java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:05:54,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:05:54,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:05:54,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:05:54,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:05:54,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:05:54,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:05:54,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:05:54,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:05:54,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:05:54,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:05:54,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:05:54,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:05:54,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:05:54,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:05:54,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:05:54,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:05:54,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:05:54,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:05:54,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:05:54,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:05:54,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:05:54,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:05:54,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:05:54,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:05:54,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:05:54,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:05:54,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:05:54,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:05:54,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:05:54,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:05:54,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:05:54,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:05:54,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:05:54,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:05:54,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:05:54,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:05:54,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:05:54,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:05:54,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:05:54,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:05:54,792 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-25 17:05:54,819 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:05:54,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:05:54,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:05:54,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:05:54,821 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:05:54,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:05:54,822 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:05:54,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:05:54,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:05:54,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:05:54,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:05:54,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:05:54,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:05:54,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:05:54,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:05:54,825 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:05:54,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:05:54,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:05:54,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:05:54,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:05:54,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:05:54,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:05:54,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:05:54,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:05:54,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:05:54,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:05:54,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:05:54,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:05:54,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:05:54,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:05:54,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:05:54,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:05:54,923 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:05:54,923 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:05:54,924 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2019-09-25 17:05:54,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c00a306/3bba0c0583e8461aace14d53456e56bb/FLAG215ea686d [2019-09-25 17:05:55,501 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:05:55,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2019-09-25 17:05:55,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c00a306/3bba0c0583e8461aace14d53456e56bb/FLAG215ea686d [2019-09-25 17:05:55,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c00a306/3bba0c0583e8461aace14d53456e56bb [2019-09-25 17:05:55,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:05:55,825 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:05:55,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:05:55,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:05:55,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:05:55,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:05:55" (1/1) ... [2019-09-25 17:05:55,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2294aade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:05:55, skipping insertion in model container [2019-09-25 17:05:55,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:05:55" (1/1) ... [2019-09-25 17:05:55,846 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:05:55,892 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:05:56,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:05:56,352 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:05:56,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:05:56,475 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:05:56,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:05:56 WrapperNode [2019-09-25 17:05:56,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:05:56,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:05:56,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:05:56,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:05:56,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:05:56" (1/1) ... [2019-09-25 17:05:56,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:05:56" (1/1) ... [2019-09-25 17:05:56,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:05:56" (1/1) ... [2019-09-25 17:05:56,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:05:56" (1/1) ... [2019-09-25 17:05:56,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:05:56" (1/1) ... [2019-09-25 17:05:56,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:05:56" (1/1) ... [2019-09-25 17:05:56,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:05:56" (1/1) ... [2019-09-25 17:05:56,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:05:56,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:05:56,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:05:56,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:05:56,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:05:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:05:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:05:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:05:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:05:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:05:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:05:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:05:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:05:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:05:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:05:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:05:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:05:56,618 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:05:56,618 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 17:05:56,618 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 17:05:56,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:05:56,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:05:56,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:05:56,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:05:56,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:05:56,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:05:56,619 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:05:56,619 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:05:56,619 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:05:56,620 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:05:56,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:05:56,620 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:05:56,620 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:05:56,620 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:05:56,620 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:05:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:05:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-25 17:05:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:05:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:05:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:05:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:05:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:05:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:05:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:05:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:05:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:05:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:05:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:05:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 