java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:53:10,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:53:10,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:53:10,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:53:10,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:53:10,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:53:10,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:53:10,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:53:10,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:53:10,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:53:10,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:53:10,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:53:10,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:53:10,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:53:10,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:53:10,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:53:10,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:53:10,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:53:10,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:53:10,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:53:10,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:53:10,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:53:10,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:53:10,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:53:10,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:53:10,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:53:10,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:53:10,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:53:10,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:53:10,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:53:10,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:53:10,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:53:10,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:53:10,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:53:10,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:53:10,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:53:10,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:53:10,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:53:10,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:53:10,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:53:10,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:53:10,526 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 15:53:10,555 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:53:10,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:53:10,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:53:10,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:53:10,557 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:53:10,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:53:10,558 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:53:10,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:53:10,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:53:10,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:53:10,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:53:10,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:53:10,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:53:10,559 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:53:10,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:53:10,560 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:53:10,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:53:10,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:53:10,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:53:10,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:53:10,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:53:10,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:53:10,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:53:10,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:53:10,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:53:10,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:53:10,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:53:10,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:53:10,562 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 15:53:10,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:53:10,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:53:10,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:53:10,640 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:53:10,640 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:53:10,641 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2019-09-20 15:53:10,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1883863b0/da2d0a8f42844069bc45e38ecd08151e/FLAG24a392aef [2019-09-20 15:53:11,227 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:53:11,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2019-09-20 15:53:11,249 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1883863b0/da2d0a8f42844069bc45e38ecd08151e/FLAG24a392aef [2019-09-20 15:53:11,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1883863b0/da2d0a8f42844069bc45e38ecd08151e [2019-09-20 15:53:11,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:53:11,534 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:53:11,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:53:11,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:53:11,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:53:11,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:53:11" (1/1) ... [2019-09-20 15:53:11,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0db5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:11, skipping insertion in model container [2019-09-20 15:53:11,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:53:11" (1/1) ... [2019-09-20 15:53:11,553 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:53:11,611 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:53:12,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:53:12,129 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:53:12,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:53:12,263 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:53:12,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:12 WrapperNode [2019-09-20 15:53:12,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:53:12,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:53:12,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:53:12,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:53:12,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:12" (1/1) ... [2019-09-20 15:53:12,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:12" (1/1) ... [2019-09-20 15:53:12,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:12" (1/1) ... [2019-09-20 15:53:12,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:12" (1/1) ... [2019-09-20 15:53:12,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:12" (1/1) ... [2019-09-20 15:53:12,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:12" (1/1) ... [2019-09-20 15:53:12,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:12" (1/1) ... [2019-09-20 15:53:12,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:53:12,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:53:12,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:53:12,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:53:12,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:12" (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 15:53:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:53:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:53:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:53:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:53:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:53:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:53:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:53:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:53:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:53:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:53:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:53:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:53:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:53:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:53:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:53:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:53:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:53:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:53:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:53:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:53:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:53:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:53:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:53:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:53:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:53:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:53:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:53:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:53:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:53:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:53:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:53:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:53:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:53:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:53:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:53:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:53:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:53:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:53:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:53:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:53:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:53:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:53:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:53:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:53:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:53:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:53:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:53:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:53:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:53:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:53:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:53:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:53:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:53:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:53:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