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 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:52:01,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:52:01,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:52:01,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:52:01,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:52:01,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:52:01,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:52:01,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:52:01,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:52:01,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:52:01,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:52:01,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:52:01,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:52:01,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:52:01,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:52:01,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:52:01,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:52:01,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:52:01,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:52:01,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:52:01,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:52:01,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:52:01,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:52:01,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:52:01,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:52:01,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:52:01,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:52:01,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:52:01,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:52:01,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:52:01,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:52:01,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:52:01,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:52:01,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:52:01,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:52:01,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:52:01,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:52:01,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:52:01,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:52:01,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:52:01,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:52:01,759 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 17:52:01,779 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:52:01,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:52:01,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:52:01,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:52:01,782 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:52:01,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:52:01,783 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:52:01,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:52:01,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:52:01,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:52:01,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:52:01,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:52:01,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:52:01,785 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:52:01,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:52:01,785 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:52:01,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:52:01,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:52:01,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:52:01,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:52:01,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:52:01,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:52:01,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:52:01,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:52:01,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:52:01,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:52:01,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:52:01,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:52:01,788 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 -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:52:01,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:52:01,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:52:01,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:52:01,863 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:52:01,863 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:52:01,864 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product08.cil.c [2019-09-25 17:52:01,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4649866e/666f85d47a3f47f19f59e84888d75c0d/FLAG192482068 [2019-09-25 17:52:02,508 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:52:02,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product08.cil.c [2019-09-25 17:52:02,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4649866e/666f85d47a3f47f19f59e84888d75c0d/FLAG192482068 [2019-09-25 17:52:02,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4649866e/666f85d47a3f47f19f59e84888d75c0d [2019-09-25 17:52:02,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:52:02,854 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:52:02,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:52:02,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:52:02,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:52:02,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:52:02" (1/1) ... [2019-09-25 17:52:02,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a029f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:02, skipping insertion in model container [2019-09-25 17:52:02,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:52:02" (1/1) ... [2019-09-25 17:52:02,868 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:52:02,920 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:52:03,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:52:03,427 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:52:03,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:52:03,537 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:52:03,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:03 WrapperNode [2019-09-25 17:52:03,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:52:03,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:52:03,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:52:03,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:52:03,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:03" (1/1) ... [2019-09-25 17:52:03,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:03" (1/1) ... [2019-09-25 17:52:03,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:03" (1/1) ... [2019-09-25 17:52:03,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:03" (1/1) ... [2019-09-25 17:52:03,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:03" (1/1) ... [2019-09-25 17:52:03,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:03" (1/1) ... [2019-09-25 17:52:03,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:03" (1/1) ... [2019-09-25 17:52:03,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:52:03,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:52:03,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:52:03,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:52:03,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:03" (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 17:52:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:52:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:52:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:52:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:52:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:52:03,713 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:52:03,713 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:52:03,713 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:52:03,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:52:03,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:52:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:52:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 17:52:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 17:52:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:52:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:52:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:52:03,715 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:52:03,715 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:52:03,715 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:52:03,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:52:03,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:52:03,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:52:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:52:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-25 17:52:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-25 17:52:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-25 17:52:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:52:03,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:52:03,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:52:03,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:52:03,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:52:03,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:52:03,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:52:03,717 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:52:03,718 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:52:03,718 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:52:03,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:52:03,718 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:52:03,718 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:52:03,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:52:03,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:52:03,719 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:52:03,719 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:52:03,719 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:52:03,719 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:52:03,719 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:52:03,719 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:52:03,720 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:52:03,720 