/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_spec3_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:48:04,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:48:04,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:48:04,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:48:04,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:48:04,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:48:04,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:48:04,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:48:04,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:48:04,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:48:04,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:48:04,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:48:04,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:48:04,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:48:04,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:48:04,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:48:04,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:48:04,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:48:04,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:48:04,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:48:04,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:48:04,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:48:04,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:48:04,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:48:04,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:48:04,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:48:04,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:48:04,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:48:04,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:48:04,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:48:04,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:48:04,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:48:04,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:48:04,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:48:04,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:48:04,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:48:04,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:48:04,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:48:04,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:48:04,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:48:04,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:48:04,526 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 [2019-11-07 10:48:04,558 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:48:04,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:48:04,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:48:04,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:48:04,562 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:48:04,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:48:04,562 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:48:04,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:48:04,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:48:04,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:48:04,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:48:04,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:48:04,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:48:04,567 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:48:04,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:48:04,568 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:48:04,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:48:04,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:48:04,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:48:04,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:48:04,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:48:04,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:48:04,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:48:04,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:48:04,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:48:04,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:48:04,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:48:04,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:48:04,571 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 10:48:04,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:48:04,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:48:04,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:48:04,861 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:48:04,862 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:48:04,863 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product50.cil.c [2019-11-07 10:48:04,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6eae71a7/9a11ad0d348a459a96c645366afa0b99/FLAGa7629a3a5 [2019-11-07 10:48:05,528 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:48:05,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product50.cil.c [2019-11-07 10:48:05,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6eae71a7/9a11ad0d348a459a96c645366afa0b99/FLAGa7629a3a5 [2019-11-07 10:48:05,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6eae71a7/9a11ad0d348a459a96c645366afa0b99 [2019-11-07 10:48:05,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:48:05,784 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:48:05,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:48:05,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:48:05,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:48:05,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:48:05" (1/1) ... [2019-11-07 10:48:05,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27cf8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:05, skipping insertion in model container [2019-11-07 10:48:05,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:48:05" (1/1) ... [2019-11-07 10:48:05,799 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:48:05,854 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:48:06,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:48:06,289 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:48:06,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:48:06,430 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:48:06,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:06 WrapperNode [2019-11-07 10:48:06,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:48:06,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:48:06,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:48:06,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:48:06,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:06" (1/1) ... [2019-11-07 10:48:06,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:06" (1/1) ... [2019-11-07 10:48:06,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:06" (1/1) ... [2019-11-07 10:48:06,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:06" (1/1) ... [2019-11-07 10:48:06,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:06" (1/1) ... [2019-11-07 10:48:06,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:06" (1/1) ... [2019-11-07 10:48:06,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:06" (1/1) ... [2019-11-07 10:48:06,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:48:06,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:48:06,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:48:06,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:48:06,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:06" (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 10:48:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:48:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:48:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:48:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:48:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:48:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:48:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:48:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:48:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:48:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-11-07 10:48:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:48:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:48:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:48:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:48:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:48:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:48:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 10:48:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 10:48:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:48:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:48:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:48:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:48:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:48:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:48:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:48:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:48:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:48:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:48:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:48:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:48:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 10:48:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:48:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:48:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:48:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:48:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:48:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:48:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:48:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 10:48:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 10:48:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 