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_spec2_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 22:42:54,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 22:42:54,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 22:42:54,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 22:42:54,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 22:42:54,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 22:42:54,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 22:42:54,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 22:42:54,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 22:42:54,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 22:42:54,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 22:42:54,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 22:42:54,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 22:42:54,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 22:42:54,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 22:42:54,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 22:42:54,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 22:42:54,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 22:42:54,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 22:42:54,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 22:42:54,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 22:42:54,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 22:42:54,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 22:42:54,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 22:42:54,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 22:42:54,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 22:42:54,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 22:42:54,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 22:42:54,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 22:42:54,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 22:42:54,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 22:42:54,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 22:42:54,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 22:42:54,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 22:42:54,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 22:42:54,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 22:42:54,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 22:42:54,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 22:42:54,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 22:42:54,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 22:42:54,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 22:42:54,532 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 [2019-09-18 22:42:54,554 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 22:42:54,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 22:42:54,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 22:42:54,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 22:42:54,557 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 22:42:54,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 22:42:54,557 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 22:42:54,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 22:42:54,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 22:42:54,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 22:42:54,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 22:42:54,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 22:42:54,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 22:42:54,560 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 22:42:54,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 22:42:54,561 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 22:42:54,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 22:42:54,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 22:42:54,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 22:42:54,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 22:42:54,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 22:42:54,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 22:42:54,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 22:42:54,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 22:42:54,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 22:42:54,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 22:42:54,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 22:42:54,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 22:42:54,563 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 [2019-09-18 22:42:54,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 22:42:54,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 22:42:54,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 22:42:54,610 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 22:42:54,610 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 22:42:54,611 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c [2019-09-18 22:42:54,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da42ccac1/da17b8e3b85747489ee290b77a5924c8/FLAG6e512514d [2019-09-18 22:42:55,173 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 22:42:55,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c [2019-09-18 22:42:55,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da42ccac1/da17b8e3b85747489ee290b77a5924c8/FLAG6e512514d [2019-09-18 22:42:55,507 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da42ccac1/da17b8e3b85747489ee290b77a5924c8 [2019-09-18 22:42:55,522 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 22:42:55,524 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 22:42:55,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 22:42:55,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 22:42:55,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 22:42:55,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:42:55" (1/1) ... [2019-09-18 22:42:55,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@869f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:42:55, skipping insertion in model container [2019-09-18 22:42:55,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:42:55" (1/1) ... [2019-09-18 22:42:55,540 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 22:42:55,594 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 22:42:55,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 22:42:55,991 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 22:42:56,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 22:42:56,115 INFO L192 MainTranslator]: Completed translation [2019-09-18 22:42:56,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:42:56 WrapperNode [2019-09-18 22:42:56,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 22:42:56,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 22:42:56,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 22:42:56,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 22:42:56,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:42:56" (1/1) ... [2019-09-18 22:42:56,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:42:56" (1/1) ... [2019-09-18 22:42:56,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:42:56" (1/1) ... [2019-09-18 22:42:56,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:42:56" (1/1) ... [2019-09-18 22:42:56,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:42:56" (1/1) ... [2019-09-18 22:42:56,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:42:56" (1/1) ... [2019-09-18 22:42:56,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:42:56" (1/1) ... [2019-09-18 22:42:56,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 22:42:56,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 22:42:56,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 22:42:56,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 22:42:56,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:42:56" (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 [2019-09-18 22:42:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 22:42:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 22:42:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 22:42:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 22:42:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 22:42:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 22:42:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 22:42:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 22:42:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 22:42:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 22:42:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 22:42:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 22:42:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 22:42:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 22:42:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 22:42:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 22:42:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 22:42:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 22:42:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 22:42:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 22:42:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 22:42:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 22:42:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-18 22:42:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-18 22:42:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 22:42:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 22:42:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 22:42:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 22:42:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 22:42:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 22:42:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 22:42:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 22:42:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 22:42:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 22:42:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 22:42:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 22:42:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 22:42:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 22:42:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 22:42:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 22:42:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 22:42:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 22:42:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 22:42:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 22:42:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 22:42:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 22:42:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 22:42:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 22:42:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 22:42:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 22:42:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 22:42:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 22:42:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 22:42:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 22:42:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 