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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 23:29:58,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 23:29:58,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 23:29:58,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 23:29:58,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 23:29:58,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 23:29:58,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 23:29:58,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 23:29:58,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 23:29:58,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 23:29:58,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 23:29:58,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 23:29:58,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 23:29:58,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 23:29:58,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 23:29:58,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 23:29:58,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 23:29:58,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 23:29:58,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 23:29:58,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 23:29:58,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 23:29:58,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 23:29:58,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 23:29:58,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 23:29:58,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 23:29:58,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 23:29:58,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 23:29:58,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 23:29:58,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 23:29:58,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 23:29:58,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 23:29:58,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 23:29:58,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 23:29:58,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 23:29:58,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 23:29:58,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 23:29:58,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 23:29:58,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 23:29:58,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 23:29:58,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 23:29:58,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 23:29:58,921 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 [2019-09-18 23:29:58,935 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 23:29:58,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 23:29:58,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 23:29:58,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 23:29:58,937 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 23:29:58,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 23:29:58,937 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 23:29:58,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 23:29:58,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 23:29:58,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 23:29:58,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 23:29:58,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 23:29:58,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 23:29:58,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 23:29:58,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 23:29:58,939 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 23:29:58,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 23:29:58,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 23:29:58,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 23:29:58,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 23:29:58,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 23:29:58,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 23:29:58,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 23:29:58,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 23:29:58,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 23:29:58,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 23:29:58,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 23:29:58,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 23:29:58,941 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 -> ReUseSupersetCallSummarizer 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_DDA [2019-09-18 23:29:58,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 23:29:58,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 23:29:58,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 23:29:58,991 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 23:29:58,991 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 23:29:58,992 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2019-09-18 23:29:59,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83ac83f62/ee813607eb574ca3a29b89760f28f7ef/FLAG2e0c49da5 [2019-09-18 23:29:59,583 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 23:29:59,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2019-09-18 23:29:59,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83ac83f62/ee813607eb574ca3a29b89760f28f7ef/FLAG2e0c49da5 [2019-09-18 23:29:59,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83ac83f62/ee813607eb574ca3a29b89760f28f7ef [2019-09-18 23:29:59,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 23:29:59,883 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 23:29:59,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 23:29:59,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 23:29:59,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 23:29:59,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:29:59" (1/1) ... [2019-09-18 23:29:59,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad02aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:29:59, skipping insertion in model container [2019-09-18 23:29:59,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:29:59" (1/1) ... [2019-09-18 23:29:59,898 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 23:29:59,958 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 23:30:00,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 23:30:00,403 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 23:30:00,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 23:30:00,541 INFO L192 MainTranslator]: Completed translation [2019-09-18 23:30:00,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:00 WrapperNode [2019-09-18 23:30:00,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 23:30:00,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 23:30:00,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 23:30:00,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 23:30:00,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:00" (1/1) ... [2019-09-18 23:30:00,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:00" (1/1) ... [2019-09-18 23:30:00,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:00" (1/1) ... [2019-09-18 23:30:00,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:00" (1/1) ... [2019-09-18 23:30:00,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:00" (1/1) ... [2019-09-18 23:30:00,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:00" (1/1) ... [2019-09-18 23:30:00,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:00" (1/1) ... [2019-09-18 23:30:00,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 23:30:00,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 23:30:00,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 23:30:00,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 23:30:00,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:00" (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 [2019-09-18 23:30:00,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 23:30:00,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 23:30:00,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 23:30:00,695 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 23:30:00,695 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 23:30:00,695 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 23:30:00,695 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 23:30:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 23:30:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 23:30:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 23:30:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 23:30:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 23:30:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 23:30:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 23:30:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 23:30:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 23:30:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 23:30:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 