17:05:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 17:05:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:05:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:05:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:05:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:05:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:05:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:05:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:05:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:05:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:05:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:05:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-25 17:05:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:05:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:05:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:05:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:05:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:05:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:05:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:05:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:05:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:05:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:05:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:05:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:05:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:05:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:05:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:05:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:05:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:05:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:05:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:05:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:05:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:05:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:05:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:05:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:05:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:05:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:05:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:05:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:05:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:05:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:05:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:05:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:05:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:05:58,142 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:05:58,142 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:05:58,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:05:58 BoogieIcfgContainer [2019-09-25 17:05:58,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:05:58,145 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:05:58,145 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:05:58,145 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:05:58,147 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:05:58" (1/1) ... [2019-09-25 17:05:58,147 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:05:58,175 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:05:58,175 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:05:58,184 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:05:58,195 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:05:58,197 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:06:09,210 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 17:06:11,053 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:06:11,204 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:06:11,368 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:06:11,509 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:06:11,536 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-25 17:06:11,586 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-25 17:06:11,592 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-25 17:06:12,134 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-25 17:06:12,504 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-25 17:06:12,836 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-25 17:06:13,158 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-25 17:06:17,558 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:06:17,562 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 69 for LOIs [2019-09-25 17:06:17,616 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 63 for LOIs [2019-09-25 17:06:17,620 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 77 for LOIs [2019-09-25 17:06:17,628 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:06:17,628 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:06:17,630 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1382#(and (= |#t~string50.offset| 0) (= |#t~string21.offset| 0) (= |#t~string49.offset| 0) (= |#t~string44.offset| 0) (= |#t~string7.offset| 0) (= |#t~string42.offset| 0) (= |#t~string15.offset| 0) (= |#t~string54.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string52.offset| 0) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string51.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string70.offset| 0) (= |#t~string45.offset| 0) (= |#t~string11.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string53.offset| 0)) [2019-09-25 17:06:17,644 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:06:17,644 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:06:17,646 INFO L168 Benchmark]: Toolchain (without parser) took 21820.16 ms. Allocated memory was 138.4 MB in the beginning and 638.1 MB in the end (delta: 499.6 MB). Free memory was 85.3 MB in the beginning and 156.6 MB in the end (delta: -71.3 MB). Peak memory consumption was 428.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:06:17,647 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 17:06:17,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.75 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.3 MB in the beginning and 166.4 MB in the end (delta: -81.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:06:17,649 INFO L168 Benchmark]: Boogie Preprocessor took 80.32 ms. Allocated memory is still 198.7 MB. Free memory was 166.4 MB in the beginning and 161.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:06:17,650 INFO L168 Benchmark]: RCFGBuilder took 1586.69 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 161.7 MB in the beginning and 151.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:06:17,652 INFO L168 Benchmark]: Sifa took 19499.38 ms. Allocated memory was 220.2 MB in the beginning and 638.1 MB in the end (delta: 417.9 MB). Free memory was 151.7 MB in the beginning and 156.6 MB in the end (delta: -4.9 MB). Peak memory consumption was 413.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:06:17,667 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.75 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.3 MB in the beginning and 166.4 MB in the end (delta: -81.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.32 ms. Allocated memory is still 198.7 MB. Free memory was 166.4 MB in the beginning and 161.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1586.69 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 161.7 MB in the beginning and 151.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. * Sifa took 19499.38 ms. Allocated memory was 220.2 MB in the beginning and 638.1 MB in the end (delta: 417.9 MB). Free memory was 151.7 MB in the beginning and 156.6 MB in the end (delta: -4.9 MB). Peak memory consumption was 413.0 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]: 19456, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 487, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 348, TOOLS_POST_TIME[ms]: 13083, TOOLS_POST_CALL_APPLICATIONS: 118, TOOLS_POST_CALL_TIME[ms]: 157, TOOLS_POST_RETURN_APPLICATIONS: 111, TOOLS_POST_RETURN_TIME[ms]: 96, TOOLS_QUANTIFIERELIM_APPLICATIONS: 576, TOOLS_QUANTIFIERELIM_TIME[ms]: 13184, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12933, FLUID_QUERY_TIME[ms]: 20, FLUID_QUERIES: 502, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 217, DOMAIN_JOIN_TIME[ms]: 5429, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 145, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME[ms]: 35, DOMAIN_ISBOTTOM_APPLICATIONS: 111, DOMAIN_ISBOTTOM_TIME[ms]: 307, LOOP_SUMMARIZER_APPLICATIONS: 14, LOOP_SUMMARIZER_CACHE_MISSES: 14, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4158, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4156, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 111, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13356, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13355, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 50, DAG_COMPRESSION_PROCESSED_NODES: 1601, DAG_COMPRESSION_RETAINED_NODES: 328 - UnprovableResult [Line: 687]: 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 1382#(and (= |#t~string50.offset| 0) (= |#t~string21.offset| 0) (= |#t~string49.offset| 0) (= |#t~string44.offset| 0) (= |#t~string7.offset| 0) (= |#t~string42.offset| 0) (= |#t~string15.offset| 0) (= |#t~string54.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string52.offset| 0) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string51.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string70.offset| 0) (= |#t~string45.offset| 0) (= |#t~string11.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string53.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...