10:48:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:48:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:48:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:48:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:48:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:48:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:48:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:48:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:48:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:48:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:48:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:48:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:48:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:48:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:48:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:48:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:48:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:48:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:48:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:48:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:48:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:48:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:48:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:48:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:48:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-11-07 10:48:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:48:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:48:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:48:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:48:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 10:48:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 10:48:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:48:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:48:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:48:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:48:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:48:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:48:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:48:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:48:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:48:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:48:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:48:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:48:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 10:48:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:48:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:48:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:48:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 10:48:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 10:48:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:48:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 10:48:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:48:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:48:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:48:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:48:08,418 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:48:08,419 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:48:08,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:48:08 BoogieIcfgContainer [2019-11-07 10:48:08,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:48:08,424 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:48:08,424 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:48:08,424 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:48:08,425 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:48:08" (1/1) ... [2019-11-07 10:48:08,426 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 10:48:08,457 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:48:08,458 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:48:08,468 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:48:08,478 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:48:08,480 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:48:19,587 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-11-07 10:48:21,725 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:48:21,897 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-11-07 10:48:21,939 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-11-07 10:48:21,996 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-11-07 10:48:22,004 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-11-07 10:48:22,552 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-11-07 10:48:22,816 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-07 10:48:23,274 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 178 [2019-11-07 10:48:23,578 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-07 10:48:23,872 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-07 10:48:24,001 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 171 [2019-11-07 10:48:24,132 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-11-07 10:48:24,714 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2019-11-07 10:48:25,702 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 604 [2019-11-07 10:48:25,957 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 604 [2019-11-07 10:48:26,057 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:48:26,059 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 143 for LOIs [2019-11-07 10:48:26,343 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 130 for LOIs [2019-11-07 10:48:26,355 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 136 for LOIs [2019-11-07 10:48:26,356 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:48:26,372 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:48:26,373 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:48:26,375 INFO L168 Benchmark]: Toolchain (without parser) took 20591.15 ms. Allocated memory was 137.9 MB in the beginning and 491.8 MB in the end (delta: 353.9 MB). Free memory was 101.4 MB in the beginning and 221.8 MB in the end (delta: -120.5 MB). Peak memory consumption was 233.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:48:26,376 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 10:48:26,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.46 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.1 MB in the beginning and 168.8 MB in the end (delta: -67.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:48:26,383 INFO L168 Benchmark]: Boogie Preprocessor took 82.95 ms. Allocated memory is still 201.9 MB. Free memory was 168.8 MB in the beginning and 163.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:48:26,386 INFO L168 Benchmark]: RCFGBuilder took 1908.53 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 163.8 MB in the beginning and 142.5 MB in the end (delta: 21.3 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:48:26,387 INFO L168 Benchmark]: Sifa took 17949.35 ms. Allocated memory was 233.8 MB in the beginning and 491.8 MB in the end (delta: 257.9 MB). Free memory was 142.5 MB in the beginning and 221.8 MB in the end (delta: -79.4 MB). Peak memory consumption was 178.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:48:26,398 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 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.46 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.1 MB in the beginning and 168.8 MB in the end (delta: -67.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.95 ms. Allocated memory is still 201.9 MB. Free memory was 168.8 MB in the beginning and 163.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1908.53 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 163.8 MB in the beginning and 142.5 MB in the end (delta: 21.3 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. * Sifa took 17949.35 ms. Allocated memory was 233.8 MB in the beginning and 491.8 MB in the end (delta: 257.9 MB). Free memory was 142.5 MB in the beginning and 221.8 MB in the end (delta: -79.4 MB). Peak memory consumption was 178.6 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]: 17899, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 35, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 122, TOOLS_POST_TIME[ms]: 13413, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 178, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 80, TOOLS_QUANTIFIERELIM_APPLICATIONS: 228, TOOLS_QUANTIFIERELIM_TIME[ms]: 13579, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13346, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 221, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 33, DOMAIN_JOIN_TIME[ms]: 3604, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 319, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 35, DOMAIN_ISBOTTOM_TIME[ms]: 113, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2120, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2120, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13589, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13588, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 12, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 630, DAG_COMPRESSION_RETAINED_NODES: 191 - UnprovableResult [Line: 694]: 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 446#(and (<= |#t~string58.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (= |#t~string72.offset| 0) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (= |#t~string39.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string32.offset| 0) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (<= |#t~string39.offset| 0) (<= 0 ~head~0.base) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (<= |#t~string64.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string43.offset|) (= |#t~string20.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string41.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= 0 |#t~string47.offset|) (<= |#NULL.base| 0) (= 2 ~waterLevel~0) (= |#t~string18.offset| 0) (<= 1 ~systemActive~0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (= |#NULL.offset| 0) (= ~pumpRunning~0 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (= |#t~string47.offset| 0) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (= |#t~string30.offset| 0) (<= |#t~string70.offset| 0) (= |#t~string43.offset| 0) (<= 0 |#t~string21.offset|) (= 0 ~methaneLevelCritical~0) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= 0 |#t~string41.offset|) (<= |#t~string47.offset| 0) (<= |#t~string27.offset| 0) (<= |#t~string21.offset| 0) (<= 0 |#t~string23.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= 0 |#t~string72.offset|) (= |#t~string19.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= |#t~string43.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string41.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string72.offset| 0) (= |#t~string45.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...