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_spec1_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:47:17,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:47:17,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:47:17,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:47:17,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:47:17,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:47:17,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:47:17,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:47:17,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:47:17,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:47:17,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:47:17,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:47:17,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:47:17,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:47:17,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:47:17,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:47:17,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:47:17,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:47:17,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:47:17,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:47:17,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:47:17,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:47:17,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:47:17,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:47:17,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:47:17,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:47:17,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:47:17,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:47:17,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:47:17,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:47:17,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:47:17,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:47:17,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:47:17,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:47:17,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:47:17,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:47:17,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:47:17,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:47:17,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:47:17,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:47:17,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:47:17,545 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 15:47:17,560 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:47:17,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:47:17,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:47:17,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:47:17,562 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:47:17,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:47:17,562 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:47:17,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:47:17,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:47:17,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:47:17,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:47:17,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:47:17,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:47:17,563 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:47:17,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:47:17,564 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:47:17,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:47:17,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:47:17,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:47:17,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:47:17,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:47:17,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:47:17,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:47:17,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:47:17,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:47:17,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:47:17,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:47:17,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:47:17,567 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 [2019-09-20 15:47:17,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:47:17,611 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:47:17,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:47:17,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:47:17,616 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:47:17,617 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2019-09-20 15:47:17,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eec6aa46/a6bf4a809c84454d8b6231245c1a8a91/FLAG81545c48f [2019-09-20 15:47:18,210 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:47:18,210 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2019-09-20 15:47:18,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eec6aa46/a6bf4a809c84454d8b6231245c1a8a91/FLAG81545c48f [2019-09-20 15:47:18,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eec6aa46/a6bf4a809c84454d8b6231245c1a8a91 [2019-09-20 15:47:18,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:47:18,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:47:18,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:47:18,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:47:18,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:47:18,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:47:18" (1/1) ... [2019-09-20 15:47:18,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac258e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:18, skipping insertion in model container [2019-09-20 15:47:18,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:47:18" (1/1) ... [2019-09-20 15:47:18,549 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:47:18,607 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:47:19,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:47:19,049 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:47:19,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:47:19,205 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:47:19,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:19 WrapperNode [2019-09-20 15:47:19,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:47:19,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:47:19,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:47:19,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:47:19,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:19" (1/1) ... [2019-09-20 15:47:19,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:19" (1/1) ... [2019-09-20 15:47:19,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:19" (1/1) ... [2019-09-20 15:47:19,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:19" (1/1) ... [2019-09-20 15:47:19,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:19" (1/1) ... [2019-09-20 15:47:19,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:19" (1/1) ... [2019-09-20 15:47:19,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:19" (1/1) ... [2019-09-20 15:47:19,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:47:19,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:47:19,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:47:19,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:47:19,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:19" (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 15:47:19,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:47:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:47:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:47:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:47:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:47:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:47:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:47:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:47:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:47:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:47:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:47:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:47:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:47:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:47:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:47:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:47:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:47:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:47:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:47:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:47:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:47:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:47:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:47:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:47:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:47:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:47:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:47:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 