:53:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:53:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:53:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:53:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:53:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:53:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:53:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:53:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:53:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:53:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:53:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:53:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:53:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:53:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:53:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:53:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:53:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:53:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:53:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:53:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:53:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:53:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:53:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:53:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:53:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:53:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:53:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:53:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:53:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:53:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:53:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:53:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:53:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:53:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:53:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:53:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:53:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:53:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:53:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:53:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:53:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:53:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:53:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:53:14,213 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:53:14,213 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:53:14,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:53:14 BoogieIcfgContainer [2019-09-20 15:53:14,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:53:14,216 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:53:14,216 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:53:14,216 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:53:14,218 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:53:14" (1/1) ... [2019-09-20 15:53:14,218 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 15:53:14,251 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:53:14,251 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:53:14,264 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:53:14,275 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:53:14,277 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:53:24,981 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:53:26,742 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:53:26,919 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:53:27,052 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:53:27,172 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:53:27,188 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:53:27,238 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:53:27,244 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:53:27,436 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:53:27,574 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:53:27,999 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:53:28,363 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:53:28,956 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:53:29,395 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:53:30,302 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:53:30,946 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:53:31,554 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:53:31,866 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-20 15:53:31,984 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-20 15:53:32,192 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 512 [2019-09-20 15:53:32,298 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-20 15:53:32,572 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:53:32,762 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:53:33,293 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 555 [2019-09-20 15:53:33,755 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-09-20 15:53:34,111 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-09-20 15:53:34,383 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 512 [2019-09-20 15:53:34,581 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 512 [2019-09-20 15:53:34,764 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 512 [2019-09-20 15:53:34,941 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 512 [2019-09-20 15:53:35,225 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:53:35,397 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:53:35,635 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 65 [2019-09-20 15:53:35,798 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 65 [2019-09-20 15:53:35,972 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 66 [2019-09-20 15:53:36,075 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 66 [2019-09-20 15:53:36,280 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:53:36,445 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:53:36,765 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:53:36,932 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:53:37,342 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 555 [2019-09-20 15:53:37,657 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-09-20 15:53:37,854 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:53:38,019 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:53:38,337 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-09-20 15:53:38,339 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 15:53:38,366 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:53:38,380 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-20 15:53:38,383 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-20 15:53:38,385 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:53:38,385 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:53:38,387 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 508#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:53:38,398 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:53:38,398 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:53:38,400 INFO L168 Benchmark]: Toolchain (without parser) took 26865.64 ms. Allocated memory was 131.6 MB in the beginning and 842.0 MB in the end (delta: 710.4 MB). Free memory was 86.4 MB in the beginning and 586.5 MB in the end (delta: -500.1 MB). Peak memory consumption was 210.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:38,401 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:53:38,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.20 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 86.2 MB in the beginning and 159.3 MB in the end (delta: -73.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:38,402 INFO L168 Benchmark]: Boogie Preprocessor took 107.60 ms. Allocated memory is still 198.2 MB. Free memory was 159.3 MB in the beginning and 155.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:38,403 INFO L168 Benchmark]: RCFGBuilder took 1842.62 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 154.8 MB in the beginning and 135.5 MB in the end (delta: 19.3 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:38,407 INFO L168 Benchmark]: Sifa took 24182.24 ms. Allocated memory was 220.2 MB in the beginning and 842.0 MB in the end (delta: 621.8 MB). Free memory was 135.5 MB in the beginning and 586.5 MB in the end (delta: -451.0 MB). Peak memory consumption was 170.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:38,411 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 729.20 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 86.2 MB in the beginning and 159.3 MB in the end (delta: -73.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.60 ms. Allocated memory is still 198.2 MB. Free memory was 159.3 MB in the beginning and 155.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1842.62 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 154.8 MB in the beginning and 135.5 MB in the end (delta: 19.3 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. * Sifa took 24182.24 ms. Allocated memory was 220.2 MB in the beginning and 842.0 MB in the end (delta: 621.8 MB). Free memory was 135.5 MB in the beginning and 586.5 MB in the end (delta: -451.0 MB). Peak memory consumption was 170.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 24136, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 250, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 168, TOOLS_POST_TIME[ms]: 12687, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 238, TOOLS_POST_RETURN_APPLICATIONS: 62, TOOLS_POST_RETURN_TIME[ms]: 158, TOOLS_QUANTIFIERELIM_APPLICATIONS: 301, TOOLS_QUANTIFIERELIM_TIME[ms]: 12948, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12554, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 255, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 83, DOMAIN_JOIN_TIME[ms]: 10381, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 255, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 44, DOMAIN_ISBOTTOM_TIME[ms]: 237, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6586, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6585, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 62, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13019, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13018, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 477, DAG_COMPRESSION_RETAINED_NODES: 252 - UnprovableResult [Line: 620]: 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 508#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...