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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 22:36:43,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 22:36:43,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 22:36:43,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 22:36:43,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 22:36:43,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 22:36:43,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 22:36:43,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 22:36:43,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 22:36:43,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 22:36:43,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 22:36:43,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 22:36:43,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 22:36:43,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 22:36:43,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 22:36:43,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 22:36:43,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 22:36:43,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 22:36:43,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 22:36:43,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 22:36:43,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 22:36:43,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 22:36:43,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 22:36:43,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 22:36:43,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 22:36:43,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 22:36:43,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 22:36:43,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 22:36:43,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 22:36:43,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 22:36:43,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 22:36:43,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 22:36:43,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 22:36:43,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 22:36:43,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 22:36:43,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 22:36:43,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 22:36:43,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 22:36:43,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 22:36:43,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 22:36:43,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 22:36:43,961 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 [2019-09-19 22:36:43,974 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 22:36:43,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 22:36:43,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 22:36:43,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 22:36:43,976 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 22:36:43,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 22:36:43,977 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 22:36:43,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 22:36:43,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 22:36:43,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 22:36:43,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 22:36:43,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 22:36:43,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 22:36:43,978 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 22:36:43,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 22:36:43,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 22:36:43,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 22:36:43,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 22:36:43,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 22:36:43,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 22:36:43,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 22:36:43,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:36:43,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 22:36:43,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 22:36:43,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 22:36:43,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 22:36:43,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 22:36:43,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 22:36:43,982 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 22:36:44,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 22:36:44,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 22:36:44,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 22:36:44,034 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 22:36:44,034 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 22:36:44,035 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2019-09-19 22:36:44,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1e6d4f6/ede2ebd178a445f8890aff028a3690c7/FLAGb0c736076 [2019-09-19 22:36:44,619 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 22:36:44,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2019-09-19 22:36:44,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1e6d4f6/ede2ebd178a445f8890aff028a3690c7/FLAGb0c736076 [2019-09-19 22:36:44,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1e6d4f6/ede2ebd178a445f8890aff028a3690c7 [2019-09-19 22:36:44,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 22:36:44,920 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 22:36:44,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 22:36:44,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 22:36:44,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 22:36:44,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:36:44" (1/1) ... [2019-09-19 22:36:44,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e72264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:36:44, skipping insertion in model container [2019-09-19 22:36:44,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:36:44" (1/1) ... [2019-09-19 22:36:44,937 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 22:36:44,980 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 22:36:45,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:36:45,421 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 22:36:45,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:36:45,564 INFO L192 MainTranslator]: Completed translation [2019-09-19 22:36:45,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:36:45 WrapperNode [2019-09-19 22:36:45,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 22:36:45,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 22:36:45,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 22:36:45,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 22:36:45,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:36:45" (1/1) ... [2019-09-19 22:36:45,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:36:45" (1/1) ... [2019-09-19 22:36:45,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:36:45" (1/1) ... [2019-09-19 22:36:45,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:36:45" (1/1) ... [2019-09-19 22:36:45,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:36:45" (1/1) ... [2019-09-19 22:36:45,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:36:45" (1/1) ... [2019-09-19 22:36:45,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:36:45" (1/1) ... [2019-09-19 22:36:45,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 22:36:45,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 22:36:45,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 22:36:45,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 22:36:45,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:36:45" (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 [2019-09-19 22:36:45,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 22:36:45,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 22:36:45,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 22:36:45,703 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 22:36:45,703 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 22:36:45,703 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 22:36:45,704 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 22:36:45,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 22:36:45,704 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 22:36:45,704 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 22:36:45,705 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 22:36:45,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 22:36:45,706 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 22:36:45,706 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 22:36:45,706 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 22:36:45,706 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 22:36:45,708 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 22:36:45,708 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 22:36:45,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-19 22:36:45,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 22:36:45,709 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 22:36:45,709 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 22:36:45,709 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 22:36:45,709 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-19 22:36:45,709 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 22:36:45,709 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 22:36:45,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 22:36:45,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 22:36:45,710 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 22:36:45,710 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 22:36:45,712 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 22:36:45,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 22:36:45,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 22:36:45,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 22:36:45,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 22:36:45,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 22:36:45,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 22:36:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 22:36:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 22:36:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 22:36:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 22:36:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 22:36:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 22:36:45,714 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 22:36:45,714 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 22:36:45,714 