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_spec4_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:09:02,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:09:02,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:09:02,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:09:02,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:09:02,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:09:02,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:09:02,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:09:02,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:09:02,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:09:02,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:09:02,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:09:02,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:09:02,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:09:02,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:09:02,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:09:02,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:09:02,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:09:02,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:09:02,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:09:02,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:09:02,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:09:02,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:09:02,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:09:02,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:09:02,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:09:02,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:09:02,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:09:02,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:09:02,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:09:02,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:09:02,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:09:02,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:09:02,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:09:02,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:09:02,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:09:02,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:09:02,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:09:02,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:09:02,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:09:02,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:09:02,807 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 17:09:02,821 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:09:02,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:09:02,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:09:02,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:09:02,823 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:09:02,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:09:02,824 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:09:02,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:09:02,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:09:02,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:09:02,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:09:02,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:09:02,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:09:02,825 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:09:02,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:09:02,825 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:09:02,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:09:02,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:09:02,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:09:02,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:09:02,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:09:02,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:09:02,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:09:02,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:09:02,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:09:02,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:09:02,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:09:02,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:09:02,828 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 17:09:02,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:09:02,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:09:02,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:09:02,873 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:09:02,873 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:09:02,874 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2019-09-25 17:09:02,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a49352252/d9cbeef3744d406e9212de694ae6fc93/FLAG46754c445 [2019-09-25 17:09:03,403 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:09:03,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2019-09-25 17:09:03,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a49352252/d9cbeef3744d406e9212de694ae6fc93/FLAG46754c445 [2019-09-25 17:09:03,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a49352252/d9cbeef3744d406e9212de694ae6fc93 [2019-09-25 17:09:03,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:09:03,730 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:09:03,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:09:03,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:09:03,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:09:03,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:09:03" (1/1) ... [2019-09-25 17:09:03,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4f7f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:03, skipping insertion in model container [2019-09-25 17:09:03,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:09:03" (1/1) ... [2019-09-25 17:09:03,749 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:09:03,788 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:09:04,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:09:04,184 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:09:04,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:09:04,346 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:09:04,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:04 WrapperNode [2019-09-25 17:09:04,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:09:04,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:09:04,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:09:04,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:09:04,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:04" (1/1) ... [2019-09-25 17:09:04,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:04" (1/1) ... [2019-09-25 17:09:04,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:04" (1/1) ... [2019-09-25 17:09:04,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:04" (1/1) ... [2019-09-25 17:09:04,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:04" (1/1) ... [2019-09-25 17:09:04,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:04" (1/1) ... [2019-09-25 17:09:04,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:04" (1/1) ... [2019-09-25 17:09:04,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:09:04,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:09:04,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:09:04,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:09:04,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:04" (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 17:09:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:09:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:09:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:09:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:09:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:09:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:09:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:09:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:09:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:09:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:09:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:09:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:09:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:09:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:09:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:09:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 17:09:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:09:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:09:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:09:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:09:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:09:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:09:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:09:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:09:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:09:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:09:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:09:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:09:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:09:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:09:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:09:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:09:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:09:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:09:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:09:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:09:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:09:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:09:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:09:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:09:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:09:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:09:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:09:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:09:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:09:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:09:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:09:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:09:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:09:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:09:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:09:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 17:09:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:09:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:09:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:09:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:09:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:09:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:09:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:09:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:09:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:09:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:09:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:09:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:09:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:09:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:09:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:09:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:09:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:09:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:09:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:09:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:09:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:09:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:09:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:09:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:09:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:09:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:09:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:09:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:09:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:09:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:09:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:09:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:09:06,045 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:09:06,045 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:09:06,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:09:06 BoogieIcfgContainer [2019-09-25 17:09:06,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:09:06,048 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:09:06,048 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:09:06,048 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:09:06,049 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:09:06" (1/1) ... [2019-09-25 17:09:06,050 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 17:09:06,083 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:09:06,086 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:09:06,097 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:09:06,108 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:09:06,109 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:09:13,263 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 17:09:14,920 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:09:15,088 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:09:15,217 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:09:15,366 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:09:15,389 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-25 17:09:15,453 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-25 17:09:15,459 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-25 17:09:16,075 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-25 17:09:16,475 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-25 17:09:16,662 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-25 17:09:16,796 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-25 17:09:17,037 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-25 17:09:17,232 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-25 17:09:17,516 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 17:09:17,638 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 17:09:17,998 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-25 17:09:18,233 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-25 17:09:18,713 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-25 17:09:18,781 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 3 for LOIs [2019-09-25 17:09:18,805 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-25 17:09:18,811 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-25 17:09:18,814 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-25 17:09:18,815 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:09:18,815 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:09:18,817 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 459#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-25 17:09:18,830 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:09:18,830 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:09:18,832 INFO L168 Benchmark]: Toolchain (without parser) took 15101.83 ms. Allocated memory was 132.6 MB in the beginning and 417.9 MB in the end (delta: 285.2 MB). Free memory was 86.4 MB in the beginning and 218.2 MB in the end (delta: -131.9 MB). Peak memory consumption was 153.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:18,833 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-25 17:09:18,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.38 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 85.9 MB in the beginning and 170.1 MB in the end (delta: -84.2 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:18,834 INFO L168 Benchmark]: Boogie Preprocessor took 100.84 ms. Allocated memory is still 200.8 MB. Free memory was 170.1 MB in the beginning and 165.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:18,835 INFO L168 Benchmark]: RCFGBuilder took 1597.18 ms. Allocated memory was 200.8 MB in the beginning and 224.9 MB in the end (delta: 24.1 MB). Free memory was 165.3 MB in the beginning and 156.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:18,837 INFO L168 Benchmark]: Sifa took 12782.14 ms. Allocated memory was 224.9 MB in the beginning and 417.9 MB in the end (delta: 192.9 MB). Free memory was 156.9 MB in the beginning and 218.2 MB in the end (delta: -61.3 MB). Peak memory consumption was 131.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:18,842 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 613.38 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 85.9 MB in the beginning and 170.1 MB in the end (delta: -84.2 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.84 ms. Allocated memory is still 200.8 MB. Free memory was 170.1 MB in the beginning and 165.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1597.18 ms. Allocated memory was 200.8 MB in the beginning and 224.9 MB in the end (delta: 24.1 MB). Free memory was 165.3 MB in the beginning and 156.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. * Sifa took 12782.14 ms. Allocated memory was 224.9 MB in the beginning and 417.9 MB in the end (delta: 192.9 MB). Free memory was 156.9 MB in the beginning and 218.2 MB in the end (delta: -61.3 MB). Peak memory consumption was 131.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 12735, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 175, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 121, TOOLS_POST_TIME[ms]: 8988, TOOLS_POST_CALL_APPLICATIONS: 47, TOOLS_POST_CALL_TIME[ms]: 136, TOOLS_POST_RETURN_APPLICATIONS: 38, TOOLS_POST_RETURN_TIME[ms]: 62, TOOLS_QUANTIFIERELIM_APPLICATIONS: 206, TOOLS_QUANTIFIERELIM_TIME[ms]: 9079, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 8883, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 180, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 61, DOMAIN_JOIN_TIME[ms]: 2877, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 354, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 38, DOMAIN_ISBOTTOM_TIME[ms]: 138, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3290, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3290, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 38, CALL_SUMMARIZER_CACHE_MISSES: 15, CALL_SUMMARIZER_OVERALL_TIME[ms]: 9259, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9258, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 398, DAG_COMPRESSION_RETAINED_NODES: 162 - UnprovableResult [Line: 44]: 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 459#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...