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_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:52:39,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:52:39,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:52:39,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:52:39,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:52:39,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:52:39,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:52:39,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:52:39,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:52:39,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:52:39,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:52:39,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:52:39,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:52:39,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:52:39,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:52:39,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:52:39,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:52:39,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:52:39,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:52:39,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:52:39,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:52:39,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:52:39,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:52:39,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:52:39,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:52:39,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:52:39,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:52:39,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:52:39,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:52:39,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:52:39,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:52:39,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:52:39,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:52:39,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:52:39,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:52:39,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:52:39,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:52:39,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:52:39,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:52:39,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:52:39,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:52:39,957 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 15:52:39,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:52:39,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:52:39,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:52:39,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:52:39,974 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:52:39,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:52:39,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:52:39,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:52:39,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:52:39,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:52:39,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:52:39,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:52:39,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:52:39,975 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:52:39,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:52:39,976 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:52:39,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:52:39,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:52:39,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:52:39,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:52:39,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:52:39,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:52:39,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:52:39,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:52:39,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:52:39,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:52:39,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:52:39,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:52:39,978 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 15:52:40,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:52:40,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:52:40,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:52:40,026 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:52:40,027 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:52:40,027 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2019-09-20 15:52:40,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7960d42c2/c35d80a92ea843d98d90f36135904f88/FLAGba3a04aae [2019-09-20 15:52:40,646 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:52:40,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2019-09-20 15:52:40,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7960d42c2/c35d80a92ea843d98d90f36135904f88/FLAGba3a04aae [2019-09-20 15:52:40,936 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7960d42c2/c35d80a92ea843d98d90f36135904f88 [2019-09-20 15:52:40,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:52:40,949 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:52:40,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:40,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:52:40,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:52:40,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:40" (1/1) ... [2019-09-20 15:52:40,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e5564a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:40, skipping insertion in model container [2019-09-20 15:52:40,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:40" (1/1) ... [2019-09-20 15:52:40,965 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:52:41,023 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:52:41,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:41,537 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:52:41,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:41,682 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:52:41,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:41 WrapperNode [2019-09-20 15:52:41,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:41,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:52:41,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:52:41,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:52:41,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:41" (1/1) ... [2019-09-20 15:52:41,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:41" (1/1) ... [2019-09-20 15:52:41,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:41" (1/1) ... [2019-09-20 15:52:41,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:41" (1/1) ... [2019-09-20 15:52:41,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:41" (1/1) ... [2019-09-20 15:52:41,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:41" (1/1) ... [2019-09-20 15:52:41,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:41" (1/1) ... [2019-09-20 15:52:41,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:52:41,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:52:41,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:52:41,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:52:41,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:41" (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 15:52:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:52:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:52:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:52:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:52:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:52:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:52:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:52:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:52:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:52:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:41,882 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:52:41,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:52:41,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:52:41,883 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:52:41,883 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:52:41,885 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:52:41,885 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:52:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:52:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:52:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:52:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:52:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:52:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:52:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:52:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:52:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:52:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:52:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:52:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:52:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:52:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:52:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:52:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:52:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:52:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:52:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:52:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:52:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:52:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:52:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:52:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:52:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:52:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:52:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:52:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