/usr/bin/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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:50:34,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:50:34,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:50:34,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:50:34,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:50:34,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:50:34,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:50:34,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:50:34,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:50:34,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:50:34,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:50:34,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:50:34,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:50:34,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:50:34,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:50:34,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:50:34,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:50:34,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:50:34,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:50:34,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:50:34,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:50:34,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:50:34,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:50:34,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:50:34,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:50:34,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:50:34,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:50:34,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:50:34,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:50:34,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:50:34,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:50:34,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:50:34,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:50:34,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:50:34,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:50:34,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:50:34,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:50:34,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:50:34,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:50:34,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:50:34,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:50:34,479 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 [2019-11-07 10:50:34,493 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:50:34,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:50:34,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:50:34,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:50:34,495 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:50:34,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:50:34,496 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:50:34,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:50:34,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:50:34,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:50:34,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:50:34,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:50:34,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:50:34,497 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:50:34,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:50:34,497 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:50:34,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:50:34,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:50:34,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:50:34,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:50:34,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:50:34,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:50:34,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:50:34,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:50:34,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:50:34,499 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:50:34,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:50:34,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:50:34,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:50:34,765 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:50:34,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:50:34,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:50:34,783 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:50:34,783 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:50:34,784 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product60.cil.c [2019-11-07 10:50:34,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0b5598af/3c5204a31330416d8b9a6e4a302ce6c6/FLAGb8dcd13e4 [2019-11-07 10:50:35,366 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:50:35,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product60.cil.c [2019-11-07 10:50:35,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0b5598af/3c5204a31330416d8b9a6e4a302ce6c6/FLAGb8dcd13e4 [2019-11-07 10:50:35,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0b5598af/3c5204a31330416d8b9a6e4a302ce6c6 [2019-11-07 10:50:35,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:50:35,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:50:35,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:50:35,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:50:35,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:50:35,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:50:35" (1/1) ... [2019-11-07 10:50:35,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c304c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:35, skipping insertion in model container [2019-11-07 10:50:35,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:50:35" (1/1) ... [2019-11-07 10:50:35,707 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:50:35,763 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:50:36,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:50:36,201 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:50:36,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:50:36,335 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:50:36,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:36 WrapperNode [2019-11-07 10:50:36,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:50:36,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:50:36,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:50:36,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:50:36,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:36" (1/1) ... [2019-11-07 10:50:36,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:36" (1/1) ... [2019-11-07 10:50:36,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:36" (1/1) ... [2019-11-07 10:50:36,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:36" (1/1) ... [2019-11-07 10:50:36,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:36" (1/1) ... [2019-11-07 10:50:36,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:36" (1/1) ... [2019-11-07 10:50:36,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:36" (1/1) ... [2019-11-07 10:50:36,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:50:36,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:50:36,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:50:36,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:50:36,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:36" (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 [2019-11-07 10:50:36,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:50:36,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:50:36,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:50:36,504 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:50:36,504 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:50:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:50:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:50:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:50:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:50:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:50:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:50:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:50:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:50:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:50:36,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:50:36,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:50:36,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:50:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:50:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 10:50:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:50:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:50:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 10:50:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:50:36,512 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:50:36,512 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 10:50:36,512 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:50:36,512 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:50:36,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:50:36,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:50:36,513 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:50:36,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 10:50:36,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 10:50:36,513 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 10:50:36,513 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 10:50:36,513 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:50:36,513 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:50:36,514 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:50:36,514 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:50:36,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:50:36,514 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:50:36,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:50:36,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 10:50:36,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 10:50:36,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:50:36,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:50:36,515 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:50:36,515 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:50:36,515 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:50:36,516 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:50:36,516 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:50:36,516 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:50:36,516 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:50:36,516 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:50:36,516 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:50:36,516 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:50:36,517 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:50:36,517 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:50:36,517 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:50:36,517 