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_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:52:19,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:52:19,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:52:19,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:52:19,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:52:19,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:52:19,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:52:19,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:52:19,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:52:19,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:52:19,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:52:19,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:52:19,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:52:19,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:52:19,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:52:19,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:52:19,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:52:19,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:52:19,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:52:19,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:52:19,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:52:19,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:52:19,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:52:19,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:52:19,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:52:19,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:52:19,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:52:19,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:52:19,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:52:19,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:52:19,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:52:19,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:52:19,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:52:19,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:52:19,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:52:19,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:52:19,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:52:19,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:52:19,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:52:19,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:52:19,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:52:19,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:52:20,007 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:52:20,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:52:20,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:52:20,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:52:20,013 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:52:20,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:52:20,013 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:52:20,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:52:20,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:52:20,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:52:20,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:52:20,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:52:20,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:52:20,015 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:52:20,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:52:20,015 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:52:20,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:52:20,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:52:20,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:52:20,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:52:20,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:52:20,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:52:20,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:52:20,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:52:20,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:52:20,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:52:20,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:52:20,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:52:20,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:52:20,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:52:20,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:52:20,066 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:52:20,068 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:52:20,068 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:52:20,069 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2019-09-20 15:52:20,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c353ace9f/c5b6cfe6ed6b4b63b4cbc0265b04a13a/FLAG410253904 [2019-09-20 15:52:20,640 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:52:20,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2019-09-20 15:52:20,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c353ace9f/c5b6cfe6ed6b4b63b4cbc0265b04a13a/FLAG410253904 [2019-09-20 15:52:20,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c353ace9f/c5b6cfe6ed6b4b63b4cbc0265b04a13a [2019-09-20 15:52:20,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:52:20,895 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:52:20,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:20,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:52:20,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:52:20,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:20" (1/1) ... [2019-09-20 15:52:20,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c9a76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:20, skipping insertion in model container [2019-09-20 15:52:20,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:20" (1/1) ... [2019-09-20 15:52:20,915 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:52:20,980 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:52:21,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:21,407 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:52:21,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:21,562 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:52:21,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:21 WrapperNode [2019-09-20 15:52:21,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:21,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:52:21,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:52:21,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:52:21,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:21" (1/1) ... [2019-09-20 15:52:21,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:21" (1/1) ... [2019-09-20 15:52:21,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:21" (1/1) ... [2019-09-20 15:52:21,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:21" (1/1) ... [2019-09-20 15:52:21,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:21" (1/1) ... [2019-09-20 15:52:21,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:21" (1/1) ... [2019-09-20 15:52:21,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:21" (1/1) ... [2019-09-20 15:52:21,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:52:21,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:52:21,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:52:21,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:52:21,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:52:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:52:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:52:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:52:21,739 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:52:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:52:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:52:21,741 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:52:21,741 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:52:21,741 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:52:21,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:52:21,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:52:21,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:52:21,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:52:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:52:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:52:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:52:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:52:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:52:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:52:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:52:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:52:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:52:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:52:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:52:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:52:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:52:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:52:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:52:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:52:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:52:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:52:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:52:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:52:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:52:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:52:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:52:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:52:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:52:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:52:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:52:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:52:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:52:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:52:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:52:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:52:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:52:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:52:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:52:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:52:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:52:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:52:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:52:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:52:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:52:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:52:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:52:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:52:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:52:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:52:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:52:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:52:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:52:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:52:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:52:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:52:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:52:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:52:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:52:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:52:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:52:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:52:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:52:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:52:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:52:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:52:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:52:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:52:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:52:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:52:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:52:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:52:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:52:23,323 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:52:23,323 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:52:23,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:23 BoogieIcfgContainer [2019-09-20 15:52:23,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:52:23,325 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:52:23,325 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:52:23,325 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:52:23,327 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:23" (1/1) ... [2019-09-20 15:52:23,328 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:52:23,366 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:52:23,367 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:52:23,380 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:52:23,392 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:52:23,394 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:52:32,538 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:52:34,231 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:52:34,377 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:34,514 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:34,640 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:34,655 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:52:34,702 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:52:34,708 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:52:34,888 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:52:35,034 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:52:35,472 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:35,849 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:36,124 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:36,396 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:36,598 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:36,780 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:37,028 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:37,238 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:37,627 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:37,957 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:38,751 WARN L191 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:52:39,319 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:52:39,833 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:40,105 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:40,941 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-20 15:52:41,594 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:52:41,917 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:52:42,489 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:42,997 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:44,488 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:52:45,210 WARN L191 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:52:45,540 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:45,826 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:47,698 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 548 [2019-09-20 15:52:47,810 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 22 for LOIs [2019-09-20 15:52:47,863 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:52:47,874 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-20 15:52:47,878 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-20 15:52:47,881 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:52:47,881 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:52:47,883 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 524#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:52:47,897 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:52:47,897 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:52:47,900 INFO L168 Benchmark]: Toolchain (without parser) took 27004.53 ms. Allocated memory was 133.2 MB in the beginning and 789.6 MB in the end (delta: 656.4 MB). Free memory was 88.3 MB in the beginning and 417.3 MB in the end (delta: -329.0 MB). Peak memory consumption was 327.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:47,902 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:52:47,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.51 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 166.3 MB in the end (delta: -78.3 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:47,910 INFO L168 Benchmark]: Boogie Preprocessor took 88.80 ms. Allocated memory is still 199.8 MB. Free memory was 166.3 MB in the beginning and 162.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:47,911 INFO L168 Benchmark]: RCFGBuilder took 1672.44 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 162.2 MB in the beginning and 147.4 MB in the end (delta: 14.8 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:47,918 INFO L168 Benchmark]: Sifa took 24572.59 ms. Allocated memory was 224.9 MB in the beginning and 789.6 MB in the end (delta: 564.7 MB). Free memory was 147.4 MB in the beginning and 417.3 MB in the end (delta: -269.9 MB). Peak memory consumption was 294.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:47,921 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.51 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 166.3 MB in the end (delta: -78.3 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.80 ms. Allocated memory is still 199.8 MB. Free memory was 166.3 MB in the beginning and 162.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1672.44 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 162.2 MB in the beginning and 147.4 MB in the end (delta: 14.8 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. * Sifa took 24572.59 ms. Allocated memory was 224.9 MB in the beginning and 789.6 MB in the end (delta: 564.7 MB). Free memory was 147.4 MB in the beginning and 417.3 MB in the end (delta: -269.9 MB). Peak memory consumption was 294.7 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]: 24517, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 255, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 169, TOOLS_POST_TIME[ms]: 11005, TOOLS_POST_CALL_APPLICATIONS: 73, TOOLS_POST_CALL_TIME[ms]: 221, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME[ms]: 121, TOOLS_QUANTIFIERELIM_APPLICATIONS: 306, TOOLS_QUANTIFIERELIM_TIME[ms]: 11217, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10885, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 261, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 87, DOMAIN_JOIN_TIME[ms]: 12779, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 12, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 48, DOMAIN_ISBOTTOM_TIME[ms]: 188, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 667, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 666, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11338, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11336, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 429, DAG_COMPRESSION_RETAINED_NODES: 235 - UnprovableResult [Line: 643]: 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 524#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~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...