:52:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:52:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:52:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:52:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:52:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:52:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:52:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:52:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:52:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:52:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:52:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:52:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:52:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:52:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:52:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:52:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:52:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:52:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:52:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:52:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:52:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:52:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:52:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:52:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:52:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:52:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:52:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:52:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:52:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:52:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:52:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:52:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:52:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:52:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:52:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:52:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:52:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:52:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:52:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:52:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:52:43,428 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:52:43,428 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:52:43,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:43 BoogieIcfgContainer [2019-09-20 15:52:43,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:52:43,430 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:52:43,430 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:52:43,431 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:52:43,432 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:43" (1/1) ... [2019-09-20 15:52:43,433 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 15:52:43,456 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:52:43,457 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:52:43,466 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:52:43,476 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:52:43,478 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:52:53,280 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:52:54,883 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:52:55,049 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:55,181 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:55,310 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:55,327 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:52:55,387 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:52:55,394 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:52:55,572 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:52:55,719 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:52:56,219 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:52:56,608 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:52:56,906 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:52:57,136 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:52:57,451 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:52:57,739 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:52:58,042 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:52:58,320 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-20 15:52:58,450 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-20 15:52:58,730 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:52:58,953 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:52:59,554 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-20 15:52:59,804 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-20 15:53:00,666 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-20 15:53:00,823 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-20 15:53:01,212 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 15:53:01,218 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 69 for LOIs [2019-09-20 15:53:01,281 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 85 for LOIs [2019-09-20 15:53:01,291 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 94 for LOIs [2019-09-20 15:53:01,314 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:53:01,315 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:53:01,318 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 453#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (or (and (= |#t~string21.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string7.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string58.offset| 0) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (= |#t~string23.offset| 0)) (and (and (= |#t~string21.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string7.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string58.offset| 0) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (= |#t~string23.offset| 0)) (not (= 0 ~systemActive~0)))) (not (= ~pumpRunning~0 0))) [2019-09-20 15:53:01,336 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:53:01,337 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:53:01,339 INFO L168 Benchmark]: Toolchain (without parser) took 20389.71 ms. Allocated memory was 132.6 MB in the beginning and 575.7 MB in the end (delta: 443.0 MB). Free memory was 86.2 MB in the beginning and 301.6 MB in the end (delta: -215.5 MB). Peak memory consumption was 227.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:01,341 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory is still 105.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:53:01,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.53 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.2 MB in the beginning and 165.6 MB in the end (delta: -79.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:01,351 INFO L168 Benchmark]: Boogie Preprocessor took 127.00 ms. Allocated memory is still 200.3 MB. Free memory was 165.6 MB in the beginning and 161.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:01,355 INFO L168 Benchmark]: RCFGBuilder took 1618.31 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 161.0 MB in the beginning and 144.7 MB in the end (delta: 16.3 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:01,356 INFO L168 Benchmark]: Sifa took 17906.53 ms. Allocated memory was 223.9 MB in the beginning and 575.7 MB in the end (delta: 351.8 MB). Free memory was 144.7 MB in the beginning and 301.6 MB in the end (delta: -156.9 MB). Peak memory consumption was 194.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:01,365 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 is still 105.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.53 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.2 MB in the beginning and 165.6 MB in the end (delta: -79.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.00 ms. Allocated memory is still 200.3 MB. Free memory was 165.6 MB in the beginning and 161.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1618.31 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 161.0 MB in the beginning and 144.7 MB in the end (delta: 16.3 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. * Sifa took 17906.53 ms. Allocated memory was 223.9 MB in the beginning and 575.7 MB in the end (delta: 351.8 MB). Free memory was 144.7 MB in the beginning and 301.6 MB in the end (delta: -156.9 MB). Peak memory consumption was 194.9 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]: 17861, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 214, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 140, TOOLS_POST_TIME[ms]: 11646, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 155, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 98, TOOLS_QUANTIFIERELIM_APPLICATIONS: 254, TOOLS_QUANTIFIERELIM_TIME[ms]: 11766, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11503, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 216, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 77, DOMAIN_JOIN_TIME[ms]: 5543, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 49, DOMAIN_ISBOTTOM_TIME[ms]: 244, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 876, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 875, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11993, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11992, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 523, DAG_COMPRESSION_RETAINED_NODES: 218 - UnprovableResult [Line: 944]: 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 453#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (or (and (= |#t~string21.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string7.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string58.offset| 0) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (= |#t~string23.offset| 0)) (and (and (= |#t~string21.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string7.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string58.offset| 0) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (= |#t~string23.offset| 0)) (not (= 0 ~systemActive~0)))) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...