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_spec5_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:53:49,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:53:49,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:53:49,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:53:49,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:53:49,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:53:49,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:53:49,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:53:49,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:53:49,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:53:49,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:53:49,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:53:49,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:53:49,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:53:49,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:53:49,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:53:49,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:53:49,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:53:49,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:53:49,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:53:49,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:53:49,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:53:49,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:53:49,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:53:49,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:53:49,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:53:49,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:53:49,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:53:49,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:53:49,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:53:49,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:53:49,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:53:49,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:53:49,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:53:49,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:53:49,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:53:49,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:53:49,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:53:49,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:53:49,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:53:49,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:53:49,490 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 15:53:49,505 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:53:49,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:53:49,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:53:49,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:53:49,507 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:53:49,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:53:49,507 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:53:49,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:53:49,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:53:49,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:53:49,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:53:49,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:53:49,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:53:49,508 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:53:49,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:53:49,509 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:53:49,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:53:49,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:53:49,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:53:49,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:53:49,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:53:49,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:53:49,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:53:49,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:53:49,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:53:49,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:53:49,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:53:49,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:53:49,511 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 15:53:49,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:53:49,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:53:49,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:53:49,574 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:53:49,574 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:53:49,575 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product13.cil.c [2019-09-20 15:53:49,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f26055d8/f515d02d39bd47f7aab62d48eb583908/FLAG65bed8aef [2019-09-20 15:53:50,201 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:53:50,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product13.cil.c [2019-09-20 15:53:50,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f26055d8/f515d02d39bd47f7aab62d48eb583908/FLAG65bed8aef [2019-09-20 15:53:50,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f26055d8/f515d02d39bd47f7aab62d48eb583908 [2019-09-20 15:53:50,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:53:50,510 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:53:50,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:53:50,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:53:50,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:53:50,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:53:50" (1/1) ... [2019-09-20 15:53:50,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ac3fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:50, skipping insertion in model container [2019-09-20 15:53:50,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:53:50" (1/1) ... [2019-09-20 15:53:50,528 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:53:50,592 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:53:50,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:53:51,004 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:53:51,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:53:51,157 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:53:51,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51 WrapperNode [2019-09-20 15:53:51,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:53:51,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:53:51,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:53:51,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:53:51,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51" (1/1) ... [2019-09-20 15:53:51,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51" (1/1) ... [2019-09-20 15:53:51,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51" (1/1) ... [2019-09-20 15:53:51,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51" (1/1) ... [2019-09-20 15:53:51,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51" (1/1) ... [2019-09-20 15:53:51,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51" (1/1) ... [2019-09-20 15:53:51,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51" (1/1) ... [2019-09-20 15:53:51,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:53:51,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:53:51,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:53:51,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:53:51,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51" (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 15:53:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:53:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:53:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:53:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:53:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:53:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:53:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:53:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:53:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:53:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:53:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:53:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:53:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:53:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:53:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:53:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:53:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:53:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:53:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:53:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:53:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:53:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:53:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:53:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:53:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:53:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:53:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:53:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:53:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:53:51,356 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:53:51,356 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:53:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 15:53:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:53:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:53:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:53:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:53:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:53:51,358 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:53:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:53:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:53:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:53:51,358 