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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:33:25,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:33:25,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:33:25,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:33:25,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:33:25,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:33:25,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:33:25,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:33:25,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:33:25,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:33:25,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:33:25,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:33:25,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:33:25,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:33:25,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:33:25,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:33:25,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:33:25,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:33:25,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:33:25,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:33:25,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:33:25,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:33:25,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:33:25,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:33:25,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:33:25,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:33:25,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:33:25,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:33:25,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:33:25,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:33:25,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:33:25,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:33:25,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:33:25,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:33:25,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:33:25,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:33:25,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:33:25,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:33:25,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:33:25,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:33:25,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:33:25,716 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 20:33:25,731 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:33:25,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:33:25,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:33:25,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:33:25,732 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:33:25,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:33:25,733 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:33:25,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:33:25,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:33:25,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:33:25,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:33:25,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:33:25,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:33:25,734 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:33:25,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:33:25,735 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:33:25,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:33:25,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:33:25,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:33:25,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:33:25,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:33:25,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:33:25,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:33:25,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:33:25,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:33:25,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:33:25,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:33:25,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:33:25,737 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 -> ReUseSupersetCallSummarizer 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_DDA [2019-09-20 20:33:25,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:33:25,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:33:25,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:33:25,785 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:33:25,786 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:33:25,786 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-20 20:33:25,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d43e424c/867f13b1830b423a8687475adc83914a/FLAG194cfb506 [2019-09-20 20:33:26,366 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:33:26,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-20 20:33:26,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d43e424c/867f13b1830b423a8687475adc83914a/FLAG194cfb506 [2019-09-20 20:33:26,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d43e424c/867f13b1830b423a8687475adc83914a [2019-09-20 20:33:26,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:33:26,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:33:26,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:33:26,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:33:26,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:33:26,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:33:26" (1/1) ... [2019-09-20 20:33:26,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78aa3293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:33:26, skipping insertion in model container [2019-09-20 20:33:26,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:33:26" (1/1) ... [2019-09-20 20:33:26,703 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:33:26,761 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:33:27,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:33:27,240 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:33:27,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:33:27,345 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:33:27,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:33:27 WrapperNode [2019-09-20 20:33:27,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:33:27,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:33:27,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:33:27,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:33:27,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:33:27" (1/1) ... [2019-09-20 20:33:27,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:33:27" (1/1) ... [2019-09-20 20:33:27,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:33:27" (1/1) ... [2019-09-20 20:33:27,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:33:27" (1/1) ... [2019-09-20 20:33:27,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:33:27" (1/1) ... [2019-09-20 20:33:27,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:33:27" (1/1) ... [2019-09-20 20:33:27,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:33:27" (1/1) ... [2019-09-20 20:33:27,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:33:27,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:33:27,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:33:27,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:33:27,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:33:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:33:27,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:33:27,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:33:27,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 20:33:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 20:33:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 20:33:27,535 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 20:33:27,535 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 20:33:27,535 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 20:33:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 20:33:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 20:33:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 20:33:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 20:33:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:33:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 20:33:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 20:33:27,538 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 20:33:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 20:33:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 20:33:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 20:33:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 20:33:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 20:33:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 20:33:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 20:33:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 20:33:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 20:33:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 20:33:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 20:33:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 20:33:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 20:33:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 20:33:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 20:33:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 20:33:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 20:33:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 20:33:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:33:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 20:33:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 20:33:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 20:33:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 20:33:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 20:33:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 20:33:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 20:33:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 20:33:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 20:33:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 20:33:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 20:33:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 20:33:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 20:33:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 20:33:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 20:33:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 20:33:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:33:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 20:33:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 20:33:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 20:33:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 20:33:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 20:33:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 20:33:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 20:33:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 20:33:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 20:33:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 20:33:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 20:33:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 20:33:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 20:33:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 20:33:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 20:33:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 20:33:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 20:33:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 20:33:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 20:33:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 20:33:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 20:33:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 20:33:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 20:33:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 20:33:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 20:33:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 20:33:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 20:33:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:33:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 20:33:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:33:29,118 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:33:29,119 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 20:33:29,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:33:29 BoogieIcfgContainer [2019-09-20 20:33:29,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:33:29,121 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:33:29,122 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:33:29,122 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:33:29,123 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:33:29" (1/1) ... [2019-09-20 20:33:29,124 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:33:29,152 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:33:29,156 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:33:29,169 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:33:29,184 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:33:29,186 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:33:40,846 WARN L191 SmtUtils]: Spent 11.54 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-20 20:33:52,292 WARN L191 SmtUtils]: Spent 11.44 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-20 20:34:12,473 WARN L191 SmtUtils]: Spent 12.41 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 20:34:14,112 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129