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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:53:16,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:53:16,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:53:16,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:53:16,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:53:16,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:53:16,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:53:16,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:53:16,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:53:16,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:53:16,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:53:16,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:53:16,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:53:16,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:53:16,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:53:16,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:53:16,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:53:16,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:53:16,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:53:16,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:53:16,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:53:16,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:53:16,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:53:16,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:53:16,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:53:16,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:53:16,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:53:16,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:53:16,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:53:16,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:53:16,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:53:16,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:53:16,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:53:16,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:53:16,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:53:16,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:53:16,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:53:16,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:53:16,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:53:16,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:53:16,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:53:16,710 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 [2019-10-15 06:53:16,724 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:53:16,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:53:16,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:53:16,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:53:16,726 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:53:16,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:53:16,726 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:53:16,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:53:16,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:53:16,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:53:16,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:53:16,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:53:16,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:53:16,728 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:53:16,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:53:16,728 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:53:16,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:53:16,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:53:16,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:53:16,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:53:16,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:53:16,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:53:16,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:53:16,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:53:16,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:53:16,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:53:16,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:53:16,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:53:16,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 06:53:17,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:53:17,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:53:17,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:53:17,020 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:53:17,021 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:53:17,021 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2019-10-15 06:53:17,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2702d1df/58edc36c69d3461583b8ca98cf8fc277/FLAG9cd356b0e [2019-10-15 06:53:17,632 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:53:17,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2019-10-15 06:53:17,647 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2702d1df/58edc36c69d3461583b8ca98cf8fc277/FLAG9cd356b0e [2019-10-15 06:53:17,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2702d1df/58edc36c69d3461583b8ca98cf8fc277 [2019-10-15 06:53:17,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:53:17,981 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:53:17,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:53:17,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:53:17,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:53:17,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:53:17" (1/1) ... [2019-10-15 06:53:17,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279e49b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:17, skipping insertion in model container [2019-10-15 06:53:17,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:53:17" (1/1) ... [2019-10-15 06:53:17,999 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:53:18,050 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:53:18,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:53:18,522 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:53:18,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:53:18,646 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:53:18,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:18 WrapperNode [2019-10-15 06:53:18,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:53:18,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:53:18,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:53:18,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:53:18,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:18" (1/1) ... [2019-10-15 06:53:18,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:18" (1/1) ... [2019-10-15 06:53:18,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:18" (1/1) ... [2019-10-15 06:53:18,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:18" (1/1) ... [2019-10-15 06:53:18,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:18" (1/1) ... [2019-10-15 06:53:18,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:18" (1/1) ... [2019-10-15 06:53:18,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:18" (1/1) ... [2019-10-15 06:53:18,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:53:18,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:53:18,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:53:18,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:53:18,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:53:18" (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 [2019-10-15 06:53:18,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:53:18,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:53:18,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 06:53:18,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 06:53:18,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 06:53:18,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 06:53:18,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 06:53:18,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 06:53:18,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 06:53:18,866 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 06:53:18,866 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 06:53:18,866 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 06:53:18,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 06:53:18,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 06:53:18,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 06:53:18,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 06:53:18,871 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 06:53:18,871 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 06:53:18,871 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 06:53:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 06:53:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 06:53:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 06:53:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 06:53:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 06:53:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 06:53:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 06:53:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 06:53:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 06:53:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-15 06:53:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 06:53:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 06:53:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 06:53:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 06:53:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 06:53:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 06:53:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 06:53:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 06:53:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:53:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 06:53:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:53:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:53:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 06:53:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 