23:30:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 23:30:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 23:30:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 23:30:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 23:30:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 23:30:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 23:30:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 23:30:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 23:30:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-18 23:30:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 23:30:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-18 23:30:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 23:30:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 23:30:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 23:30:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 23:30:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 23:30:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 23:30:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 23:30:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-18 23:30:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 23:30:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 23:30:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 23:30:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 23:30:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 23:30:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 23:30:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 23:30:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 23:30:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 23:30:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 23:30:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 23:30:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 23:30:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 23:30:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 23:30:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 23:30:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 23:30:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 23:30:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 23:30:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 23:30:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 23:30:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 23:30:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 23:30:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 23:30:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 23:30:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 23:30:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 23:30:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 23:30:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 23:30:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 23:30:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 23:30:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 23:30:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 23:30:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 23:30:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 23:30:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 23:30:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 23:30:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 23:30:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 23:30:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 23:30:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 23:30:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 23:30:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 23:30:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 23:30:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 23:30:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 23:30:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-18 23:30:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 23:30:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-18 23:30:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 23:30:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-18 23:30:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 23:30:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 23:30:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 23:30:02,114 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 23:30:02,114 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 23:30:02,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:30:02 BoogieIcfgContainer [2019-09-18 23:30:02,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 23:30:02,116 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 23:30:02,116 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 23:30:02,117 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 23:30:02,118 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:30:02" (1/1) ... [2019-09-18 23:30:02,118 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 23:30:02,145 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 23:30:02,145 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 23:30:02,158 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 23:30:02,170 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 23:30:02,172 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 23:30:14,125 WARN L191 SmtUtils]: Spent 11.81 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-18 23:30:26,515 WARN L191 SmtUtils]: Spent 12.39 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-18 23:30:46,290 WARN L191 SmtUtils]: Spent 12.02 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 23:30:47,793 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 23:30:51,639 WARN L191 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 23:30:51,648 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 23:30:53,527 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:30:55,406 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:30:57,279 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:30:59,120 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:31:01,100 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 23:31:02,976 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 23:31:04,828 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:31:06,702 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:31:06,710 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 23:31:06,715 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 23:31:10,569 WARN L191 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 431 DAG size of output: 425 [2019-09-18 23:31:12,446 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 425 [2019-09-18 23:31:23,332 WARN L191 SmtUtils]: Spent 10.86 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-18 23:31:28,620 WARN L191 SmtUtils]: Spent 5.29 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 23:31:39,419 WARN L191 SmtUtils]: Spent 10.80 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-18 23:31:44,777 WARN L191 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 23:31:55,616 WARN L191 SmtUtils]: Spent 10.84 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-18 23:32:00,890 WARN L191 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 23:32:11,829 WARN L191 SmtUtils]: Spent 10.94 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-18 23:32:17,167 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 23:32:27,444 WARN L191 SmtUtils]: Spent 10.24 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-18 23:32:32,574 WARN L191 SmtUtils]: Spent 5.13 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 23:32:49,253 WARN L191 SmtUtils]: Spent 16.66 s on a formula simplification. DAG size of input: 465 DAG size of output: 461 [2019-09-18 23:32:56,445 WARN L191 SmtUtils]: Spent 7.19 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 23:32:57,879 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 434 DAG size of output: 1 [2019-09-18 23:33:11,386 WARN L191 SmtUtils]: Spent 13.50 s on a formula simplification. DAG size of input: 436 DAG size of output: 435 [2019-09-18 23:33:18,061 WARN L191 SmtUtils]: Spent 6.67 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 23:33:24,743 WARN L191 SmtUtils]: Spent 6.68 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 23:33:31,548 WARN L191 SmtUtils]: Spent 6.80 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 23:33:53,956 WARN L191 SmtUtils]: Spent 22.37 s on a formula simplification. DAG size of input: 492 DAG size of output: 482 [2019-09-18 23:34:04,243 WARN L191 SmtUtils]: Spent 10.29 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-18 23:34:09,658 WARN L191 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 23:34:29,732 WARN L191 SmtUtils]: Spent 20.06 s on a formula simplification. DAG size of input: 468 DAG size of output: 463 [2019-09-18 23:34:38,112 WARN L191 SmtUtils]: Spent 8.38 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 23:34:46,787 WARN L191 SmtUtils]: Spent 8.65 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-18 23:34:55,196 WARN L191 SmtUtils]: Spent 8.41 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-18 