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:53:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:53:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:53:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:53:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:53:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:53:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:53:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:53:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:53:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:53:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:53:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:53:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:53:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:53:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:53:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:53:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:53:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:53:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:53:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:53:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:53:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:53:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:53:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:53:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:53:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:53:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:53:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:53:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:53:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:53:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:53:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:53:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:53:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:53:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:53:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:53:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:53:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:53:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:53:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:53:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:53:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:53:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:53:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:53:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:53:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 15:53:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:53:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:53:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:53:52,926 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:53:52,927 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:53:52,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:53:52 BoogieIcfgContainer [2019-09-20 15:53:52,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:53:52,929 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:53:52,929 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:53:52,929 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:53:52,930 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:53:52" (1/1) ... [2019-09-20 15:53:52,931 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 15:53:52,954 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:53:52,954 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:53:52,963 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:53:52,973 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:53:52,974 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:54:03,932 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:54:05,641 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:54:05,802 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:05,942 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:06,058 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:06,082 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-20 15:54:06,134 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-20 15:54:06,149 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-20 15:54:06,386 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-20 15:54:06,506 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-20 15:54:06,980 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:54:07,276 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:54:07,580 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:54:07,828 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:54:08,303 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:08,661 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:09,227 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 517 [2019-09-20 15:54:09,464 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-20 15:54:09,759 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 513 [2019-09-20 15:54:09,956 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:10,254 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:54:10,564 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:54:10,903 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 523 [2019-09-20 15:54:11,187 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:54:11,816 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:54:12,096 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-20 15:54:12,636 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:12,936 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:13,284 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 517 [2019-09-20 15:54:13,468 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-20 15:54:13,721 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 513 [2019-09-20 15:54:13,933 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:14,268 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:54:14,561 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:54:14,856 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 523 [2019-09-20 15:54:15,147 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:54:15,715 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:54:15,769 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 15:54:15,809 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:54:15,823 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-20 15:54:15,826 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-20 15:54:15,827 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:54:15,828 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:54:15,830 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 428#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:54:15,842 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:54:15,842 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:54:15,844 INFO L168 Benchmark]: Toolchain (without parser) took 25333.58 ms. Allocated memory was 141.0 MB in the beginning and 758.1 MB in the end (delta: 617.1 MB). Free memory was 86.6 MB in the beginning and 507.2 MB in the end (delta: -420.6 MB). Peak memory consumption was 196.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:15,845 INFO L168 Benchmark]: CDTParser took 1.25 ms. Allocated memory is still 141.0 MB. Free memory was 105.9 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:54:15,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.18 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 86.4 MB in the beginning and 167.3 MB in the end (delta: -80.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:15,847 INFO L168 Benchmark]: Boogie Preprocessor took 109.70 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 163.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:15,848 INFO L168 Benchmark]: RCFGBuilder took 1660.18 ms. Allocated memory was 201.3 MB in the beginning and 228.1 MB in the end (delta: 26.7 MB). Free memory was 163.2 MB in the beginning and 148.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:15,849 INFO L168 Benchmark]: Sifa took 22913.64 ms. Allocated memory was 228.1 MB in the beginning and 758.1 MB in the end (delta: 530.1 MB). Free memory was 148.4 MB in the beginning and 507.2 MB in the end (delta: -358.7 MB). Peak memory consumption was 171.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:15,856 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25 ms. Allocated memory is still 141.0 MB. Free memory was 105.9 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.18 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 86.4 MB in the beginning and 167.3 MB in the end (delta: -80.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.70 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 163.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1660.18 ms. Allocated memory was 201.3 MB in the beginning and 228.1 MB in the end (delta: 26.7 MB). Free memory was 163.2 MB in the beginning and 148.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. * Sifa took 22913.64 ms. Allocated memory was 228.1 MB in the beginning and 758.1 MB in the end (delta: 530.1 MB). Free memory was 148.4 MB in the beginning and 507.2 MB in the end (delta: -358.7 MB). Peak memory consumption was 171.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 22876, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 212, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 138, TOOLS_POST_TIME[ms]: 12870, TOOLS_POST_CALL_APPLICATIONS: 65, TOOLS_POST_CALL_TIME[ms]: 226, TOOLS_POST_RETURN_APPLICATIONS: 56, TOOLS_POST_RETURN_TIME[ms]: 125, TOOLS_QUANTIFIERELIM_APPLICATIONS: 259, TOOLS_QUANTIFIERELIM_TIME[ms]: 13109, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12765, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 219, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 68, DOMAIN_JOIN_TIME[ms]: 8119, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1169, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 50, DOMAIN_ISBOTTOM_APPLICATIONS: 34, DOMAIN_ISBOTTOM_TIME[ms]: 168, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6067, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6066, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 56, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13201, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13200, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 352, DAG_COMPRESSION_RETAINED_NODES: 190 - UnprovableResult [Line: 585]: 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 428#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~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...