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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:09:54,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:09:54,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:09:54,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:09:54,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:09:54,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:09:54,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:09:54,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:09:54,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:09:54,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:09:54,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:09:54,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:09:54,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:09:54,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:09:54,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:09:54,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:09:54,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:09:54,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:09:54,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:09:54,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:09:54,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:09:54,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:09:54,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:09:54,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:09:54,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:09:54,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:09:54,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:09:54,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:09:54,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:09:54,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:09:54,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:09:54,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:09:54,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:09:54,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:09:54,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:09:54,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:09:54,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:09:54,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:09:54,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:09:54,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:09:54,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:09:54,990 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 [2019-09-25 17:09:55,015 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:09:55,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:09:55,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:09:55,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:09:55,020 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:09:55,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:09:55,021 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:09:55,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:09:55,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:09:55,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:09:55,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:09:55,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:09:55,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:09:55,024 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:09:55,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:09:55,025 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:09:55,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:09:55,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:09:55,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:09:55,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:09:55,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:09:55,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:09:55,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:09:55,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:09:55,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:09:55,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:09:55,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:09:55,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:09:55,028 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:09:55,065 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:09:55,078 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:09:55,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:09:55,083 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:09:55,083 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:09:55,084 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2019-09-25 17:09:55,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c73a0933/5e66864f19e24b51abf30d155d9617d0/FLAG3ced521e9 [2019-09-25 17:09:55,710 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:09:55,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2019-09-25 17:09:55,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c73a0933/5e66864f19e24b51abf30d155d9617d0/FLAG3ced521e9 [2019-09-25 17:09:56,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c73a0933/5e66864f19e24b51abf30d155d9617d0 [2019-09-25 17:09:56,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:09:56,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:09:56,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:09:56,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:09:56,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:09:56,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:09:56" (1/1) ... [2019-09-25 17:09:56,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0db5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:56, skipping insertion in model container [2019-09-25 17:09:56,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:09:56" (1/1) ... [2019-09-25 17:09:56,031 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:09:56,073 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:09:56,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:09:56,539 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:09:56,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:09:56,650 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:09:56,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:56 WrapperNode [2019-09-25 17:09:56,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:09:56,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:09:56,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:09:56,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:09:56,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:56" (1/1) ... [2019-09-25 17:09:56,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:56" (1/1) ... [2019-09-25 17:09:56,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:56" (1/1) ... [2019-09-25 17:09:56,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:56" (1/1) ... [2019-09-25 17:09:56,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:56" (1/1) ... [2019-09-25 17:09:56,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:56" (1/1) ... [2019-09-25 17:09:56,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:56" (1/1) ... [2019-09-25 17:09:56,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:09:56,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:09:56,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:09:56,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:09:56,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:56" (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 [2019-09-25 17:09:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:09:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:09:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:09:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:09:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:09:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:09:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:09:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:09:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:09:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:09:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:09:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:09:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:09:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:09:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:09:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:09:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:09:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:09:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:09:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:09:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:09:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:09:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:09:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:09:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:09:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:09:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:09:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:09:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-25 17:09:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:09:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:09:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:09:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:09:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:09:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:09:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:09:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:09:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 17:09:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:09:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:09:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:09:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:09:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:09:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:09:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:09:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:09:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:09:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:09:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:09:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:09:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:09:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:09:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:09:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:09:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:09:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:09:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:09:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:09:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:09:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:09:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:09:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:09:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:09:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:09:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:09:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:09:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:09:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:09:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:09:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:09:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:09:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:09:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:09:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:09:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:09:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:09:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:09:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:09:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:09:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 17:09:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:09:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:09:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:09:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:09:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:09:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:09:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:09:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-25 17:09:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:09:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:09:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:09:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:09:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:09:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:09:58,555 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:09:58,556 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:09:58,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:09:58 BoogieIcfgContainer [2019-09-25 17:09:58,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:09:58,558 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:09:58,558 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:09:58,558 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:09:58,559 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:09:58" (1/1) ... [2019-09-25 17:09:58,560 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:09:58,588 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:09:58,592 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:09:58,605 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:09:58,616 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:09:58,618 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:10:09,375 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 17:10:11,137 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:10:11,279 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:10:11,425 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:10:11,530 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:10:11,560 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-25 17:10:11,626 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-25 17:10:11,632 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-25 17:10:11,816 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-25 17:10:11,931 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-25 17:10:12,410 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:10:12,720 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:10:13,052 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:10:13,518 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:10:13,931 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:10:17,915 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:10:17,918 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 69 for LOIs [2019-09-25 17:10:17,973 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 63 for LOIs [2019-09-25 17:10:17,980 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 76 for LOIs [2019-09-25 17:10:17,987 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:10:17,987 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:10:17,991 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1120#(and (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string34.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string46.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (= |#t~string33.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (= |#t~string40.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0)) [2019-09-25 17:10:18,006 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:10:18,006 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:10:18,008 INFO L168 Benchmark]: Toolchain (without parser) took 21993.68 ms. Allocated memory was 138.9 MB in the beginning and 625.0 MB in the end (delta: 486.0 MB). Free memory was 84.5 MB in the beginning and 427.3 MB in the end (delta: -342.9 MB). Peak memory consumption was 143.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:10:18,009 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:10:18,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.79 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 84.3 MB in the beginning and 164.4 MB in the end (delta: -80.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:10:18,020 INFO L168 Benchmark]: Boogie Preprocessor took 90.79 ms. Allocated memory is still 199.2 MB. Free memory was 164.4 MB in the beginning and 160.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:10:18,021 INFO L168 Benchmark]: RCFGBuilder took 1814.29 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 160.6 MB in the beginning and 144.1 MB in the end (delta: 16.5 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:10:18,022 INFO L168 Benchmark]: Sifa took 19448.39 ms. Allocated memory was 221.2 MB in the beginning and 625.0 MB in the end (delta: 403.7 MB). Free memory was 144.1 MB in the beginning and 427.3 MB in the end (delta: -283.3 MB). Peak memory consumption was 120.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:10:18,032 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 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 636.79 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 84.3 MB in the beginning and 164.4 MB in the end (delta: -80.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.79 ms. Allocated memory is still 199.2 MB. Free memory was 164.4 MB in the beginning and 160.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1814.29 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 160.6 MB in the beginning and 144.1 MB in the end (delta: 16.5 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. * Sifa took 19448.39 ms. Allocated memory was 221.2 MB in the beginning and 625.0 MB in the end (delta: 403.7 MB). Free memory was 144.1 MB in the beginning and 427.3 MB in the end (delta: -283.3 MB). Peak memory consumption was 120.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 19403, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 465, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 319, TOOLS_POST_TIME[ms]: 12725, TOOLS_POST_CALL_APPLICATIONS: 114, TOOLS_POST_CALL_TIME[ms]: 227, TOOLS_POST_RETURN_APPLICATIONS: 107, TOOLS_POST_RETURN_TIME[ms]: 139, TOOLS_QUANTIFIERELIM_APPLICATIONS: 539, TOOLS_QUANTIFIERELIM_TIME[ms]: 12912, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12580, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 481, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 148, DOMAIN_JOIN_TIME[ms]: 5831, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 38, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 89, DOMAIN_ISBOTTOM_TIME[ms]: 201, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2964, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2963, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 107, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13026, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13023, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 51, DAG_COMPRESSION_PROCESSED_NODES: 597, DAG_COMPRESSION_RETAINED_NODES: 309 - UnprovableResult [Line: 952]: 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 1120#(and (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string34.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string46.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (= |#t~string33.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (= |#t~string40.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...