22:42:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 22:42:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 22:42:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 22:42:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 22:42:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 22:42:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 22:42:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 22:42:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 22:42:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 22:42:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 22:42:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 22:42:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 22:42:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 22:42:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 22:42:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 22:42:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 22:42:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 22:42:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-18 22:42:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 22:42:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 22:42:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 22:42:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 22:42:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 22:42:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 22:42:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 22:42:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-18 22:42:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 22:42:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 22:42:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 22:42:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 22:42:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 22:42:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 22:42:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 22:42:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 22:42:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 22:42:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 22:42:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 22:42:58,018 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 22:42:58,019 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 22:42:58,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:42:58 BoogieIcfgContainer [2019-09-18 22:42:58,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 22:42:58,021 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 22:42:58,021 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 22:42:58,021 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 22:42:58,023 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:42:58" (1/1) ... [2019-09-18 22:42:58,023 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 [2019-09-18 22:42:58,063 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 22:42:58,063 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 22:42:58,073 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 22:42:58,089 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 22:42:58,090 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 22:43:10,565 WARN L191 SmtUtils]: Spent 12.36 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-18 22:43:22,612 WARN L191 SmtUtils]: Spent 12.04 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-18 22:43:41,723 WARN L191 SmtUtils]: Spent 10.52 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 22:43:43,380 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 22:43:47,049 WARN L191 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-18 22:43:47,059 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-18 22:43:48,785 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:43:50,481 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:43:52,153 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:43:53,812 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:43:55,516 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 22:43:57,239 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 22:43:58,884 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:44:00,511 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:44:00,518 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-18 22:44:02,196 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:44:03,863 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:44:03,872 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-18 22:44:07,286 WARN L191 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 433 DAG size of output: 427 [2019-09-18 22:44:08,931 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 427 [2019-09-18 22:44:19,901 WARN L191 SmtUtils]: Spent 10.92 s on a formula simplification. DAG size of input: 454 DAG size of output: 452 [2019-09-18 22:44:25,172 WARN L191 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 22:44:36,041 WARN L191 SmtUtils]: Spent 10.87 s on a formula simplification. DAG size of input: 454 DAG size of output: 452 [2019-09-18 22:44:41,347 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 22:44:51,671 WARN L191 SmtUtils]: Spent 10.28 s on a formula simplification. DAG size of input: 435 DAG size of output: 430 [2019-09-18 22:44:56,795 WARN L191 SmtUtils]: Spent 5.12 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-18 22:45:16,419 WARN L191 SmtUtils]: Spent 19.60 s on a formula simplification. DAG size of input: 473 DAG size of output: 467 [2019-09-18 22:45:25,118 WARN L191 SmtUtils]: Spent 8.70 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 22:45:26,594 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 436 DAG size of output: 1 [2019-09-18 22:45:43,332 WARN L191 SmtUtils]: Spent 16.74 s on a formula simplification. DAG size of input: 438 DAG size of output: 437 [2019-09-18 22:45:51,587 WARN L191 SmtUtils]: Spent 8.25 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-18 22:46:00,058 WARN L191 SmtUtils]: Spent 8.46 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-18 22:46:08,499 WARN L191 SmtUtils]: Spent 8.44 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-18 22:46:42,949 WARN L191 SmtUtils]: Spent 34.41 s on a formula simplification. DAG size of input: 511 DAG size of output: 491 [2019-09-18 22:46:58,266 WARN L191 SmtUtils]: Spent 15.32 s on a formula simplification that was a NOOP. DAG size: 491 [2019-09-18 22:47:03,535 WARN L191 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-18 22:47:23,229 WARN L191 SmtUtils]: Spent 19.67 s on a formula simplification. DAG size of input: 473 DAG size of output: 468 [2019-09-18 22:47:31,874 WARN L191 SmtUtils]: Spent 8.64 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-18 22:47:49,214 WARN L191 SmtUtils]: Spent 17.33 s on a formula simplification that was a NOOP. DAG size: 501 [2019-09-18 22:47:49,817 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-18 22:47:50,760 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-18 22:47:51,355 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-18 22:47:51,577 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-18 22:47:51,777 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-18 22:47:51,946 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-18 22:47:52,073 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-18 22:47:52,090 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-18 22:47:52,113 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 22:47:52,114 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 22:47:52,116 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 417#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-18 22:47:52,127 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 22:47:52,127 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 22:47:52,128 INFO L168 Benchmark]: Toolchain (without parser) took 296604.72 ms. Allocated memory was 134.2 MB in the beginning and 155.7 MB in the end (delta: 21.5 MB). Free memory was 88.1 MB in the beginning and 115.6 MB in the end (delta: -27.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 22:47:52,129 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 22:47:52,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.94 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 87.8 MB in the beginning and 166.9 MB in the end (delta: -79.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-18 22:47:52,131 INFO L168 Benchmark]: Boogie Preprocessor took 109.58 ms. Allocated memory is still 201.9 MB. Free memory was 166.9 MB in the beginning and 162.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-18 22:47:52,132 INFO L168 Benchmark]: RCFGBuilder took 1792.17 ms. Allocated memory was 201.9 MB in the beginning and 228.6 MB in the end (delta: 26.7 MB). Free memory was 162.4 MB in the beginning and 149.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2019-09-18 22:47:52,133 INFO L168 Benchmark]: Sifa took 294106.02 ms. Allocated memory was 228.6 MB in the beginning and 155.7 MB in the end (delta: -72.9 MB). Free memory was 149.0 MB in the beginning and 115.6 MB in the end (delta: 33.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 22:47:52,137 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 134.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 590.94 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 87.8 MB in the beginning and 166.9 MB in the end (delta: -79.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.58 ms. Allocated memory is still 201.9 MB. Free memory was 166.9 MB in the beginning and 162.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1792.17 ms. Allocated memory was 201.9 MB in the beginning and 228.6 MB in the end (delta: 26.7 MB). Free memory was 162.4 MB in the beginning and 149.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * Sifa took 294106.02 ms. Allocated memory was 228.6 MB in the beginning and 155.7 MB in the end (delta: -72.9 MB). Free memory was 149.0 MB in the beginning and 115.6 MB in the end (delta: 33.4 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]: 294054, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 199, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 137, TOOLS_POST_TIME[ms]: 121, TOOLS_POST_CALL_APPLICATIONS: 54, TOOLS_POST_CALL_TIME[ms]: 134, TOOLS_POST_RETURN_APPLICATIONS: 45, TOOLS_POST_RETURN_TIME[ms]: 24552, TOOLS_QUANTIFIERELIM_APPLICATIONS: 236, TOOLS_QUANTIFIERELIM_TIME[ms]: 24700, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24433, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 204, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 67, DOMAIN_JOIN_TIME[ms]: 263327, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 73, DOMAIN_ISSUBSETEQ_APPLICATIONS: 38, DOMAIN_ISSUBSETEQ_TIME[ms]: 129, DOMAIN_ISBOTTOM_APPLICATIONS: 36, DOMAIN_ISBOTTOM_TIME[ms]: 204, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 227303, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 227303, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 45, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 111597, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 335, DAG_COMPRESSION_RETAINED_NODES: 190 - UnprovableResult [Line: 44]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 417#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...