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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:08:12,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:08:12,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:08:12,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:08:12,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:08:12,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:08:12,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:08:12,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:08:12,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:08:12,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:08:12,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:08:12,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:08:12,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:08:12,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:08:12,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:08:12,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:08:12,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:08:12,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:08:12,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:08:12,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:08:12,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:08:12,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:08:12,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:08:12,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:08:12,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:08:12,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:08:12,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:08:12,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:08:12,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:08:12,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:08:12,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:08:12,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:08:12,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:08:12,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:08:12,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:08:12,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:08:12,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:08:12,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:08:12,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:08:12,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:08:12,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:08:12,870 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 [2019-09-17 06:08:12,885 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:08:12,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:08:12,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:08:12,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:08:12,887 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:08:12,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:08:12,887 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:08:12,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:08:12,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:08:12,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:08:12,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:08:12,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:08:12,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:08:12,888 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:08:12,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:08:12,889 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:08:12,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:08:12,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:08:12,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:08:12,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:08:12,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:08:12,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:08:12,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:08:12,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:08:12,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:08:12,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:08:12,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:08:12,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:08:12,892 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 [2019-09-17 06:08:12,922 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:08:12,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:08:12,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:08:12,940 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:08:12,941 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:08:12,941 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2019-09-17 06:08:13,018 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2781a6ee/ddf306cd8f4f4af99c08651d9e5467e5/FLAG7bdc12e7a [2019-09-17 06:08:13,571 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:08:13,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2019-09-17 06:08:13,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2781a6ee/ddf306cd8f4f4af99c08651d9e5467e5/FLAG7bdc12e7a [2019-09-17 06:08:13,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2781a6ee/ddf306cd8f4f4af99c08651d9e5467e5 [2019-09-17 06:08:13,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:08:13,882 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:08:13,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:08:13,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:08:13,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:08:13,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:08:13" (1/1) ... [2019-09-17 06:08:13,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2ee38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:13, skipping insertion in model container [2019-09-17 06:08:13,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:08:13" (1/1) ... [2019-09-17 06:08:13,900 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:08:13,958 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:08:14,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:08:14,464 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:08:14,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:08:14,654 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:08:14,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:14 WrapperNode [2019-09-17 06:08:14,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:08:14,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:08:14,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:08:14,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:08:14,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:14" (1/1) ... [2019-09-17 06:08:14,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:14" (1/1) ... [2019-09-17 06:08:14,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:14" (1/1) ... [2019-09-17 06:08:14,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:14" (1/1) ... [2019-09-17 06:08:14,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:14" (1/1) ... [2019-09-17 06:08:14,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:14" (1/1) ... [2019-09-17 06:08:14,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:14" (1/1) ... [2019-09-17 06:08:14,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:08:14,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:08:14,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:08:14,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:08:14,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:08:14" (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 [2019-09-17 06:08:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:08:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:08:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:08:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-17 06:08:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:08:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:08:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:08:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:08:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:08:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:08:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:08:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:08:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:08:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:08:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:08:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:08:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:08:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:08:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:08:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:08:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 06:08:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:08:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:08:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:08:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:08:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:08:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:08:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:08:14,833 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 06:08:14,833 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-17 06:08:14,833 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:08:14,833 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 06:08:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:08:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:08:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:08:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:08:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:08:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 06:08:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-17 06:08:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 06:08:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:08:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:08:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:08:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:08:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:08:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:08:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:08:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-17 