15:47:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:47:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:47:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:47:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:47:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:47:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:47:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:47:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:47:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:47:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:47:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:47:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:47:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:47:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:47:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:47:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:47:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:47:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:47:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:47:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:47:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:47:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:47:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:47:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:47:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:47:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:47:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:47:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:47:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:47:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:47:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:47:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:47:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:47:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:47:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:47:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:47:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:47:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:47:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:47:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:47:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:47:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:47:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:47:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:47:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:47:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:47:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:47:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:47:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:47:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:47:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:47:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 15:47:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:47:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:47:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:47:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:47:20,873 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:47:20,873 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:47:20,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:47:20 BoogieIcfgContainer [2019-09-20 15:47:20,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:47:20,876 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:47:20,877 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:47:20,877 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:47:20,878 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:47:20" (1/1) ... [2019-09-20 15:47:20,879 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 [2019-09-20 15:47:20,912 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:47:20,912 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:47:20,931 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:47:20,947 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:47:20,948 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:47:30,908 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:47:32,742 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:47:32,888 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:33,022 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:33,144 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:33,160 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 476 for LOIs [2019-09-20 15:47:33,206 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 476 for LOIs [2019-09-20 15:47:33,212 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 476 for LOIs [2019-09-20 15:47:33,380 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 480 [2019-09-20 15:47:33,562 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 480 [2019-09-20 15:47:34,001 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 492 [2019-09-20 15:47:34,342 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 492 [2019-09-20 15:47:34,611 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 492 [2019-09-20 15:47:34,846 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 492 [2019-09-20 15:47:35,330 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-20 15:47:35,734 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-20 15:47:36,230 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 503 [2019-09-20 15:47:36,439 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 510 [2019-09-20 15:47:36,578 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:47:36,696 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:47:36,798 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:47:37,314 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-20 15:47:37,769 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-20 15:47:38,114 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 503 [2019-09-20 15:47:38,186 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 25 for LOIs [2019-09-20 15:47:38,225 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-20 15:47:38,236 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 12 for LOIs [2019-09-20 15:47:38,255 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 24 for LOIs [2019-09-20 15:47:38,258 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:47:38,258 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:47:38,260 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 458#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0))) [2019-09-20 15:47:38,277 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:47:38,277 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:47:38,279 INFO L168 Benchmark]: Toolchain (without parser) took 19748.34 ms. Allocated memory was 140.5 MB in the beginning and 546.3 MB in the end (delta: 405.8 MB). Free memory was 87.1 MB in the beginning and 508.2 MB in the end (delta: -421.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:47:38,280 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:47:38,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.25 ms. Allocated memory was 140.5 MB in the beginning and 201.3 MB in the end (delta: 60.8 MB). Free memory was 86.9 MB in the beginning and 169.1 MB in the end (delta: -82.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:47:38,282 INFO L168 Benchmark]: Boogie Preprocessor took 117.87 ms. Allocated memory is still 201.3 MB. Free memory was 169.1 MB in the beginning and 164.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:47:38,283 INFO L168 Benchmark]: RCFGBuilder took 1549.85 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 164.8 MB in the beginning and 154.1 MB in the end (delta: 10.8 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:47:38,284 INFO L168 Benchmark]: Sifa took 17400.78 ms. Allocated memory was 227.0 MB in the beginning and 546.3 MB in the end (delta: 319.3 MB). Free memory was 154.1 MB in the beginning and 508.2 MB in the end (delta: -354.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:47:38,288 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.25 ms. Allocated memory was 140.5 MB in the beginning and 201.3 MB in the end (delta: 60.8 MB). Free memory was 86.9 MB in the beginning and 169.1 MB in the end (delta: -82.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.87 ms. Allocated memory is still 201.3 MB. Free memory was 169.1 MB in the beginning and 164.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1549.85 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 164.8 MB in the beginning and 154.1 MB in the end (delta: 10.8 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. * Sifa took 17400.78 ms. Allocated memory was 227.0 MB in the beginning and 546.3 MB in the end (delta: 319.3 MB). Free memory was 154.1 MB in the beginning and 508.2 MB in the end (delta: -354.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 17348, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 164, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 106, TOOLS_POST_TIME[ms]: 11921, TOOLS_POST_CALL_APPLICATIONS: 46, TOOLS_POST_CALL_TIME[ms]: 176, TOOLS_POST_RETURN_APPLICATIONS: 37, TOOLS_POST_RETURN_TIME[ms]: 78, TOOLS_QUANTIFIERELIM_APPLICATIONS: 189, TOOLS_QUANTIFIERELIM_TIME[ms]: 12073, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11834, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 171, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 52, DOMAIN_JOIN_TIME[ms]: 4262, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 64, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 535, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 32, DOMAIN_ISBOTTOM_APPLICATIONS: 25, DOMAIN_ISBOTTOM_TIME[ms]: 121, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1021, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1020, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 37, CALL_SUMMARIZER_CACHE_MISSES: 15, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12188, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12188, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 279, DAG_COMPRESSION_RETAINED_NODES: 159 - UnprovableResult [Line: 534]: 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 458#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...