ms. Allocated memory was 134.2 MB in the beginning and 689.4 MB in the end (delta: 555.2 MB). Free memory was 88.2 MB in the beginning and 156.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 487.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,360 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.07 ms. Allocated memory was 134.2 MB in the beginning and 198.2 MB in the end (delta: 64.0 MB). Free memory was 88.0 MB in the beginning and 163.1 MB in the end (delta: -75.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,367 INFO L168 Benchmark]: Boogie Preprocessor took 79.58 ms. Allocated memory is still 198.2 MB. Free memory was 163.1 MB in the beginning and 158.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,373 INFO L168 Benchmark]: RCFGBuilder took 1500.27 ms. Allocated memory was 198.2 MB in the beginning and 225.4 MB in the end (delta: 27.3 MB). Free memory was 158.8 MB in the beginning and 145.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,374 INFO L168 Benchmark]: Sifa took 20146.81 ms. Allocated memory was 225.4 MB in the beginning and 689.4 MB in the end (delta: 464.0 MB). Free memory was 145.7 MB in the beginning and 156.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 453.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,380 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 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.07 ms. Allocated memory was 134.2 MB in the beginning and 198.2 MB in the end (delta: 64.0 MB). Free memory was 88.0 MB in the beginning and 163.1 MB in the end (delta: -75.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.58 ms. Allocated memory is still 198.2 MB. Free memory was 163.1 MB in the beginning and 158.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1500.27 ms. Allocated memory was 198.2 MB in the beginning and 225.4 MB in the end (delta: 27.3 MB). Free memory was 158.8 MB in the beginning and 145.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * Sifa took 20146.81 ms. Allocated memory was 225.4 MB in the beginning and 689.4 MB in the end (delta: 464.0 MB). Free memory was 145.7 MB in the beginning and 156.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 453.3 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]: 20109, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 214, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 143, TOOLS_POST_TIME[ms]: 11343, TOOLS_POST_CALL_APPLICATIONS: 60, TOOLS_POST_CALL_TIME[ms]: 210, TOOLS_POST_RETURN_APPLICATIONS: 51, TOOLS_POST_RETURN_TIME[ms]: 102, TOOLS_QUANTIFIERELIM_APPLICATIONS: 254, TOOLS_QUANTIFIERELIM_TIME[ms]: 11546, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11196, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 220, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 72, DOMAIN_JOIN_TIME[ms]: 6937, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1158, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 32, DOMAIN_ISBOTTOM_APPLICATIONS: 42, DOMAIN_ISBOTTOM_TIME[ms]: 172, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8367, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8367, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 51, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11568, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11567, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 410, DAG_COMPRESSION_RETAINED_NODES: 184 - UnprovableResult [Line: 536]: 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 432#(and (<= ~pumpRunning~0 2147483647) (or (not (= 0 ~systemActive~0)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0))) (<= 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...