06:08:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:08:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:08:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:08:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:08:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:08:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:08:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:08:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:08:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:08:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:08:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:08:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:08:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:08:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:08:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:08:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:08:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:08:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 06:08:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:08:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:08:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:08:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:08:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:08:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:08:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:08:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:08:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:08:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:08:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:08:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:08:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:08:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:08:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:08:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:08:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:08:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:08:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:08:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-17 06:08:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 06:08:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:08:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 06:08:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 06:08:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-17 06:08:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:08:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 06:08:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:08:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:08:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:08:16,306 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:08:16,307 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:08:16,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:08:16 BoogieIcfgContainer [2019-09-17 06:08:16,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:08:16,309 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:08:16,309 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:08:16,309 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:08:16,311 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:08:16" (1/1) ... [2019-09-17 06:08:16,311 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 [2019-09-17 06:08:16,335 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:08:16,335 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:08:16,344 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:08:16,354 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:08:16,355 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:08:26,282 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 06:08:28,167 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:08:28,325 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:08:28,451 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:08:28,587 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:08:28,604 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-17 06:08:28,656 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-17 06:08:28,664 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-17 06:08:29,187 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:08:29,541 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:08:29,804 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:08:30,080 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:08:30,603 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:08:30,920 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:08:31,741 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-17 06:08:32,358 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-17 06:08:32,711 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:08:33,002 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:08:33,940 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-17 06:08:34,276 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-17 06:08:34,413 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-17 06:08:34,800 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-17 06:08:35,046 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-17 06:08:35,331 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-17 06:08:35,542 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-17 06:08:36,161 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-17 06:08:36,485 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-17 06:08:36,875 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 552 [2019-09-17 06:08:37,195 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-09-17 06:08:37,684 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-17 06:08:37,981 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-17 06:08:38,451 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-09-17 06:08:38,654 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-17 06:08:38,683 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-17 06:08:38,693 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-17 06:08:38,696 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-17 06:08:38,697 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:08:38,698 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:08:38,699 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 487#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-17 06:08:38,712 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:08:38,713 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:08:38,715 INFO L168 Benchmark]: Toolchain (without parser) took 24832.60 ms. Allocated memory was 133.7 MB in the beginning and 814.7 MB in the end (delta: 681.1 MB). Free memory was 87.8 MB in the beginning and 640.5 MB in the end (delta: -552.7 MB). Peak memory consumption was 128.3 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:38,716 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-17 06:08:38,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.87 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 87.6 MB in the beginning and 163.2 MB in the end (delta: -75.7 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:38,717 INFO L168 Benchmark]: Boogie Preprocessor took 97.46 ms. Allocated memory is still 200.3 MB. Free memory was 163.2 MB in the beginning and 159.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:38,718 INFO L168 Benchmark]: RCFGBuilder took 1555.85 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 159.0 MB in the beginning and 144.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:38,719 INFO L168 Benchmark]: Sifa took 22403.92 ms. Allocated memory was 226.0 MB in the beginning and 814.7 MB in the end (delta: 588.8 MB). Free memory was 144.2 MB in the beginning and 640.5 MB in the end (delta: -496.3 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:38,723 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 771.87 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 87.6 MB in the beginning and 163.2 MB in the end (delta: -75.7 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.46 ms. Allocated memory is still 200.3 MB. Free memory was 163.2 MB in the beginning and 159.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1555.85 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 159.0 MB in the beginning and 144.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. * Sifa took 22403.92 ms. Allocated memory was 226.0 MB in the beginning and 814.7 MB in the end (delta: 588.8 MB). Free memory was 144.2 MB in the beginning and 640.5 MB in the end (delta: -496.3 MB). Peak memory consumption was 92.5 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]: 22365, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 242, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 161, TOOLS_POST_TIME[ms]: 12034, TOOLS_POST_CALL_APPLICATIONS: 72, TOOLS_POST_CALL_TIME[ms]: 196, TOOLS_POST_RETURN_APPLICATIONS: 63, TOOLS_POST_RETURN_TIME[ms]: 133, TOOLS_QUANTIFIERELIM_APPLICATIONS: 296, TOOLS_QUANTIFIERELIM_TIME[ms]: 12251, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11909, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 248, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 77, DOMAIN_JOIN_TIME[ms]: 9281, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 379, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 22, DOMAIN_ISBOTTOM_APPLICATIONS: 45, DOMAIN_ISBOTTOM_TIME[ms]: 185, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9962, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9961, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 63, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12369, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12368, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 354, DAG_COMPRESSION_RETAINED_NODES: 208 - UnprovableResult [Line: 111]: 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 487#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...