java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:35:02,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:35:02,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:35:02,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:35:02,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:35:02,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:35:02,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:35:02,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:35:02,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:35:02,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:35:02,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:35:02,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:35:02,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:35:02,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:35:02,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:35:02,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:35:02,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:35:02,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:35:02,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:35:02,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:35:02,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:35:02,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:35:02,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:35:02,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:35:02,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:35:02,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:35:02,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:35:02,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:35:02,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:35:02,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:35:02,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:35:02,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:35:02,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:35:02,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:35:02,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:35:02,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:35:02,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:35:02,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:35:02,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:35:02,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:35:02,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:35:02,720 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 [2019-09-21 08:35:02,746 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:35:02,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:35:02,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:35:02,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:35:02,749 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:35:02,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:35:02,749 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:35:02,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:35:02,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:35:02,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:35:02,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:35:02,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:35:02,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:35:02,751 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:35:02,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:35:02,752 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:35:02,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:35:02,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:35:02,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:35:02,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:35:02,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:35:02,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:35:02,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:35:02,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:35:02,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:35:02,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:35:02,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:35:02,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:35:02,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 08:35:02,788 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:35:02,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:35:02,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:35:02,805 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:35:02,806 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:35:02,806 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2019-09-21 08:35:02,866 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cd674907/03a3ca05a4b44b74bf69a0fca50c37e4/FLAG0131b9b78 [2019-09-21 08:35:03,410 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:35:03,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2019-09-21 08:35:03,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cd674907/03a3ca05a4b44b74bf69a0fca50c37e4/FLAG0131b9b78 [2019-09-21 08:35:03,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cd674907/03a3ca05a4b44b74bf69a0fca50c37e4 [2019-09-21 08:35:03,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:35:03,712 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:35:03,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:35:03,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:35:03,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:35:03,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:35:03" (1/1) ... [2019-09-21 08:35:03,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a551e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:03, skipping insertion in model container [2019-09-21 08:35:03,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:35:03" (1/1) ... [2019-09-21 08:35:03,728 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:35:03,791 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:35:04,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:35:04,185 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:35:04,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:35:04,304 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:35:04,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:04 WrapperNode [2019-09-21 08:35:04,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:35:04,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:35:04,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:35:04,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:35:04,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:04" (1/1) ... [2019-09-21 08:35:04,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:04" (1/1) ... [2019-09-21 08:35:04,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:04" (1/1) ... [2019-09-21 08:35:04,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:04" (1/1) ... [2019-09-21 08:35:04,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:04" (1/1) ... [2019-09-21 08:35:04,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:04" (1/1) ... [2019-09-21 08:35:04,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:04" (1/1) ... [2019-09-21 08:35:04,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:35:04,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:35:04,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:35:04,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:35:04,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:04" (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 [2019-09-21 08:35:04,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:35:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:35:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:35:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-21 08:35:04,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:35:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:35:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:35:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:35:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:35:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:35:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:35:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:35:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:35:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:35:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:35:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:35:04,480 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:35:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:35:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-21 08:35:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:35:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:35:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:35:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:35:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:35:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:35:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:35:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:35:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:35:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:35:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:35:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:35:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:35:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:35:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:35:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:35:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:35:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:35:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:35:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:35:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:35:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:35:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:35:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-21 