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:52:03,720 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:52:03,720 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 17:52:03,720 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 17:52:03,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-25 17:52:03,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-25 17:52:03,721 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:52:03,721 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:52:03,721 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:52:03,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:52:03,721 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:52:03,722 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:52:03,722 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:52:03,722 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:52:03,722 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:52:03,722 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:52:03,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-25 17:52:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:52:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:52:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:52:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:52:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:52:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:52:03,724 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:52:03,724 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:52:03,724 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:52:03,724 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:52:03,724 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:52:03,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:52:03,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:52:03,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:52:03,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:52:03,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:52:03,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:52:03,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:52:03,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:52:03,726 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:52:03,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:52:03,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:52:03,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:52:03,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:52:03,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:52:03,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:52:03,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:52:05,268 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:52:05,269 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:52:05,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:52:05 BoogieIcfgContainer [2019-09-25 17:52:05,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:52:05,271 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:52:05,271 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:52:05,272 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:52:05,273 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:52:05" (1/1) ... [2019-09-25 17:52:05,274 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ 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=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:52:05,303 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:52:05,303 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:52:05,316 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:52:05,337 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:52:05,339 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:52:15,614 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 17:52:17,611 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:52:17,769 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:52:17,930 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:52:18,057 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:52:18,085 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-25 17:52:18,142 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-25 17:52:18,159 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-25 17:52:18,786 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-25 17:52:19,248 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-25 17:52:19,555 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-25 17:52:19,862 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-25 17:52:20,062 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-25 17:52:20,349 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-25 17:52:20,709 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-25 17:52:21,354 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-25 17:52:21,754 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-25 17:52:22,619 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-25 17:52:22,726 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-25 17:52:23,043 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-25 17:52:23,372 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 535 [2019-09-25 17:52:23,623 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 535 [2019-09-25 17:52:24,172 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 528 [2019-09-25 17:52:24,956 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-25 17:52:25,190 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-25 17:52:25,407 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-25 17:52:25,617 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-25 17:52:25,838 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-25 17:52:26,069 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-25 17:52:26,280 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:52:26,283 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-25 17:52:26,332 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 63 for LOIs [2019-09-25 17:52:26,337 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 17:52:26,345 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:52:26,345 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:52:26,347 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 617#(and (= |#t~string50.offset| 0) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (= |#t~string56.offset| 0) (= |#t~string7.offset| 0) (= |#t~string47.offset| 0) (= |#t~string15.offset| 0) (= |#t~string57.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string46.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (= |#t~string45.offset| 0) (= |#t~string11.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0)) [2019-09-25 17:52:26,358 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:52:26,358 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:52:26,360 INFO L168 Benchmark]: Toolchain (without parser) took 23505.56 ms. Allocated memory was 131.1 MB in the beginning and 717.8 MB in the end (delta: 586.7 MB). Free memory was 85.9 MB in the beginning and 366.8 MB in the end (delta: -280.9 MB). Peak memory consumption was 305.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:52:26,361 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:52:26,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.71 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 85.7 MB in the beginning and 162.8 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:52:26,363 INFO L168 Benchmark]: Boogie Preprocessor took 91.98 ms. Allocated memory is still 198.2 MB. Free memory was 162.8 MB in the beginning and 158.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:52:26,364 INFO L168 Benchmark]: RCFGBuilder took 1640.20 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 158.3 MB in the beginning and 146.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 92.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:52:26,365 INFO L168 Benchmark]: Sifa took 21087.26 ms. Allocated memory was 219.2 MB in the beginning and 717.8 MB in the end (delta: 498.6 MB). Free memory was 146.1 MB in the beginning and 366.8 MB in the end (delta: -220.8 MB). Peak memory consumption was 277.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:52:26,369 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.71 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 85.7 MB in the beginning and 162.8 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.98 ms. Allocated memory is still 198.2 MB. Free memory was 162.8 MB in the beginning and 158.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1640.20 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 158.3 MB in the beginning and 146.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 92.9 MB. Max. memory is 7.1 GB. * Sifa took 21087.26 ms. Allocated memory was 219.2 MB in the beginning and 717.8 MB in the end (delta: 498.6 MB). Free memory was 146.1 MB in the beginning and 366.8 MB in the end (delta: -220.8 MB). Peak memory consumption was 277.8 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]: 21044, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 195, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 134, TOOLS_POST_TIME[ms]: 12491, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 165, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 87, TOOLS_QUANTIFIERELIM_APPLICATIONS: 240, TOOLS_QUANTIFIERELIM_TIME[ms]: 12623, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12348, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 197, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 75, DOMAIN_JOIN_TIME[ms]: 7562, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 251, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 45, DOMAIN_ISBOTTOM_TIME[ms]: 285, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6370, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6370, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12833, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12832, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 49, DAG_COMPRESSION_PROCESSED_NODES: 487, DAG_COMPRESSION_RETAINED_NODES: 202 - UnprovableResult [Line: 840]: 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 617#(and (= |#t~string50.offset| 0) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (= |#t~string56.offset| 0) (= |#t~string7.offset| 0) (= |#t~string47.offset| 0) (= |#t~string15.offset| 0) (= |#t~string57.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string46.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (= |#t~string45.offset| 0) (= |#t~string11.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...