06:53:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 06:53:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 06:53:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 06:53:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 06:53:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 06:53:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:53:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 06:53:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 06:53:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:53:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 06:53:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 06:53:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:53:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 06:53:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 06:53:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:53:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 06:53:18,880 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 06:53:18,880 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 06:53:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 06:53:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 06:53:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 06:53:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 06:53:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 06:53:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 06:53:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 06:53:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 06:53:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 06:53:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 06:53:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 06:53:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 06:53:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 06:53:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-15 06:53:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 06:53:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 06:53:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 06:53:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 06:53:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 06:53:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 06:53:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 06:53:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 06:53:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 06:53:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 06:53:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 06:53:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 06:53:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 06:53:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:53:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:53:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 06:53:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:53:20,493 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:53:20,494 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 06:53:20,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:53:20 BoogieIcfgContainer [2019-10-15 06:53:20,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:53:20,496 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:53:20,496 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:53:20,496 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:53:20,497 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:53:20" (1/1) ... [2019-10-15 06:53:20,498 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ 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=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-15 06:53:20,527 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:53:20,527 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:53:20,543 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:53:20,556 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:53:20,558 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:53:30,307 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-15 06:53:32,164 WARN L191 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 06:53:32,318 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:53:32,456 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:53:32,593 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:53:32,855 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-15 06:53:32,873 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-15 06:53:32,940 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-15 06:53:32,947 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-15 06:53:33,627 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-15 06:53:34,215 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-15 06:53:34,611 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 06:53:34,867 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 188 [2019-10-15 06:53:35,733 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-15 06:53:35,956 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-15 06:53:36,156 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 594 [2019-10-15 06:53:36,630 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-15 06:53:37,077 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-15 06:53:37,623 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 187 [2019-10-15 06:53:38,171 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-15 06:53:38,316 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 595 [2019-10-15 06:53:38,687 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-15 06:53:39,063 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-15 06:53:39,724 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-15 06:53:39,727 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2019-10-15 06:53:39,944 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 130 for LOIs [2019-10-15 06:53:39,953 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 143 for LOIs [2019-10-15 06:53:40,029 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:53:40,044 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:53:40,044 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:53:40,046 INFO L168 Benchmark]: Toolchain (without parser) took 22065.12 ms. Allocated memory was 138.9 MB in the beginning and 639.6 MB in the end (delta: 500.7 MB). Free memory was 102.5 MB in the beginning and 339.0 MB in the end (delta: -236.5 MB). Peak memory consumption was 264.2 MB. Max. memory is 7.1 GB. [2019-10-15 06:53:40,047 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 06:53:40,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.22 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 170.0 MB in the end (delta: -67.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-10-15 06:53:40,049 INFO L168 Benchmark]: Boogie Preprocessor took 109.60 ms. Allocated memory is still 202.9 MB. Free memory was 170.0 MB in the beginning and 165.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 06:53:40,050 INFO L168 Benchmark]: RCFGBuilder took 1737.66 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 165.9 MB in the beginning and 149.5 MB in the end (delta: 16.4 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2019-10-15 06:53:40,052 INFO L168 Benchmark]: Sifa took 19548.54 ms. Allocated memory was 236.5 MB in the beginning and 639.6 MB in the end (delta: 403.2 MB). Free memory was 149.5 MB in the beginning and 339.0 MB in the end (delta: -189.6 MB). Peak memory consumption was 213.6 MB. Max. memory is 7.1 GB. [2019-10-15 06:53:40,056 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.22 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 170.0 MB in the end (delta: -67.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.60 ms. Allocated memory is still 202.9 MB. Free memory was 170.0 MB in the beginning and 165.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1737.66 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 165.9 MB in the beginning and 149.5 MB in the end (delta: 16.4 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * Sifa took 19548.54 ms. Allocated memory was 236.5 MB in the beginning and 639.6 MB in the end (delta: 403.2 MB). Free memory was 149.5 MB in the beginning and 339.0 MB in the end (delta: -189.6 MB). Peak memory consumption was 213.6 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]: 19503, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 204, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 138, TOOLS_POST_TIME[ms]: 11743, TOOLS_POST_CALL_APPLICATIONS: 58, TOOLS_POST_CALL_TIME[ms]: 154, TOOLS_POST_RETURN_APPLICATIONS: 51, TOOLS_POST_RETURN_TIME[ms]: 73, TOOLS_QUANTIFIERELIM_APPLICATIONS: 246, TOOLS_QUANTIFIERELIM_TIME[ms]: 11862, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11660, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 206, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 66, DOMAIN_JOIN_TIME[ms]: 6514, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 635, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 41, DOMAIN_ISBOTTOM_TIME[ms]: 194, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5038, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5037, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 51, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12421, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12419, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 364, DAG_COMPRESSION_RETAINED_NODES: 200 - UnprovableResult [Line: 935]: 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 622#(and (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string53.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (= |#t~string20.offset| 0) (= |#t~string29.offset| 0) (<= 0 |#t~string53.offset|) (= |#t~string42.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= |#t~string18.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (<= |#t~string38.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (= |#t~string30.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string36.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= 0 ~systemActive~0) (<= ~methaneLevelCritical~0 1) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string29.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...