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 22:36:45,714 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 22:36:45,714 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 22:36:45,715 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 22:36:45,715 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 22:36:45,715 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 22:36:45,715 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 22:36:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 22:36:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 22:36:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 22:36:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 22:36:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 22:36:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 22:36:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 22:36:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 22:36:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 22:36:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-19 22:36:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 22:36:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 22:36:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 22:36:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 22:36:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 22:36:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 22:36:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-19 22:36:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 22:36:45,719 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 22:36:45,719 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 22:36:45,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 22:36:45,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 22:36:45,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 22:36:45,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 22:36:45,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 22:36:45,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 22:36:45,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 22:36:45,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 22:36:45,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 22:36:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 22:36:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 22:36:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 22:36:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 22:36:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 22:36:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 22:36:45,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 22:36:47,153 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 22:36:47,153 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 22:36:47,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:36:47 BoogieIcfgContainer [2019-09-19 22:36:47,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 22:36:47,156 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 22:36:47,156 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 22:36:47,156 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 22:36:47,158 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:36:47" (1/1) ... [2019-09-19 22:36:47,158 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=NeverFluid [2019-09-19 22:36:47,184 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 22:36:47,184 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 22:36:47,199 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 22:36:47,212 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 22:36:47,214 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 22:37:11,286 WARN L191 SmtUtils]: Spent 14.20 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 22:37:13,003 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 22:37:16,772 WARN L191 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 22:37:18,550 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 22:37:20,295 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 22:37:20,309 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-19 22:37:20,372 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-19 22:37:20,378 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-19 22:37:31,535 WARN L191 SmtUtils]: Spent 10.99 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 22:37:36,836 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 22:37:47,511 WARN L191 SmtUtils]: Spent 10.67 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 22:37:52,827 WARN L191 SmtUtils]: Spent 5.31 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 22:38:10,496 WARN L191 SmtUtils]: Spent 17.62 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-19 22:38:19,261 WARN L191 SmtUtils]: Spent 8.76 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 22:38:50,777 WARN L191 SmtUtils]: Spent 31.40 s on a formula simplification. DAG size of input: 482 DAG size of output: 479 [2019-09-19 22:39:06,472 WARN L191 SmtUtils]: Spent 15.69 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-19 22:39:22,344 WARN L191 SmtUtils]: Spent 15.87 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-19 22:39:25,290 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 466 DAG size of output: 31 [2019-09-19 22:39:25,523 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-19 22:39:25,705 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-19 22:39:26,415 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-19 22:39:26,681 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-19 22:39:44,723 WARN L191 SmtUtils]: Spent 17.68 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-19 22:39:53,559 WARN L191 SmtUtils]: Spent 8.83 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 22:40:25,116 WARN L191 SmtUtils]: Spent 31.47 s on a formula simplification. DAG size of input: 482 DAG size of output: 479 [2019-09-19 22:40:40,790 WARN L191 SmtUtils]: Spent 15.67 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-19 22:40:56,561 WARN L191 SmtUtils]: Spent 15.77 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-19 22:40:59,011 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 466 DAG size of output: 31 [2019-09-19 22:40:59,238 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-19 22:40:59,947 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-19 22:41:00,134 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 18 for LOIs [2019-09-19 22:41:00,596 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-19 22:41:00,678 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 22:41:00,806 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 11 for LOIs [2019-09-19 22:41:00,810 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 22 for LOIs [2019-09-19 22:41:00,859 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 22:41:00,860 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 22:41:00,862 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 464#(and (<= ~pumpRunning~0 2147483647) (= 0 ~systemActive~0) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-19 22:41:00,872 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 22:41:00,872 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 22:41:00,874 INFO L168 Benchmark]: Toolchain (without parser) took 255954.51 ms. Allocated memory was 140.0 MB in the beginning and 144.2 MB in the end (delta: 4.2 MB). Free memory was 87.0 MB in the beginning and 82.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-09-19 22:41:00,875 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory is still 105.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 22:41:00,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.33 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 87.0 MB in the beginning and 166.5 MB in the end (delta: -79.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-19 22:41:00,876 INFO L168 Benchmark]: Boogie Preprocessor took 81.87 ms. Allocated memory is still 199.8 MB. Free memory was 166.5 MB in the beginning and 162.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-19 22:41:00,877 INFO L168 Benchmark]: RCFGBuilder took 1507.38 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 162.6 MB in the beginning and 154.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 91.9 MB. Max. memory is 7.1 GB. [2019-09-19 22:41:00,878 INFO L168 Benchmark]: Sifa took 253716.75 ms. Allocated memory was 224.4 MB in the beginning and 144.2 MB in the end (delta: -80.2 MB). Free memory was 154.4 MB in the beginning and 82.4 MB in the end (delta: 72.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 22:41:00,882 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory is still 105.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.33 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 87.0 MB in the beginning and 166.5 MB in the end (delta: -79.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.87 ms. Allocated memory is still 199.8 MB. Free memory was 166.5 MB in the beginning and 162.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1507.38 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 162.6 MB in the beginning and 154.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 91.9 MB. Max. memory is 7.1 GB. * Sifa took 253716.75 ms. Allocated memory was 224.4 MB in the beginning and 144.2 MB in the end (delta: -80.2 MB). Free memory was 154.4 MB in the beginning and 82.4 MB in the end (delta: 72.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 253678, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 234, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 153, TOOLS_POST_TIME[ms]: 29550, TOOLS_POST_CALL_APPLICATIONS: 65, TOOLS_POST_CALL_TIME[ms]: 154, TOOLS_POST_RETURN_APPLICATIONS: 56, TOOLS_POST_RETURN_TIME[ms]: 72, TOOLS_QUANTIFIERELIM_APPLICATIONS: 274, TOOLS_QUANTIFIERELIM_TIME[ms]: 29680, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29465, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 241, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 78, DOMAIN_JOIN_TIME[ms]: 218823, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 4583, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 27, DOMAIN_ISBOTTOM_APPLICATIONS: 46, DOMAIN_ISBOTTOM_TIME[ms]: 320, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 133640, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 133639, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 56, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33565, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33564, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 397, DAG_COMPRESSION_RETAINED_NODES: 210 - UnprovableResult [Line: 295]: 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 464#(and (<= ~pumpRunning~0 2147483647) (= 0 ~systemActive~0) (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...