08:35:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:35:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:35:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:35:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:35:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:35:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:35:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:35:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:35:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:35:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:35:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:35:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:35:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:35:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:35:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:35:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:35:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:35:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:35:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:35:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:35:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:35:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:35:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:35:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:35:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:35:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:35:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:35:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:35:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:35:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:35:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:35:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:35:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:35:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:35:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:35:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:35:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:35:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-21 08:35:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:35:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:35:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:35:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:35:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:35:06,078 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:35:06,079 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:35:06,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:35:06 BoogieIcfgContainer [2019-09-21 08:35:06,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:35:06,081 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:35:06,081 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:35:06,082 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:35:06,083 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:35:06" (1/1) ... [2019-09-21 08:35:06,084 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:35:06,109 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:35:06,110 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:35:06,119 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:35:06,131 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:35:06,132 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:35:15,849 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 08:35:17,447 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:35:17,584 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:35:17,709 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:35:17,837 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:35:17,857 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-21 08:35:17,913 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-21 08:35:17,918 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-21 08:35:18,454 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-21 08:35:18,864 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-21 08:35:19,201 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2019-09-21 08:35:19,626 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2019-09-21 08:35:20,287 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:35:20,710 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:35:21,064 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:35:21,398 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:35:22,071 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:35:22,651 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:35:23,547 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 528 [2019-09-21 08:35:23,892 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-21 08:35:24,331 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-21 08:35:24,680 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-21 08:35:25,287 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 524 [2019-09-21 08:35:25,695 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-21 08:35:26,761 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 539 [2019-09-21 08:35:27,315 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2019-09-21 08:35:28,037 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-21 08:35:28,709 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-21 08:35:29,403 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-21 08:35:30,075 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-21 08:35:31,081 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-09-21 08:35:31,929 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-09-21 08:35:33,263 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 552 DAG size of output: 552 [2019-09-21 08:35:33,807 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 550 [2019-09-21 08:35:34,703 WARN L191 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-09-21 08:35:34,952 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 526 [2019-09-21 08:35:35,083 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 3 for LOIs [2019-09-21 08:35:35,127 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-21 08:35:35,143 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 18 for LOIs [2019-09-21 08:35:35,147 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 28 for LOIs [2019-09-21 08:35:35,149 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:35:35,149 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:35:35,153 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 346#(and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-21 08:35:35,166 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:35:35,173 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:35:35,176 INFO L168 Benchmark]: Toolchain (without parser) took 31463.04 ms. Allocated memory was 133.2 MB in the beginning and 967.8 MB in the end (delta: 834.7 MB). Free memory was 87.6 MB in the beginning and 694.5 MB in the end (delta: -606.9 MB). Peak memory consumption was 227.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:35,178 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:35:35,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.60 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.4 MB in the beginning and 165.8 MB in the end (delta: -78.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:35,181 INFO L168 Benchmark]: Boogie Preprocessor took 90.61 ms. Allocated memory is still 200.3 MB. Free memory was 165.8 MB in the beginning and 162.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:35,183 INFO L168 Benchmark]: RCFGBuilder took 1683.63 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 162.1 MB in the beginning and 149.9 MB in the end (delta: 12.2 MB). Peak memory consumption was 90.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:35,187 INFO L168 Benchmark]: Sifa took 29092.20 ms. Allocated memory was 225.4 MB in the beginning and 967.8 MB in the end (delta: 742.4 MB). Free memory was 149.9 MB in the beginning and 694.5 MB in the end (delta: -544.6 MB). Peak memory consumption was 197.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:35,195 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 592.60 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.4 MB in the beginning and 165.8 MB in the end (delta: -78.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.61 ms. Allocated memory is still 200.3 MB. Free memory was 165.8 MB in the beginning and 162.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1683.63 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 162.1 MB in the beginning and 149.9 MB in the end (delta: 12.2 MB). Peak memory consumption was 90.1 MB. Max. memory is 7.1 GB. * Sifa took 29092.20 ms. Allocated memory was 225.4 MB in the beginning and 967.8 MB in the end (delta: 742.4 MB). Free memory was 149.9 MB in the beginning and 694.5 MB in the end (delta: -544.6 MB). Peak memory consumption was 197.8 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]: 29045, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 176, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 118, TOOLS_POST_TIME[ms]: 11524, TOOLS_POST_CALL_APPLICATIONS: 50, TOOLS_POST_CALL_TIME[ms]: 320, TOOLS_POST_RETURN_APPLICATIONS: 41, TOOLS_POST_RETURN_TIME[ms]: 172, TOOLS_QUANTIFIERELIM_APPLICATIONS: 209, TOOLS_QUANTIFIERELIM_TIME[ms]: 11904, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11384, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 182, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 59, DOMAIN_JOIN_TIME[ms]: 14988, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1657, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 43, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 186, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 16861, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 16860, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 41, CALL_SUMMARIZER_CACHE_MISSES: 15, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11732, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11731, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 368, DAG_COMPRESSION_RETAINED_NODES: 174 - UnprovableResult [Line: 439]: 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 346#(and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= ~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...