23:35:35,802 WARN L191 SmtUtils]: Spent 40.58 s on a formula simplification. DAG size of input: 512 DAG size of output: 508 [2019-09-18 23:35:36,919 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2019-09-18 23:35:37,131 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2019-09-18 23:35:37,425 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-18 23:35:37,835 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2019-09-18 23:35:38,202 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-18 23:35:38,361 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 23:35:38,840 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-09-18 23:35:38,987 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 23:35:39,190 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-18 23:35:39,680 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2019-09-18 23:35:40,025 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2019-09-18 23:35:50,436 WARN L191 SmtUtils]: Spent 10.20 s on a formula simplification. DAG size of input: 438 DAG size of output: 428 [2019-09-18 23:36:09,992 WARN L191 SmtUtils]: Spent 19.54 s on a formula simplification. DAG size of input: 468 DAG size of output: 463 [2019-09-18 23:36:18,037 WARN L191 SmtUtils]: Spent 8.04 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 23:36:31,827 WARN L191 SmtUtils]: Spent 13.73 s on a formula simplification. DAG size of input: 440 DAG size of output: 435 [2019-09-18 23:37:05,938 WARN L191 SmtUtils]: Spent 34.08 s on a formula simplification. DAG size of input: 504 DAG size of output: 487 [2019-09-18 23:37:21,704 WARN L191 SmtUtils]: Spent 15.76 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 23:37:32,495 WARN L191 SmtUtils]: Spent 10.74 s on a formula simplification. DAG size of input: 438 DAG size of output: 428 [2019-09-18 23:37:52,668 WARN L191 SmtUtils]: Spent 20.16 s on a formula simplification. DAG size of input: 468 DAG size of output: 463 [2019-09-18 23:38:01,161 WARN L191 SmtUtils]: Spent 8.49 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 23:38:18,621 WARN L191 SmtUtils]: Spent 17.41 s on a formula simplification. DAG size of input: 438 DAG size of output: 433 [2019-09-18 23:39:02,832 WARN L191 SmtUtils]: Spent 44.20 s on a formula simplification. DAG size of input: 508 DAG size of output: 502 [2019-09-18 23:39:03,194 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2019-09-18 23:39:03,499 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2019-09-18 23:39:03,766 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-18 23:39:04,027 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2019-09-18 23:39:04,373 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-18 23:39:04,513 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-18 23:39:04,832 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-18 23:39:04,978 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 23:39:05,182 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-18 23:39:05,600 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2019-09-18 23:39:05,937 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2019-09-18 23:39:06,285 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 39 [2019-09-18 23:39:06,544 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 39 [2019-09-18 23:39:06,775 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-18 23:39:07,019 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2019-09-18 23:39:07,393 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-18 23:39:07,558 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 23:39:08,038 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-09-18 23:39:08,186 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 23:39:08,370 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-18 23:39:08,831 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2019-09-18 23:39:09,178 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2019-09-18 23:39:09,185 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 19 for LOIs [2019-09-18 23:39:10,795 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 274 DAG size of output: 80 [2019-09-18 23:39:10,958 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 23:39:11,811 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 95 [2019-09-18 23:39:12,052 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 23:39:13,376 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 248 DAG size of output: 105 [2019-09-18 23:39:13,625 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 23:39:14,392 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2019-09-18 23:39:14,736 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-18 23:39:17,393 WARN L191 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 275 DAG size of output: 154 [2019-09-18 23:39:17,877 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-09-18 23:39:19,625 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 196 DAG size of output: 162 [2019-09-18 23:39:19,811 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 23:39:20,020 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 15 for LOIs [2019-09-18 23:39:20,033 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 22 for LOIs [2019-09-18 23:39:20,056 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 23:39:20,056 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 23:39:20,059 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 527#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-18 23:39:20,070 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 23:39:20,070 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 23:39:20,071 INFO L168 Benchmark]: Toolchain (without parser) took 560188.43 ms. Allocated memory was 132.6 MB in the beginning and 133.2 MB in the end (delta: 524.3 kB). Free memory was 87.1 MB in the beginning and 83.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-18 23:39:20,073 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory is still 106.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 23:39:20,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.98 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 87.1 MB in the beginning and 165.6 MB in the end (delta: -78.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-18 23:39:20,074 INFO L168 Benchmark]: Boogie Preprocessor took 90.40 ms. Allocated memory is still 200.3 MB. Free memory was 165.6 MB in the beginning and 161.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-18 23:39:20,075 INFO L168 Benchmark]: RCFGBuilder took 1481.08 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 161.0 MB in the beginning and 151.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. [2019-09-18 23:39:20,076 INFO L168 Benchmark]: Sifa took 557953.98 ms. Allocated memory was 223.9 MB in the beginning and 133.2 MB in the end (delta: -90.7 MB). Free memory was 151.1 MB in the beginning and 83.6 MB in the end (delta: 67.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 23:39:20,079 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 132.6 MB. Free memory is still 106.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.98 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 87.1 MB in the beginning and 165.6 MB in the end (delta: -78.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.40 ms. Allocated memory is still 200.3 MB. Free memory was 165.6 MB in the beginning and 161.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1481.08 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 161.0 MB in the beginning and 151.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. * Sifa took 557953.98 ms. Allocated memory was 223.9 MB in the beginning and 133.2 MB in the end (delta: -90.7 MB). Free memory was 151.1 MB in the beginning and 83.6 MB in the end (delta: 67.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 557914, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 243, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 163, TOOLS_POST_TIME[ms]: 159, TOOLS_POST_CALL_APPLICATIONS: 65, TOOLS_POST_CALL_TIME[ms]: 235, TOOLS_POST_RETURN_APPLICATIONS: 56, TOOLS_POST_RETURN_TIME[ms]: 25401, TOOLS_QUANTIFIERELIM_APPLICATIONS: 284, TOOLS_QUANTIFIERELIM_TIME[ms]: 25660, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25120, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 250, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 87, DOMAIN_JOIN_TIME[ms]: 469152, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 3948, DOMAIN_ISSUBSETEQ_APPLICATIONS: 59, DOMAIN_ISSUBSETEQ_TIME[ms]: 346, DOMAIN_ISBOTTOM_APPLICATIONS: 42, DOMAIN_ISBOTTOM_TIME[ms]: 321, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 20981, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 20980, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 56, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 172111, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 428, DAG_COMPRESSION_RETAINED_NODES: 237 - UnprovableResult [Line: 633]: 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 527#(and (<= ~pumpRunning~0 2147483647) (<= 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...