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:50:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:50:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:50:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:50:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:50:36,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:50:36,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:50:36,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:50:36,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:50:36,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:50:36,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:50:36,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:50:36,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:50:36,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:50:36,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:50:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:50:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:50:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:50:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:50:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:50:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:50:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:50:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 10:50:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:50:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:50:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:50:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 10:50:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 10:50:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:50:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:50:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 10:50:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 10:50:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:50:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 10:50:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 10:50:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:50:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 10:50:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 10:50:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:50:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:50:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:50:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:50:38,113 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:50:38,114 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:50:38,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:50:38 BoogieIcfgContainer [2019-11-07 10:50:38,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:50:38,117 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:50:38,117 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:50:38,118 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:50:38,119 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:50:38" (1/1) ... [2019-11-07 10:50:38,119 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:50:38,164 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:50:38,168 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:50:38,183 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:50:38,194 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:50:38,196 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:50:48,808 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-11-07 10:50:50,672 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:50:50,808 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-11-07 10:50:50,825 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-11-07 10:50:50,862 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-11-07 10:50:50,868 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-11-07 10:50:51,340 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-11-07 10:50:52,087 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 179 [2019-11-07 10:50:52,581 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 200 [2019-11-07 10:50:52,895 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-07 10:50:53,094 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-07 10:50:53,370 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 170 [2019-11-07 10:50:53,525 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 176 [2019-11-07 10:50:53,690 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-07 10:50:53,989 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-11-07 10:50:54,324 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 203 [2019-11-07 10:50:54,695 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-07 10:50:55,013 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 198 [2019-11-07 10:50:55,678 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 185 [2019-11-07 10:50:55,874 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2019-11-07 10:50:56,411 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-07 10:50:56,529 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 176 [2019-11-07 10:50:56,688 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-07 10:50:56,903 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 196 [2019-11-07 10:50:57,760 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-07 10:50:57,867 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-07 10:50:58,010 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 185 [2019-11-07 10:50:58,749 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-07 10:50:59,284 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 611 [2019-11-07 10:50:59,547 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 611 [2019-11-07 10:50:59,830 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2019-11-07 10:51:00,102 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-07 10:51:01,591 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2019-11-07 10:51:02,786 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:51:02,788 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2019-11-07 10:51:03,080 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 130 for LOIs [2019-11-07 10:51:03,087 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 140 for LOIs [2019-11-07 10:51:03,087 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:51:03,101 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:51:03,101 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:51:03,103 INFO L168 Benchmark]: Toolchain (without parser) took 27413.73 ms. Allocated memory was 137.4 MB in the beginning and 660.6 MB in the end (delta: 523.2 MB). Free memory was 101.1 MB in the beginning and 302.0 MB in the end (delta: -200.9 MB). Peak memory consumption was 322.3 MB. Max. memory is 7.1 GB. [2019-11-07 10:51:03,104 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 10:51:03,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.93 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 100.9 MB in the beginning and 171.4 MB in the end (delta: -70.6 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:51:03,108 INFO L168 Benchmark]: Boogie Preprocessor took 82.22 ms. Allocated memory is still 201.9 MB. Free memory was 171.4 MB in the beginning and 166.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-11-07 10:51:03,109 INFO L168 Benchmark]: RCFGBuilder took 1697.43 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 166.1 MB in the beginning and 144.8 MB in the end (delta: 21.3 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:51:03,110 INFO L168 Benchmark]: Sifa took 24983.95 ms. Allocated memory was 232.8 MB in the beginning and 660.6 MB in the end (delta: 427.8 MB). Free memory was 144.8 MB in the beginning and 302.0 MB in the end (delta: -157.2 MB). Peak memory consumption was 270.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:51:03,114 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 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 645.93 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 100.9 MB in the beginning and 171.4 MB in the end (delta: -70.6 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.22 ms. Allocated memory is still 201.9 MB. Free memory was 171.4 MB in the beginning and 166.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1697.43 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 166.1 MB in the beginning and 144.8 MB in the end (delta: 21.3 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. * Sifa took 24983.95 ms. Allocated memory was 232.8 MB in the beginning and 660.6 MB in the end (delta: 427.8 MB). Free memory was 144.8 MB in the beginning and 302.0 MB in the end (delta: -157.2 MB). Peak memory consumption was 270.7 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]: 24924, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 66, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 225, TOOLS_POST_TIME[ms]: 12694, TOOLS_POST_CALL_APPLICATIONS: 95, TOOLS_POST_CALL_TIME[ms]: 307, TOOLS_POST_RETURN_APPLICATIONS: 88, TOOLS_POST_RETURN_TIME[ms]: 237, TOOLS_QUANTIFIERELIM_APPLICATIONS: 407, TOOLS_QUANTIFIERELIM_TIME[ms]: 13055, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12529, FLUID_QUERY_TIME[ms]: 21, FLUID_QUERIES: 383, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 64, DOMAIN_JOIN_TIME[ms]: 9983, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 1241, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 35, DOMAIN_ISBOTTOM_APPLICATIONS: 66, DOMAIN_ISBOTTOM_TIME[ms]: 220, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8717, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8714, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 88, CALL_SUMMARIZER_CACHE_MISSES: 30, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12816, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12815, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 693, DAG_COMPRESSION_RETAINED_NODES: 240 - UnprovableResult [Line: 578]: 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 890#(and (<= |#t~string74.offset| 0) (= |#t~string50.offset| 0) (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (= |#t~string72.offset| 0) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (<= |#t~string34.offset| 0) (= 0 ~waterLevel~0) (<= 0 |#t~string46.offset|) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string25.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string48.offset|) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#t~string33.offset| 0) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (<= |#t~string25.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string74.offset|) (= |#t~string30.offset| 0) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= |#NULL.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (<= |#t~string44.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string24.offset| 0) (<= 0 |#t~string56.offset|) (= |#t~string44.offset| 0) (= |#t~string74.offset| 0) (<= |#t~string21.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= 0 |#t~string72.offset|) (<= 0 |#t~string29.offset|) (<= 0 ~systemActive~0) (<= |#t~string50.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string48.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= 0 |#t~string34.offset|) (<= |#t~string72.offset| 0) (<= 0 |#t~string25.offset|) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...